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United Airlines Carry-On Policy: Rules and Restrictions

Carry-on dimensions, personal item dimensions, other items you can carry on with you, carry-on weight limit, carry-on guidelines for basic economy, the tsa 3-1-1: (rules for carry-on liquids), carry-on food restrictions, prohibited and restricted items, united airlines carry-on policy.

If you’re planning a trip to the beautiful islands of Hawaii, there’s a good chance you’ll have a combination of checked bags and carry-on items to deal with on your flight.

If you are going to be flying United, you’ll need to be up to speed with United Airlines’ checked baggage and carry-on policies.  Each airline’s rules are different, so don’t assume that what works for one will work for all airlines.

This article will cover the United Airlines Carry-On size and weight limits, as well as what you can bring on in terms of food, liquids, etc.

Rules for Carry-On Baggage

United Airlines allows each passenger one personal item and one carry-on bag at no charge.

United Airlines’ size requirements for a carry-on are 22″ x 14″ x 9″.

If you aren’t sure what size your carry-on is, United Airlines has “size check templates” located at their ticketing counters and (occasionally) at the departure gates.

United Airlines requires your personal item to be no larger than 17 x 10 x 9 inches and the item must fit under the seat in front of you.

In addition to your one carry-on bag and personal item, you can bring the following items on board when flying United Airlines:

• An umbrella
• Reading material
• Food or merchandise that you buy in the airport
• Assistive devices (such as a collapsible wheelchair, cane, crutches, medical device for prescription medications, or portable oxygen concentrator)
• FAA-approved child restraint system or safety seat
• A diaper bag
• A breast pump
• A pet carrier (service charges apply for in-cabin pets).

United Airlines does not have a weight limit for your carry-on items.

Carry-on bags are not included with a basic economy fare when flying to Hawaii. You can prepay to check a bag or check a carry-on at your gate for the regular bag fee plus an additional $25.. 

Carry-On Liquid Allowance

The rules for carry-on liquids are set by the TSA (Transportation Security Administration), not by the airline.  United Airlines doesn’t have its own specific Liquid Policy, they just enforce the rules and policies of the TSA.

Liquids in a carry-on bag must be 3.4 ounces or smaller and fit in a 1 quart-sized container. Anything larger must be placed in your checked luggage.

Each passenger may carry liquids, gels, and aerosols in travel-size containers that are 3.4 ounces or 100 milliliters. Each passenger is limited to one quart-size bag of liquids, gels, and aerosols. Common travel items that must comply with the 3-1-1 liquids rule include toothpaste, shampoo, conditioner, perfume, mouthwash, deodorant, and lotion.

Exceptions to this rule are  certain medications  and  baby food/child nourishment .

United Airlines follows the rules stated by the TSA regarding what type of food you can and cannot bring on the plane .

These rules apply to food you are bringing from home and taking with you through security.   After you are through security, you can bring just about any food on the plane that you buy at the airport.

There are certain items that are considered dangerous and classified as hazardous goods. These items are prohibited from your carry-on and checked bag on all flights.

Hazardous materials include, but are not limited to Explosives, Gases, Flammable Liquids and Solids, Oxidizers, Toxic and Infectious Materials, Radioactive Materials, Corrosives, and many other items that can endanger the traveling public when not handled correctly.

The rules for restricted items are not specific to United Airlines.  The Federal Aviation Administration mandates them.

Here’s a video from the FAA to help illustrate this:

The Transportation Security Administration also has rules on “prohibited items” that pose a security threat. Though they sometimes overlap, the TSA security rules are separate from the FAA dangerous goods safety rules; go to the TSA Prohibited Items web page.

A complete list can be found on the  FAA  and TSA websites. 

Please note, this is just a listing of common dangerous goods; if you don’t see your item here it doesn’t mean it’s allowed in baggage. When in doubt, leave it out!

Here is a link to  United Airlines Carry-On page  to make sure you have the most up-to-date information regarding what you can and cannot bring on the plane.

Here's the 411 on the TSA's 3-1-1 liquids rule

We've all been there. Waiting in the Transportation Security Administration line only to hear agents call for a "bag check," often because a traveler had a liquid product in their carry-on that's over the allowed limit (or some sort of other prohibited item).

It's a process that can sure slow things down, particularly on the busiest travel days. As you pack for your trip and consider what to put in your carry-on or checked luggage, it's important to consider what the TSA's limits are for liquids and similar products.

Since September 2006, the TSA has gone by the 3-1-1 rule when it comes to those types of products, including items like toothpaste, shampoo, conditioner, mouthwash and lotion -- sunscreen included.

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In short, the 3-1-1 rule is: Each liquid you bring through the TSA checkpoint must be in a 3.4-ounce or smaller container ("3"), all containers must be placed inside one clear quart-size plastic bag ("1") and each passenger is only allowed one plastic bag ("1").

If you meet those requirements, you should get through security without issue. However, if your liquid items are larger than 3.4 ounces each, you'll have to leave them in your checked bag.

There are a few exceptions, though.

The TSA has kept in place a temporary pandemic exception to the rule, allowing up to 12 ounces of liquid hand sanitizer in carry-on baggage.

Part of this exception: The hand sanitizer will have to be screened separately since it's technically over the limit. You'll need to remove it from your bag before it goes through the scanner.

There are also exceptions for larger amounts of medically necessary liquids, gels and aerosols. You can bring those products in larger, "reasonable" quantities, the TSA's website says. However, you must declare those items to security officers at the checkpoint for inspection.

This could, obviously, take a little more time than if you're traveling without those items.

This exception doesn't include sunscreen, despite calls to relax sunscreen restrictions at TSA checkpoints. Like other liquid products, sunscreen bottles over 3.4 ounces must go in your checked luggage.

There are also many liquids you cannot bring with you .

You can bring creamy cheeses, liquid chocolate, liquid coffee, creamy dips and spreads, gravy, honey, hummus, ice cream, jam, jelly, juice, syrup, peanut butter, salad dressing, sauce, salsa, soda, soup and yogurt as long as they are in a container of less than 3.4 ounces according to the TSA .

Related: Should you get TSA PreCheck or Clear — or both?

And yes, you can bring your water bottle with you, even if it weighs more than 3.4 ounces — as long as it's empty. This can also be a great way to save money at the airport, since -- as the TSA points out -- many airports have filling stations for reusable water bottles.

When in doubt, consult the TSA's list of what you can carry through the airport and check with your airline.

Additional reporting by Clint Henderson and Sean Cudahy.

TSA Liquid Limits: What You Can Carry and How Much You Can Bring

The tsa allows liquids under 3.4 ounces in your carry-on—but what’s considered a “liquid” isn’t always obvious..

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Don’t forget to remove your liquids when going through TSA screening.

Photo by Jaromir Chalabala/Shutterstock

Whether you’re a carry-on-only kind of person or not , knowing the Transportation Security Administration’s (TSA) liquid limits is essential for anyone who travels by plane in the United States. Yet understanding which of your toiletries, foods, and other items even count as “liquid”—let alone how best to pack them—can get confusing. Use this guide to understand the TSA’s rules and restrictions about liquids, common exceptions, and tips to help ensure your next airport security screening goes smoothly.

What is the TSA liquid limit?

