How Much Liquid Can I Bring on a Plane in 2024

How Much Liquid Can I Bring on a Plane in 2024?

Have you ever shown up to the airport with a supersized thirst-quencher and been told to toss it at security? We feel you. Trying to figure out the liquid rules for airplane carry-ons can be confusing, especially with policies changing faster than some planes take off. But don’t worry, we’ve got you covered. We’ll walk through what you can and can’t bring on board so you can avoid those awkward “please step aside” moments. You’ll be a pro at packing liquids in no time. Grab your favorite reusable water bottle and let’s do this. By the end, you’ll be ready to breeze through security with your liquids like a total pro.

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TSA Liquid Rules: What You Need to Know

Carry-on Liquids: 3-1-1 Rule

The TSA has a limit of 3.4 ounces (100ml) per item for all carry-on liquids and gels. They must be placed in a single, clear, resealable plastic bag for X-ray screening. Each passenger can carry only one bag. Larger containers that are half-full or toothpaste tubes rolled up are not allowed.

Exemptions to the 3-1-1 Rule

Medications, infant or child nourishments, and other essential non-prescription liquids are exempted and don’t need to fit within a plastic bag but must be declared to the TSA officer. Duty-free liquids purchased in secure areas of airports are also exempt if you have proof of purchase within the airport.

Checked Bags: No Limit

You can pack as many liquids as needed in your checked bags since they undergo mandatory explosive detection screenings. However, do pack securely to avoid spills. Keep in mind that the total weight of checked bags cannot exceed 50 pounds or you’ll incur excess baggage fees.

Additional Screening and Disposal

Additional screening like pat-downs and bag searches may be required if TSA officers cannot clear certain liquids during X-ray screening. They may also ask you to dispose of liquids if you cannot verify them. It’s best to avoid packing unnecessary liquids and follow the 3-1-1 guidelines to move swiftly through security.

The TSA liquid policy may seem inconvenient, but it’s critical for ensuring flights remain safe from threats. Following the rules and allotting extra time at the airport will help get your trip off to a smooth start. Safe travels!

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How Much Liquid Am I Allowed to Bring on a Plane?

So you’re planning a trip and wondering how big of a bottle you can bring with you through airport security. The rules around carry-on liquids have relaxed a bit since the early days of the TSA, but there are still some guidelines to keep in mind.

3-1-1 rule

The 3-1-1 rule allows you to bring one quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag. The bag must be sealable and hold no more than 3.4 ounces (100 milliliters) of each item. Think a resealable freezer bag or something similar. Anything bigger has to go in your checked baggage.

Exceptions to the rule

There are a few exceptions to this rule. Medications, baby formula and food, and perishable items like hand sanitizers are allowed in reasonable quantities for your flight. You may also bring empty reusable water bottles and then fill them up once you pass through security.

Check with your airport

Some airports have additional rules about liquids, so check with the website of any airport you’ll be flying through. They’ll list details on any changes or extra restrictions to be aware of. It’s always better safe than sorry in this case.

While the rules can seem annoying, they’re in place to help ensure safety for all passengers and staff. A little advance planning will help make getting through security as smooth as possible. Have a great trip and remember, you can refill or purchase any drinks you need once you’re through to your gate area!


Well, there you have it – the latest guidelines on how much liquid you can bring through airport security in 2024. The rules have gotten a little more lax since early days of the TSA, but there are still restrictions in place to keep travelers safe. The key things to remember are the 3-1-1 rule for carry-ons, checking any bottles over 3 ounces if possible, and knowing what counts as a liquid. It may require a little more planning on your part, but at least you’ll avoid having your stuff confiscated at the checkpoint. With the busy travel season coming up, hopefully these tips will help you breeze through security with all your toiletries intact. Safe travels!

FAQs: Answering All Your Questions About Liquids and Air Travel

What size and how many containers can I bring?

You’re allowed to bring one quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag. Each bottle within that bag must hold 3.4 ounces or less. Be sure each bottle is properly sealed in a resealable bag before packing in your carry-on. Any containers larger than 3.4 ounces must go in your checked baggage.

What actually counts as a liquid?

Anything that could spill, spray, spread, pump, pour or flow counts as a liquid. This includes things like:
Shampoo, conditioner, hair gel and mouthwash
Lotions, liquid cosmetics, perfumes and colognes
Beverages, soups and syrups
Sunscreen, hand sanitizers, wet wipes and contact lens solution
Toothpaste, spray deodorants and aerosol cans

Are there any exemptions?

Medications, baby formula and food, and breast milk are allowed in reasonable quantities for your flight and are exempt from the 3.1 ounce container restriction. However, you must declare them to the TSA officer during screening. Ice packs or cold packs must be completely frozen solid when going through screening.

What if I need to bring more than 3.4 ounces of a liquid?

Any liquids over 3.4 ounces must be packed in your checked baggage. However, there are a few options if you need certain liquids in your carry-on bag:
Ask your doctor for a waiver if you need to bring medically necessary liquids in larger volumes. You’ll need to declare the liquids to the TSA officer during screening.
Consider using contact lens solution tablets instead of bottled solution. Many brands offer dissolvable tablets that provide the same hydrating effect without counting as a liquid.
Buy any liquids you need once you pass through airport security. Many airports now have shops, pharmacies and convenience stores located just beyond the checkpoint.
Mail any necessary liquids to your destination ahead of your trip. As long as the container is properly sealed, you can mail most standard cosmetics, toiletries and other non-hazardous liquids.

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