The TSA’s liquid limit for carry-ons—known as the 3-1-1 rule—allows travelers to pack liquids, aerosols, gels, creams, and pastes under 3.4 ounces (100 milliliters) in their carry-on bags. Passengers are allowed up to one quart-sized bag per person , or roughly nine 3.4-ounce containers in a single quart-sized bag. Anything more will have to go in a checked bag or risk being tossed out.

If your liquids are stored in containers larger than 3.4 ounces, even if there’s only 3.4 ounces left inside the bottle, you can’t bring them through security.

Completely empty bottles, such as your reusable water bottle , are allowed through the TSA checkpoint since (spoiler alert!) they don’t contain any liquids at that moment.

Which toiletries TSA allows in your carry-on

The TSA allows all of the following common toiletries in your carry-on only in containers that are 3.4 ounces or less:

• Shampoos and conditioners
• Lotions and sunscreen
• Gel hair products

In other words: yes, you can bring toothpaste, deodorant, and sunscreen through TSA checkpoints but only if they are in travel-sized containers.

Powders and powder-like substances, including baby powder and some makeup items, aren’t restricted in your carry-on bag. But if you’re carrying more than 12 ounces (350 milliliters) of a powder, you’ll need to place it in a separate bin for X-ray screening, and it may be subject to additional screening—so it’s a good idea to budget an extra few minutes at the security checkpoint if you think this might happen.

Tips for packing your toiletries in your carry-on

To comply with TSA regulations, invest in small, reusable toiletry bottles, like these capsules by Cadence.

Courtesy of Cadence

Especially if you don’t have TSA PreCheck , it’s helpful to pack all of your toiletries in a quart-sized (or smaller) clear plastic toiletry bag for screening. Although improved airport technology means that far fewer air passengers (both in PreCheck and non-PreCheck lines) will have to take their liquids out out of their carry-on, it’s still helpful to have all of your liquids in one bag just in case you get pulled aside for additional screening. For an upgrade from that large Ziplock, we recommend the standard-sized Clarity Jetset Case from Truffle ($88), which has a clear window panel and is comparable in size to a quart-sized bag.

Since toothpaste is considered a liquid, paste, or gel by the TSA, most of us toss those tiny one-ounce tubes in our carry-on bags. However, if you want to ditch the hard-to-recycle packaging, consider toothpaste tablets, an ecofriendly alternative that’s not subject to the 3-1-1 rule. We like Humankind’s fluoride toothpaste tablets ($12), which resemble small mints and turn to paste when you crush them between your teeth. Matador has also recently released a reusable toothpaste tube ($10), which you can fill (and refill) with your regular toothpaste.

For travel toiletries that are easy to rebottle (like shampoo or body wash), consider investing in reusable bottles or containers so you can always keep your preferred brand on hand. Some of our favorite TSA-approved toiletry bottles include:

Buy Now: GoToob three-pack of 3.4-ounce bottles, $30, rei.com

These easy-to-fill, leakproof silicone tubes are ideal for shampoos, conditioners, lotions, and body washes. GoToob’s line comes in a variety of sizes, ranging from 1.7 to 6 ounces, and are easy to clean between refills.

Matador FlatPack

Buy Now: $13 for one or $35 for three, matadorup.com

Each three-ounce, TSA-approved bottle is made from a durable, waterproof, nylon-based fabric. Like GoToob, they’re leakproof and easy to fill, but thanks to their flexible, fabric-like design, they will shrink to their contents, taking up less space in your pack. >> Read the full review of the Matador FlatPack

Buy Now: $14 for one or $74 for six, keepyourcadence.com

The refillable travel containers by Cadence are small, leakproof “capsules” that click together with magnets. At 0.56 ounces, they’re best for makeup and toiletries you don’t need much of—like a weekend’s worth of shampoo or a week of that under eye cream you only need a dab of.

Foods are subject to liquid limits

The TSA’s 3-1-1 rule applies to food too, meaning you’ll need to make sure any foods that count as liquids, gels, or pastes (like yogurt, peanut butter, pâté, jams, or that tasty pimento cheese spread you tried to bring home from Charleston) are less than 3.4 ounces or packed in your checked bag. There are some exceptions, like frozen foods and juice for babies, and the TSA’s website is the best resource to check for specific items.

Exceptions to TSA’s liquids rule: Full-sized liquids that you can bring through security

The TSA has several important exemptions to its liquids rule. You’re allowed to bring full-sized bottles of the following:

Hand sanitizer: Due to the coronavirus pandemic, the TSA currently allows travelers to bring up to 12 ounces of hand sanitizer in their carry-on bags. These will be screened separately.

Medication: You’re allowed to bring medically necessary liquids, aerosols, and gels through security. This also includes the ice or gel packs you may need to keep your medications cool. You are not required to store these items in a plastic, resealable bag, but you should remove them from your luggage and let the TSA officer know what you’ve packed.

Baby formula and breast milk: Like medication, you can bring freezer packs to keep these items cool, and you should remove them from your luggage and notify an agent when you go through security. More baby-related exceptions? Gel or liquid-filled teethers and canned or jarred baby food.

Of course, the final decision on whether an item is allowed through the checkpoint rests with the TSA officer.

If you’re ever unsure about a specific item, the TSA’s website has a handy, searchable list of prohibited and allowed items worth checking before you travel. You can also now text the TSA with your questions.

This article was originally published in 2022. It has been most recently updated on March 21, 2023, with additional information.

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Everything You Need to Know About TSA Liquid Rules

Get the details on flying with beauty products, medication, and other essential items.

Dealing with airport security can be a daunting aspect of air travel. There's a lot to contend with, from the long lines at checkpoints to keeping track of all the guidelines set by the Transportation Security Administration (TSA).

Travelers are frequently tripped up by the TSA liquid rules — specifically, the 3-1-1 policy regarding liquids in carry-on bags. From the detailed requirements for traveling with liquids to helpful packing tips, we explain everything you need to know before going through security.

What is TSA's 3-1-1 rule?

In 2006, British security officials thwarted a plot to bomb an aircraft with liquid explosives carried on board. Since then, security agencies around the world have limited the amount of liquid passengers can bring through airport security.

In the United States, TSA stipulates that all liquids, gels, and aerosols must be in 3.4-ounce (100-milliliter) containers or smaller. All liquids must fit into a single, clear quart-size bag, and passengers can only pack one of these bags in their carry-on.

The 3-1-1 designation is a simple way to remember these numbers: individual liquid containers must be 3.4 ounces or smaller, they must fit into one clear, quart-size bag, and there is only one bag allowed per passenger.

Permitted liquids that do not comply with the 3-1-1 rule must be packed in checked bags or thrown out at airport security. Some liquids, such as gasoline or other flammable liquids, are prohibited entirely, both in checked and carry-on bags.

Are there any exceptions to the 3-1-1 rule?

TSA does exempt some items from the 3-1-1 rule: medically necessary liquids, breast milk, infant formula, toddler drinks, and pureed baby food typically packaged in pouches. You can bring more than 3.4 ounces of these liquids on board, but you may have to undergo additional security screening.

"Inform the TSA officer at the beginning of the screening process that you're carrying them," TSA spokesperson Jessica Mayle tells Travel + Leisure . "These liquids are typically screened by X-ray, but TSA officers may also test them separately for explosives or concealed prohibited items. Officers may ask you to open the container and/or have you transfer a small quantity of the liquid to a separate empty container, or dispose of a small quantity, if feasible."

If you don't want your exempt liquids to be screened by X-ray, inform your TSA officer, and they will use alternative security measures to clear the items.

Another exception is liquids purchased after security in an airport. In domestic U.S. airports, you can bring nonalcoholic drinks and other liquid items purchased in terminal shops or eateries onto your flight. (This is not always the case if you are passing through security again in international airports for a connecting flight.) Duty-free liquids, however, will be sealed in a tamper-safe bag before boarding. Sometimes they're permitted in the cabin, and other times they may be stowed elsewhere on the plane.

You can also pass through security with liquids that have been frozen solid . By taking this extra step, you can easily tote your favorite drink past security — even if it's well over three ounces.

Rules about partially frozen items do not apply to some childcare items, such as ice or gel packs used to transport breast milk, formula, or baby food, or gel- or ice-filled baby teething toys. If these items are not completely frozen, they will be screened using the same procedures as medically necessary items. While hand sanitizer must conform to the 3-1-1 rule, wet wipes are allowed.

Packing Tips for Liquids in Carry-on Bags

• While many products are sold in 3.4-ounce sizes suitable for travel, not all of them are. Consider decanting your liquids into leakproof travel-size containers.
• "Another way to save space in your quart-sized bag is to pack solid versions of products, which you can put in your luggage or carry-on bag without needing to place it in the quart-size bag," travel advisor Ateet Ahuja of Complete Getaways tells T + L. "For example, you can bring a stick or solid version of some perfumes and shampoo bars instead of liquid shampoo." This solid Korean sunscreen stick is affordable and easy to pack.
• Buy your liquids, like body lotion or mouthwash, at your final destination. "While you'll spend a little extra, the cost far outweighs the potential of it spilling or leaking in your bag," says Ahuja.
• On that note, prepare for spills — Ahuja advises wrapping a small hand towel around your quart-size bag.
• Pack your liquids bag in an easy-to-access place, like an external compartment or the top of your carry-on bag. According to Ahuja, "This will save you time in the TSA line."
• Check the allowance for specific items using TSA's What Can I Bring? list . Here you'll find answers regarding everything from gel-style candles — not allowed — to dry ice, which requires airline approval rather than TSA approval.

If you're unsure about whether an item not listed adheres to the 3-1-1 rule, you can contact TSA before your trip. "Ask your questions via Facebook Messenger , weekdays from 8 a.m. to 6 p.m. ET," says Mayle. "You can also call the TSA Contact Center at 866-289-9673."

Related Articles

The TSA Liquids Rule for Carry-on Bags (3.4 ounces)

By the time the TSA finds that expensive bottle of perfume or lotion in your bag, it’s too late and you’ll have to say goodbye and hand it over to get through security and board your plane on time.  It’s happened to my family many times and could easily have been avoided with a quick check before leaving.

What’s the TSA Liquids Rule?

Items that are in packages or bottles larger than 100 milliliters (or 3.4 ounces) will have to go in your checked luggage .  In addition to larger liquids, any liquid that is more than 3.4 oz or 100 ml and is not contained in a secure, tamper-proof bag must be packed in your checked luggage.

TSA 3-1-1 Rule

Exceptions to the TSA Liquids rule

Medications larger than 100ml.

Here’s a video that provides all the details you need about traveling with medication.

Formula, Breast Milk, and Juice

Tsa liquids rule for precheck.

The TSA PreCheck Program allows registered travelers the ability to go through expedited screening lines at over 200 participating U.S. airports with over 80 participating airlines. Once you are approved in the program you don’t need to remove your 3-1-1 liquids from your bag.

What does TSA consider a liquid?

According to TSA guidelines, any substance that is free-flowing or viscous is considered a liquid. This includes liquids, aerosols, pastes, creams, and gels.

Does TSA consider Makeup a liquid?

How much is 3.4 oz.

So if you’re wondering exactly how much is 3.4 oz or how big is a 100 ml bottle, we will walk through that for you here.

Converting 3.4 oz to ml – how many ml is 3.4 ounces?

What does 3.4 oz (100 ml) look like.

Converting 100 ml to oz – how many oz are in 100 ml?

100 ml to cups.

100 milliliters (ml) converts to .422675 cups, so it’s just under 1/2 cup.

100ml bottle size – how big is a 100ml bottle?

Wrapping Up: TSA Liquids Policy

More carry-on content:.

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TSA Liquids Rule Explained: What Size Liquid Can You Bring on a Plane?

What you can and can’t bring on a plane, including the amount allowed, can be very confusing for even the most experienced of flyers, especially when it comes to liquids.

According to TSA regulations, you are allowed to bring liquids in containers that don’t exceed 3.4oz/100ml in your carry on.

There are also limits when liquids are packed in your checked bags, which many people are not aware of, though the limits are much greater.

Table of Contents

• 1.1 Carry on Bags
• 1.2 Checked Bags
• 2 No Differences For International Flights
• 3 Airlines Follow TSA Regulations
• 4 How to Pack Liquids for Flying
• 5 You Will Be Able to Bring 7-8 Bottles in Your Carry On
• 6.1 Carry On Bags
• 6.2 Checked Bags
• 7 A Loophole to Bring More Than 3.4 Oz/100ml On a Plane
• 8 Exceptions to the 3-1-1 Rule
• 9 Liquids That Are Forbidden
• 10 Surprising Items That Qualify As Liquids
• 11 What the 3-1-1 Rule Stands For
• 12 Why the 3-1-1 Rule Exists

What Size Liquid Can You Take on a Plane?

Carry on bags.

The TSA has a rule in place called the 3-1-1 Rule .

The 3-1-1 Rule states that “each passenger may carry liquids, gels and aerosols in travel-size containers that are 3.4 ounces or 100 milliliters .”

These containers must also fit in a 1-quart sized, resealable bag.

You are required to take this bag out of your carry on and place it in a screening bin as you go through airport security.

Note that it is the size of the container itself and not how much liquid is in the container that matters.

So, if you have a bottle that contains just 1ml of liquid inside a 4oz container, it still won’t be allowed through.

Checked Bags

Not many passengers are aware that there are restrictions on the quantity of liquids you can pack in their checked bags.

According to the TSA:

• A container must not exceed 0.5 kg (18 ounces) or 500 ml (17 fluid ounces).
• The total aggregate quantity of your toiletry products must also not exceed 2 kg (70 ounces) or 2 L (68 fluid ounces).

No Differences For International Flights

Even though it may not be called the 3-1-1 rule worldwide, the rules remain the same if you’re flying internationally.

So regardless if you’re flying from or within Mexico, Canada, the UK, Europe or any other country, you are only allowed to pack liquids (as well as gels and aerosols) in containers that are no larger than 3.4oz/100ml in your carry on.

Airlines Follow TSA Regulations

All airlines follow TSA regulations .

So this means that regardless if you’re flying with Delta, Southwest, American Airlines, JetBlue, or any other regional or major air carrier worldwide, you are only allowed to bring liquids in containers that do not exceed 3.4oz/100ml in your carry on.

How to Pack Liquids for Flying

There are a few guidelines you should follow to make your next flight go as smoothly as possible.

• Make sure that no container you want to bring is no larger than 3.4oz/100ml.
• Buy travel-friendly products of your favorite products.
• If the company doesn’t sell travel-friendly sizes, buy your own 3.4oz/100ml containers and transfer the liquids into them.
• Consider packing non-liquid alternatives instead (you can bring a bar of soap on a plane on a plane , for example, with no restrictions. The same applies to sunscreen sticks ).
• Share toiletry space with your travel partner, as the 3-1-1 Rule applies to each passenger.
• Store your items in a clear bag that is no larger than 1 quart.
• Use your checked luggage for liquids in larger containers.

You Will Be Able to Bring 7-8 Bottles in Your Carry On

In total, you can take 32 ounces (or 1 quart) of liquids on a plane.

But as the containers themselves will take up space in the single quart-sized bag, you won’t be able to take a full 32 ounces of liquids in your carry on.

You will be able to bring about 25 ounces in total, in 7 or 8 travel-sized 3.4oz/100ml containers onto a plane in your carry on.

How Many Ounces in Total Can You Take On a Plane?

Carry on bags.

As just mentioned, you can bring 32 ounces (or 1 quart of liquids on a plane), though it will more likely be 25 ounces in 7-8 bottles.

If liquids are packed in your checked bags, each container must not exceed 18 ounces or 17 fluid ounces).

The total aggregate quantity of your toiletry products must also not exceed 70 ounces or 68 fluid ounces.

A Loophole to Bring More Than 3.4 Oz/100ml On a Plane

There is a loophole that lets you bring more than 3.4oz/100ml of liquids on a plane, though it only works with very few items and under certain circumstances.

If you are traveling with a young child or baby, you can say that the item is for them.

Of course, this will only work for bringing a water bottle on a plane and not items like alcohol, coffee or tea . 

Exceptions to the 3-1-1 Rule

There are several exceptions to the 3-1-1 Rule.

The following items, if packed in your carry on bags, are allowed to exceed 3.4 oz/100ml:

• Breast milk and formula
• Liquid medication
• Hand sanitizer
• Jumbo disinfecting wipes
• STEB items (secure, tamper-evident bags purchased at the airport)
• Cough syrup
• Gel-filled bras
• Saline solution
• Ice packs (must be frozen solid)

Liquids That Are Forbidden

There are several liquids that, even if under 3.4 oz/100ml, you are not allowed to bring on a plane in either your carry on or checked bags.

These items include:

• Most flammable liquids ( you can bring nail polish on a plane , though)
• Most toxic liquids
• Aerosols that do not qualify as toiletries
• Alcoholic Beverages over 70% ABV (140 proof)
• Insecticide
• Spray Paint
• Spray Starch
• Cooking Spray

Surprising Items That Qualify As Liquids

There are also items that you wouldn’t expect to count as liquids, but actually do.

• Peanut butter
• Hair mousse
• Snow globes

What the 3-1-1 Rule Stands For

The 3-1-1 Rule stands for 3 ounces, 1 passenger, 1 quart-sized bag.

While the limit is actually 3.4 ounces instead of 3 ounces, we guess that 3.4-1-1 Rule didn’t have the same ring to it.

Why the 3-1-1 Rule Exists

The 3-1-1 Rule exists because terrorists have previously tried to sneak liquid explosives on a plane on more than one occasion.

While the rule is frustrating, it exists for the safety of passengers.

Ella Dunham

Ella Dunham, a Freelance Travel Journalist and Marketing Manager, boasts an impressive career spanning eight years in the travel and tourism sectors.

Honored as one of "30 Under 30" by TTG Media (the world’s very first weekly travel trade newspaper), a "Tour Operator Travel Guru" and "Legend Award" winner, Ella is also a Fellow of the Institute of Travel, a Member of the Association of Women Travel Executives, has completed over 250 travel modules, and hosts travel-focused segments on national radio shows where she provides insights on travel regulations and destinations.

Ella has visited over 40 countries (with 10 more planned this year).

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Airline and TSA Carry-On Restrictions

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Table of Contents

Airline-specific carry-on luggage rules

Tsa liquid limits, how many ounces are allowed on a plane, additional tsa carry-on rules, final thoughts on tsa rules for carry-ons.

Whether you’re purposefully packing light or supplementing your checked luggage, it’s important to keep Transportation Security Administration (TSA) carry-on luggage size in mind when packing a bag and heading to the airport.

After all, not all airlines allow full-size carry-ons for free, and most have slightly different rules on carry-on bag size. Don’t get caught unaware at the gate; hefty baggage fees and inconvenience may await.

» Learn more: Want TSA Precheck for free?

Here’s what you need to know about airline and TSA carry-on size allowances.

Airline carry-on dimensions differ depending on the carrier. When purchasing your flight, you’ll be able to see your carry-on and personal item limits.

A personal item is typically a small backpack, purse, briefcase, diaper bag, camera bag or any item of a similar size that can fit underneath the seat in front of you. A carry-on bag could be anything from a large backpack to a small rolling suitcase. But it’s less shape than size that matters, so here are carry-on luggage size restrictions for each of the major domestic airlines:

Alaska Airlines

On an Alaska Airlines flight, you can bring a carry-on and a personal item for free.

Carry-on bags are limited to 22 inches long, 14 inches wide and 9 inches high including wheels and handles. All three measurements shouldn’t add up to more than 45 inches.

For personal items, Alaska offers examples of a purse, laptop or briefcase.

Alaska doesn't list weight limits, but it says that passengers should be able to lift items that go in an overhead bin.

» Learn more: Guide to Alaska Airlines baggage and other fees

American Airlines

For an American Airlines flight, passengers get one personal item and one carry-on, no matter what type of fare is bought (elite members included).

Carry-on bags shouldn’t be larger than 22 inches long, 14 inches wide and 9 inches high including handles and wheels.

Dimensions of personal items should not exceed 18 inches long, 14 inches wide and 8 inches high.

There are no weight restrictions for carry-on luggage.

» Learn more: American Airlines bag fees: How they work, how to avoid them

Delta Air Lines

Delta flyers are allowed one carry-on bag and one personal item.

Including wheels and handles, measurements may not exceed 22 inches long, 14 inches width and 9 inches high. The total length plus width plus height of baggage must not exceed 45 linear inches.

For personal items, Delta says size examples are purses, small backpacks and laptops.

Three places have weight limits: Singapore (7 kg, about 15.4 pounds), Beijing (10 kg, about 22 pounds) and Shanghai (10 kg, about 22 pounds).

» Learn more: Delta Air Lines baggage fees: How they work, how to avoid them

Frontier charges for both checked luggage and carry-on bags, and the price depends on the route you fly and your ticket type.

Business tickets include a carry-on bag and two checked bags with an increased 50-pound weight allowance. Premium tickets and economy tickets also include a carry-on bag, but checked bags can be purchased a la carte. Basic tickets only include a free personal item.

Prices vary depending on if you buy the bags before via the web or mobile app, at the ticket desk, or the boarding gate.

Carry-on bags must weigh less than 35 pounds and must not exceed 10 inches deep, 16 inches wide and 24 inches high. Bags must fit in the overhead bins.

Checked bags must be no longer than 62 linear inches (length + width + depth) and must weigh under 40 pounds. Bags weighing more than 40 pounds will incur additional charges per bag per direction. Bags weighing 41-50 pounds will cost you $50 more (except business tickets) and bags weighing 51-100 pounds will cost $100 more.

Personal items cannot exceed 8 inches deep, 18 inches wide and 14 inches high.

» Learn more: Frontier baggage fees: How they work

Not all JetBlue passengers are allowed the same carry-on items. Passengers who bought Basic Blue fares get one personal item (except Mosaic customers who always get a carry-on). Blue, Extra Blue, Blue Plus and Mint fares allow one carry-on and one personal item, and even Blue Basic fares will include a carry-on for flights from Sept. 6, 2024, on. Carry-on and personal item size restrictions are as follows:

Including wheels and handles, length, width and height measurements may not exceed 22 inches long, 14 inches wide and 9 inches high.

Personal items can be no more than 17 inches long, 13 inches wide and 9 inches high or smaller to fit under the seat in front of you.

There are no weight limits for carry-on luggage on JetBlue.

» Learn more: Guide to JetBlue baggage, cancellation and other fees

Southwest Airlines

Southwest is known for having a generous free checked luggage allowance, but carry-on restrictions are similar to most other airlines — one personal item and one carry-on per traveler.

Carry-on measurements should not exceed 24 inches long, 16 inches wide and 10 inches high.

Personal items are limited to 18.5 inches long, 8.5 inches wide and 13.5 inches high.

Southwest doesn't list weight limits for carry-on items.

» Learn more: The guide to Southwest baggage and other fees

United Airlines

Most travelers flying with United can bring one carry-on and one personal item, but if you’re traveling on a basic economy fare, you’re allowed one personal item only (unless you’re a MileagePlus Premier Member, are traveling internationally or have a MileagePlus credit card, like the United℠ Business Card ).

Including handles and wheels, the maximum dimensions for a carry-on are 22 inches long, 14 inches wide and 9 inches high.

Personal items are limited to 17 inches long, 10 inches wide and 9 inches high.

United doesn't publish weight limits for carry-ons.

» Learn more: What you need to know about United Airlines baggage and other fees

Depending on the airline you fly with as well as how long you’re traveling for, you might wonder whether you’re better off traveling with a checked bag rather than a carry-on . This can be especially relevant if you’ve got some liquids with you that exceed the TSA carry-on liquid limits.

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Before you even make it to your departure gate, you have to clear a TSA checkpoint. This means you must adhere to the TSA liquid limit in order to make it through security.

Containers that are 3.4 ounces or less are allowed, but there are other rules to keep in mind as well.

Carry-on liquid limit

The TSA liquid rule — also known as the 3-1-1 rule (3 ounces, 1 bag per 1 person) — is straightforward: "You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint. These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item." Any liquids in larger containers will have to go into checked baggage (and are subject to overweight fees).

A basic clear, zip-top container qualifies as an eligible quart-size bag for passing through security.

The easiest way to manage the amount of fluids in your carry-on is to start with containers that are no larger than 3.4 ounces or 100 milliliters and your quart-sized bag.

The maximum carry-on liquid size and amount will depend on how much you can fit into your single quart-sized bag.

3-1-1 liquids rule exemptions

The 3-1-1 liquid rule has several exceptions if you're traveling with certain liquid medicines or baby food.

TSA allows larger amounts of certain medically necessary liquids, gels and aerosols in "reasonable quantities" for your trip. The amount allowed is not stated.

The only catch? You must declare the medication to TSA officers at the checkpoint for inspection, alongside any accessories associated with your medicine, such as freezer packs or syringes.

Labeling your medical items can help facilitate the screening process.

Formula and breast milk are considered medically necessary liquids, and thus exempt from the carry-on liquid limit. Water and juice for babies is also allowed in quantities greater than 3.4 ounces or 100 milliliters.

These child and infant nourishment items are allowed in carry-on baggage and do not need to fit within a quart-sized bag. You may also bring teethers that are gel- or liquid-filled and canned/jarred/processed baby food in your carry-on baggage.

» Learn more: 7 ways to avoid paying bag fees

Duty-free liquids

The final exemption to TSA liquid limits apply to duty-free liquids purchased during inbound international flights. It's important that these bags are secure and temper evident and stored in a transparent bag.

Be sure to keep the item's original receipt handy in case a TSA officer asks to see it.

» Learn more: Can you bring food through TSA?

The only flammables allowed in a carry-on are cigars, cigarettes, disposable and Zippo lighters, and dry batteries (like AAs or AAAs).

Camping and sports equipment

You can carry-on an air mattress with a built-in pump (by following special instructions), antlers, basketballs, footballs, baseballs, soccer balls, bike chains and bike pumps. Bicycle allowances vary by airline, but baseball bats, bear spray and bear bangers are never allowed — nor is aerosol insecticide.

Other items

There are some banned items, including knives, firearms and box cutters. A full list of which can be found on TSA’s website .

Still not sure if something you plan to carry-on is restricted? Send a photo to AskTSA on Twitter or Facebook Messenger to find out.

» Learn more: What foods you can bring on a plane

No matter which airline you fly with, first make sure you know what size carry-on you’re allowed to bring onboard and are familiar with (and prepared for) TSA’s carry-on restrictions, too. Then, you can expect a smoother and less stressful airport and airliner experience.

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Calling All Travelers: These Are the Official TSA Liquid Rules

You don't want security to throw away your new, full-size bottle of shampoo do you?

Every item on this page was chosen by a Town & Country editor. We may earn commission on some of the items you choose to buy.

We're in the midst of peak travel season, folks. Kids are still on summer break and the working world is finally using their vacation time to soak up the late summer rays before fall settles in. If you're hopping on a plane soon and traveling with only a carry-on (we salute you), there are some TSA liquid rules you should know about.

We've all fallen victim to TSA while traveling; here's a refresher so you don't make the same mistakes again.

TSA Liquid Rules:

According to the TSA website , these rules apply for liquids, aerosols, gels, creams, and pastes.

All liquids must be in a 3.4oz or smaller container. Your serums, creams, cleansers, and masks are too expensive to lose, so check their sizes and if they're too big, leave them at home or transfer them to a smaller container.

They have to be able to fit in a quart-size bag. Before you throw 10 containers of liquids into your carry-on, make sure that everything can fit in a quart-size bag. Think about what you really need for your trip, a la Marie Kondo , and remember you can always buy things once you arrive at your destination.

Powders must be in 12oz containers or smaller. TSA placed new restrictions on powders in 2018. Ensure that your makeup, protein powder, and baby powder are in containers within that range, or put them into a checked bag.

Travel-Size Beauty Essentials

Drunk Elephant The Littles™ Set

Sunday Riley Power Couple Kit

Drybar The Four Pack

Ole Henrikson Truth Serum®

SK-II Facial Treatment Essence Mini

LA MER The Moisturizing Soft Cream

Fresh Rose Deep Hydration Toner

LE LABO Santal 33 & AnOther 13 Set

Kiehl's Since 1851 Super Age-Correcting Collection

Shiseido Urban Environment Oil-Free Sunscreen

R+Co Television Perfect Hair Shampoo

COOLA Suncare Sport Sunscreen Spray SPF 30

Anything else has to go into a checked bag. If you can't part with your full-size products, they have to go into a checked bag to avoid getting tossed into the TSA product graveyard. If you're looking to save money, share one checked bag with your whole group.

Only empty water bottles will pass the TSA checkpoint. If you bring a refillable water bottle, make sure it's empty before you approach security. You can fill it up after you go through the checkpoint or buy water in the terminal.

There are exemptions. If you use a medication that comes in liquid, aerosol, gel, cream, or paste form and the container is larger than 3.4oz, it's exempt from the above rules. Similarly, if you're carrying baby formula, breast milk, or other liquid foods for your child, these are also exempt.

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Rules for Liquids in Checked Baggage: The Complete Guide

DIY Ways to Secure Your Packed Liquids

Go with the pros, add padding, anticipate inspections, tips for packing liquids in checked baggage.

TripSavvy / Ashley DeLeon 

You can carry liquids in checked baggage, but you will have to do some research and take precautions. First, you must find out which liquids are not allowed on airplanes regardless of where you pack them. The Transportation Security Administration (TSA) has a list of these prohibited liquids on its website . You should also look at the Federal Aviation Administration's list of hazardous materials. Never try to bring prohibited materials with you when you fly.

After you've done your research, you must determine whether you can bring the liquid items of your choosing to your destination. If you plan to carry several bottles of wine, for instance, you may not be able to bring them into certain U.S. states due to liquor import regulations. Travelers flying to or from Canada will want to read the Canadian air travel regulations, and visitors to the UK should read the United Kingdom's list of items you may carry in hand (carry-on) and hold (checked) baggage.

Your next step is to decide whether you want to pack colored liquids, such as red wine or nail polish, which could damage your clothing. Carrying any colored liquid can be risky. Decision-making factors include whether these items are available at your destination and whether your itinerary is flexible enough to allow you to purchase them locally, rather than bring those liquids with you.

Finally, you will need to carefully pack your liquid items so they will not break or leak. There are several ways to accomplish this. Read on for our complete guide on what to know before packing liquids for your next trip.

To prevent leaks, wrap the top of your bottle or container with duct tape so the cap stays on. (You may also want to pack a small pair of sharp scissors in your checked bag so you will be able to remove the tape later.) Put the container into a zipper-top plastic bag and seal the bag closed. Next, place that bag into a larger zipper-top bag and seal it closed, pressing out all the air as you do so. Wrap the whole thing in bubble wrap if the container is breakable. Finally, wrap that bundle in a towel or in clothing. (Many travelers suggest using dirty laundry for this.) Place the wrapped bottle or container in the middle of your largest suitcase, surrounded by clothing and other soft items.

A variation on this method involves using a hard-sided plastic or cardboard container to protect your liquid item. Use a small cardboard box or a sealed plastic container. Double-bag the liquid item as described above. Then, place it in the container and pad it with crushed newspapers, plastic air pillows or crumpled plastic grocery bags. Tape the box shut and pack it in the center of your suitcase.

You can buy styrofoam or bubble wrap "shippers," which are sealable padded bags. Brand names include the inflatable VinniBag or the Wine Mummy. Boxes made especially for transporting glass and liquid items are another option. Your local wine shop or pack-and-wrap store may carry shippers. Be aware that the bubble wrap bags will keep escaping liquid from staining your clothes, but may not prevent glass bottles from breaking. The box shipper will take up more room in your luggage. While it may not prevent liquid from escaping, the box shipper minimizes the risk of breakage.

Protect your liquid items by placing them in the middle of your suitcase, completely surrounded by clothing and other items. Be aware that your suitcase could be dropped or crushed, perhaps more than once, on its way to your destination. It may even be dragged on the ground behind a luggage cart. If you can choose from several suitcases, pick the one with the stiffest sides and pack it as tightly as you can to better cushion your liquid items.

If you pack liquid items in your checked bag, assume that your bag will be inspected by a baggage security screener. The screening officer will see your liquid item on the baggage scanner and will probably need to take a closer look at it. Do not pack valuables, even liquid ones, or prescription drugs in your checked baggage.

• Careful packing and padding will increase your chances of success, so make sure to transfer all liquids to leak-proof containers.
• Pare down your packing. Not everything can fit in your suitcase! Decide what toiletries you may find up for grabs in your hotel room, and edit, edit, edit.
• Two-in-one items are always a good idea.
• If you have a large-sized soap or shampoo that you really want to take on your trip, invest in travel-sized toiletry bottles . This way, you can pour some into the correctly sized bottle and still be allowed to take it with you on your trip.

Related Articles

More related articles.

TSA Liquids Rule: The 411 on the 3-1-1 Limit

Despite the TSA’s 3-1-1 liquids rule having been in existence for over ten years, many people are still a bit confused by, or just want to double check that they are in compliance of, the rules regarding bringing liquids on a plane. Many people may think that some things with liquid in it (like makeup) or a container that’s bigger than 3.4 ounces yet has less than that amount in it still qualify (spoiler alert: they don’t). So let’s run through every scenario we can think of and determine whether it’s allowed.

what does the 3-1-1 Liquids rule mean?

People know this phrase, but many are unsure of what it specifically means. Well, according to TSA rules, the “3” stands for 3.4 ounces (100 milliliters) of liquid, the first “1” stands for one clear zip-lock bag holding your 3.4 ounce containers, and the second “1” means per traveler. So there you go, you are limited to one bag with as many 3.4 ounce containers as can fit into your carry-on .

3 = 3.4 ounce containers (you may not Carry-on larger containers with less than 3.4 ounces of liquid)

1 = 1 clear zip-lock bag (with as many 3.4 ounce containers as you can reasonably fit in), 1 = 1 per person (no exceptions).

If you would prefer not to do any math, we recommend this TSA approved set of containers and plastic bag to avoid any confusion.

Obviously, if you are checking your bag then you can place full-size liquids in there, but those should still be in a plastic zip-lock bag as well, if for no other reason than the cap might come off and everything gets all over your clothes.

Why was this rule implemented? A terrorist plot in the U.K. attempted to carry liquid explosives onto a plane, disguising them as soft drinks. This led to lasting legislation in the United States, requiring everyone to significantly alter their travel methods, especially when it came to soaps and shampoos. But far more things with liquid in it are subject to the same rule than people realize.

are there 3-1-1 rule exceptions?

Yes. There are really only two of them, but they are crucial to some passengers – and no, TSA Precheck status is not one of them. One of them is medications . To avoid any problems, make sure these medications are clearly marked, separate them from other toiletries so that they aren’t mistaken as such, and inform the TSA screening officer of them. They don’t have to be in a zip-lock bag, and you’re allowed to bring necessary accessories (bags, pumps, syringes, etc.) on board with you as well. The TSA obviously still has to do their job and X-ray your items, and they may ask you to transfer the medication from its bottle to a clear separate container. If you don’t want them to be scanned, then the alternative is to go through a pat-down procedure.

The second exception are things necessary for your children , such as formula, breast milk and/or juices. The requirements here are generally the same as they are for medications; mark them, separate them, inform the TSA. The screening officers do still have to inspect them just to make sure there aren’t any concealed prohibited items, and you can request alternate methods of search other than an X-ray. Some specialty considerations that you are allowed to bring include: gel or liquid-filled teethers, canned or jarred processed baby food, as well as ice packs or gel packs.

It should be noted that duty free items purchased internationally are also allowed as long as they are in a cleat tamper-evident bag and you have the receipt showing that it was bought less than 48 hours prior to your flight. So now that you know what’s excepted when it comes to accepted liquids, where does the TSA draw the line?

what are the tsa carry-on liquid rules?

If you’ve traveled you’re well aware of this, but if you haven’t, it’s important to know that the liquids in your zip-lock bag must be taken out of your luggage and placed in a separate bin to be X-rayed. Now that you know the second most crucial thing about airline travel (the first being wear clean socks) here is a brief list of all the allowable liquids so long as they are in a 3.4 ounce container and inside that clear bag:

• Conditioner
• Some aerosols, such as: antiperspirants, shaving cream, hair spray, and other toiletry items. We’ll discuss the prohibited aerosols in a minute.
• Liquid makeup, such as eyeliner, nail polish and foundation must comply with the 3-1-1 rule. Powder cosmetics are accepted with no limits.
• Alcohol, but DO NOT drink it on the plane.

Here now is a much longer list of the liquids and gels that are NOT allowed on an airplane , even if it is in a 3.4 ounce or less container:

• Aerosols that aren’t personal care items, such as: air fresheners, self-defense sprays and other flammable aerosols. Basically, if it’s not meant to be sprayed on your body, it’s not allowed.
• Vaping devices (many of these are liquid-based)
• Any paint, gel or liquid that is flammable, such as lighter fluid or gasoline
• Gel-type candles
• Spillable batteries
• Paint thinner

A couple of these things, such as the candles, are allowed in your checked baggage, but for the most part all of these things aren’t allowed in any of your bags. There are extra things to consider as well. Say you’re traveling abroad and you buy a snow globe for your child as a present. Well that thing better have less than 3.4 ounces of liquid in it, otherwise you’ll have to risk putting it in your checked baggage.

At the end of the day, the TSA security officer has total discretion about whether or not to allow something of yours through security. But if it’s in a 3.4 ounce or less container, in a clear zip-lock bag, and is not flammable, you’re probably good to go.

44 Comments

Is there a specific size limit for the Ziploc bag? Also, can I carry on “alcohol Inks” it’s a liquid crafting ink. Less than 1oz each.

Does powder makeup have to be in the quart bag or no?

May I bring gummy vitamins and medications on the plane? I can’t take the pill form…

Yes, you can bring them onboard (as long as they are not liquid vitamins that are over the limit)

Can one bring a jar of salsa in a carry-on?

Unless it’s the world’s tiniest jar of salsa, probably not. Salsa is a liquid and if it’s more than 3.4 ounces or 100 milliliters, you can’t bring it on board the plane. Personally I’d go for the ounces over 100ml because technically that’s only 3.3814 ounces ?. You can always pack it away safely on your checked luggage, just be sure to wrap it as safely as possible. Bubble wrap is always a good idea for glassware. If it’s just a plastic container, I suggest putting that in a plastic bag just in case.

Can I bring my purse and a carry on bag on the plane? Also, can I bring my 2 small bottles of pills Metoprolol (for heart) and Omeprazole (acid reflux) in my purse or carry-on bag?

Most airlines alow both a carry on and a personal item (the purse would be considered a personal item). Medication in pill form should be fine, if it’s a prescription I would make sure to bring documentation.

How about coffee mini creamers ?

If you get the creamers inside the terminal (i.e. from vendors) they should be fine. Otherwise, they would have to go in the quart sized bag.

Can I bring essential oils of 5 Mil in my carry on?

Can i bring a quart bottle water frozen – ice/not slushy thru the checkpoint? Great article!

My TSA approved containers to carry shampoo and such are actually labeled 4.0 oz. is this going to b ok? Purposely purchased these because it said TSA approved!!

if my shoe inserts, prescription orthodics, have gel in them can I wear them on the plane? They are expensive, I wouldn’t want them to be confiscated.

Orthotics will be fine.

Reference the duty free info. I purchased duty free alcohol and upon entry into the US and re-entry thru TSA at IAD, they insisted they had to open the sealed duty free bag to double check all items. Apparently, double check meant running them through a spectrometer or something. Since one of the items was similar to Baileys in a non-clear bottle and a thick non-clear liquid, it didn’t pass the test. My choices were confiscation or try and mail it back outside TSA. Luckily, United helped me package it as another checked bag. The point I’m making is unless I was being scammed, don’t assume everything purchased in duty free will clear TSA. BTW, the TSA website made no mention of this policy as I’d checked.

sorry may i bring all these items on the plane i missed typed the prior email. may i bring on the a bag of cookies unopened, bag of chips unopened and a 1 liter of soda unopened or a liter of bottle or can water brought at my local grocery store? or do i need to purchase everything behind TSA security check in

You cannot bring liquids on the plane. 1 liter of soda far exceeds the 3 ounce rule. The food should be fine.

I have the perspiration drug of Testosterone that was prescribed by my doctor. I will need a syringe to inject this medication. Will I be able to bring this in my carry-on?

Yes, but it is a good idea to get a note from your doctor.

I have prescription medication “Androl Gel and I am sure it is greater than 3.5 oz. and an alcohol based gel. Can this be kept with my other medications in my carry on?

Medications are allowed in greater quantity than other liquids and gels. I would bring a note or prescription from your doctor just to be sure.

I wish to carry 5 packets of garden seeds bought at a local nursery to India in my checked baggage. Is it allowed? Thank you.

You may need to declare that at customs.

I am taking Canadian Maple syrup as gifts (300ml bottles) in my checked luggage. Can I wrap them well in bubble wrap or do they have to be visible in a clear bag?

They do not need to be in a clear bag in checked luggage, although putting them in a watertight bag isn’t a bad idea in the event they break.

can i bring an un opened package with glade plug ins

If there is liquid in them, they may need to go in checked luggage.

Almost all references to the 1-quart bag dimensions are just width and height. What about the depth? Or is the overall volume of 1 quart the ultimate bottom line? If so, what is that volume?

The volume is 1 quart. They are standard sized bag.

does mascara fall under the 3-1-1 rule?

Chris, common sizes of mascara and similar products are exempt from the 3-1-1 rule. Now if you have a monster sized mascara, then I would put it in a ziptop bag.

Can I bring more than one liquor bottle which are less than 100ml or 3.4 oz?

Travelers may carry as many 3.4 ounce bottles of liquid (mini bottles of liquor are 1.7 ounces) that fit comfortably in one, quart sized, clear plastic, zip-top bag. Comfortable means that the bag will seal without busting at the seams. One bag is permitted per passenger. Travelers may take up to five liters of alcohol with alcohol content between 24% and 70% per person as checked luggage if it’s packaged in a sealable bottle or flask. Alcoholic beverages with more than 70% alcohol content (140 proof), including 95% grain alcohol and 150 proof rum, cannot be packed in checked luggag

Can I hand carry chicken eggs?

You may be able to, but the final word rests with the security agent that day. If you do, pack them in plain egg cartons to they are easy to take out and inspect. If they are not fertile, offer to let them scan them. Be courteous and understand you may have to toss them.

Can I carry on 10 hand made cookies, tightly wrapped in saran wrap in a bag so easy to view to inspect. About 10–they are hand made holiday cookies.

Yes. But save me some.

small tube of toothpaste, crystal light individual packets, instant coffee individual packets Are these items allowed?

Toothpaste falls under the 3-1-1 rule, the rest of the items are allowed.

Can I bring my hair straightener ( flat iron ) with me on the plane?

Yes you can Diana.

May I carry on a 1# (one pound) bag of Dunkin Donuts ground coffee?

Yes. No issues with coffee, no matter the brand.

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Last Updated on 6 years by tsatips

The U.K. Ended Its Travel-Size Liquid Rule for Carry-Ons—Will the U.S. Do the Same?

Passing through airport security in the U.K. is about to get easier and more streamlined, as U.K. officials announced that the rule mandating liquids in carry-on bags be 100ml (3.4 ounces) or less will no longer be enforced, starting in June 2024. 

When the rule ends, passengers will be able to carry-on liquids measuring up to two liters in volume, the BBC reports . Additionally, passengers will no longer need to remove electronics from bags, such as laptops. Previously, major airports in the U.K., such as London Heathrow, were known for their stringent enforcements of the liquid rules.

In the U.S., similar policies are still in effect at airports around the country, with the TSA enforcing its so-called “ 3-1-1 ” liquid rule for carry-on bags: all liquids must be 3.4 ounces or less and fit in a single, one-quart clear bag. (Though there are  some exceptions to those rules.)

The more relaxed screening policies in the U.K. are possible thanks to new X-ray scanners that use computed tomography (CT) technology to produce more detailed, 3D images of luggage contents. (The technology is similar to a CT scan you might get at a hospital.) Most airports in the U.K. will need to upgrade their X-ray machines to the newer high-tech versions by June 2024. 

The same enhanced CT technology has been in use at U.S. airports for several years now, with the TSA rapidly expanding the scanners to dozens of airports nationwide. As of May 2022, the agency said it had deployed at least 402 CT units to 163 airports around the country. Over the summer, officials installed more of the scanners at additional airport checkpoints in anticipation of an uptick in air travelers, including at Billings Logan International Airport in Montana , Albany International Airport in New York, Buffalo Niagara International Airport in New York, Cincinnati/Northern Kentucky International Airport and Raleigh-Durham International Airport in North Carolina, the TSA  said in a release . 

With that in mind, will the TSA follow the U.K.’s lead and ditch its rules for carry-on liquids? Currently at U.S. security checkpoints with CT scanners, passengers already have somewhat more relaxed screening rules, as they aren’t required to remove their travel-size liquids, electronics, or food from their carry-on bags, according to the TSA. That was a precursor step to the new U.K. policy at  London City airport , which received CT scanners in November 2022 and announced that passengers no longer had to remove any items from their bags. 

But some industry analysts say scanning equipment is only one piece of the puzzle . “I believe that TSA and other aviation security organizations will study the results from the UK’s decision closely and carefully,” says Henry Harteveldt, an aviation expert and president of Atmosphere Research. “If behavioral profiling and other similar tools allow security organizations to potentially detect people who may pose a danger to airline crews and passengers, it may help reduce the need for measures such as the 100ml limit on liquids and the TSA’s 3-1-1 policy.”

Indeed, it seems U.S. officials plan to take it slow when considering any changes to the current TSA 3.4-oz liquid rule, which has been the international standard since it was implemented in 2006. “Computed Tomography technology produces 3-D images that can be rotated and combined with advanced detection algorithms to produce a substantial improvement in security screening,” Robert Carter Langston, TSA's press secretary, said in an emailed statement. “While we have them deployed at more checkpoints, we are years away from announcing a change to the current liquids rule.” 

Although U.S. passengers still need to pack travel-size liquids for the time being, that doesn’t mean that the security checkpoint hasn’t been seeing other improvements. Aside from rolling out more CT scanners, TSA has been deploying credential authentication technology: new ID scanners that don’t require passengers to show their boarding passes . Earlier in 2022, the agency also began accepting digital IDs from the Apple Wallet app at certain airports and testing an expansion of facial recognition to whisk travelers through even faster.

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What Can I Bring?

Planning ahead and packing properly can facilitate the screening process and ease your travel experience at the airport. Know what you can pack in your carry-on and checked baggage before arriving at the airport by reviewing the lists below. Even if an item is generally permitted, it may be subject to additional screening or not allowed through the checkpoint if it triggers an alarm during the screening process, appears to have been tampered with, or poses other security concerns. Read about civil penalties for prohibited items .

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The final decision rests with the TSA officer on whether an item is allowed through the checkpoint.

Officers may ask you to power up your electronic device, including cell phones. Powerless devices will not be permitted onboard the aircraft. TSA does not read or copy information from your device.

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Aerosol Insecticide

• Carry On Bags: No
• Checked Bags: Yes (Special Instructions)

Aerosol insecticides are not allowed in carry-on; however they are allowed in checked bags as long as they are not labeled as hazardous material (HAZMAT).

Air Mattress with Built-in Pump

• Carry On Bags: Yes (Special Instructions)
• Checked Bags: Yes

Air mattresses with built-in pump are allowed in carry-on bags. Please check with your airline for any size or weight restrictions.

Airbrush Make-up Machine

Devices containing lithium metal or lithium ion batteries should be carried in carry-on baggage.  Most other consumer devices containing batteries are allowed in carry-on and checked baggage.

For more information to portable electronic devices, see the FAA regulations.

Alcoholic beverages

• Carry On Bags: Yes (Less than or equal to 3.4oz/100 ml allowed)

Check with your airline before bringing any alcohol beverages on board. FAA regulations prohibit travelers from consuming alcohol on board an aircraft unless served by a flight attendant.  Additionally, Flight Attendants are not permitted to serve a passenger who is intoxicated.

Alcoholic beverages with more than 24% but not more than 70% alcohol are limited in checked bags to 5 liters (1.3 gallons) per passenger and must be in unopened retail packaging. Alcoholic beverages with 24% alcohol or less are not subject to limitations in checked bags. 

Mini bottles of alcohol in carry-on must be able to comfortably fit into a single quart-sized bag.

For more information, see FAA regulation: 49 CFR 175.10(a)(4).

Alcoholic beverages over 140 proof

• Checked Bags: No

Alcoholic beverages with more than 70% alcohol (over 140 proof), including grain alcohol and 151 proof rum. For more information, see FAA regulation: 49 CFR 175.10(a)(4).

Check with your airline if ammunition is allowed in checked bags. Small arms ammunitions must be securely packed in fiber, wood or metal boxes or other packaging specifically designed to carry small amounts of ammunition. Ask the airline about limitations or fees. Read the guidelines for traveling with firearms.

When traveling, be sure to comply with the laws concerning possession of firearms as they vary by local, state and international government.

• Carry On Bags: Yes

You may transport this item in carry-on or checked bags. For items you wish to carry on, you should check with the airline to ensure that the item will fit in the overhead bin or underneath the seat of the airplane.

Arc Lighters, Plasma Lighters, Electronic Lighters, E-Lighters

Measures must be taken to prevent unintentional activation of the heating element while on board the aircraft. Examples of effective measures to prevent unintentional activation include, but are not limited to: removing the battery from the lighter; placing the lighter into a protective case; and/or using a protective cover, safety latch, or locking device on the lighter's activation button.

Each lithium ion battery must not exceed a Watt-hour (Wh) rating of 100 Wh; or for lithium metal batteries, a lithium content of 2 grams.

Recharging of the devices and/or the batteries on board the aircraft is not permitted.

See FAA regulations for more information.

Artificial Skeleton Bones

Axes and hatchets, sharp objects, household & tools, sporting & camping, miscellaneous.