Can You Bring A Water Bottle On A Plane? TSA 2023 Answers

Intro: Can You Bring A Water Bottle On A Plane?

Keeping yourself hydrated on a long flight is important. But sometimes it’s difficult, with limited flight attendant drink services and $6 bottles of water at the airport. You might want to know: can you bring a water bottle on a plane and avoid issues at the airport security line?

To get straight to the answer: good news! Empty metal water bottles (or any empty water bottle) are allowed in hand luggage through security screening, but because of liquid rules, a full bottle is not allowed through security (Unless it’s a frozen water bottle)

TSA Regulations Official Website

Here’s the TSA liquids rule question answered on the TSA website for flights in the United States. Check the airport guidelines of the country where the international flight originates for more information.

An Empty Water Bottle is allowed in both Carry-On Bags and a Checked Bag.
TSA officers have the final say on whether an item is allowed through the checkpoint.

TSA Twitter Answer

Top Stainless Steel Travel Water Bottles

Water Bottles On Planes

The value of drinking sufficient water on planes: Staying hydrated is important for your health in general, and it’s even more important when you’re in the air. Dehydration, which can cause headaches, dry skin, and exhaustion, can set in quickly due to the airplane cabin’s low humidity. Drinking a lot of water can help ease these side effects and make the trip more pleasant. Having your own reusable stainless steel water bottle is the best way to stay hydrated and avoids high airport prices.

Empty Bottles, Clear Plastic Bag, & TSA Security Checkpoint Liquid Regulations For Carry-On Luggage:

An explanation of the TSA’s “3-1-1 liquid rule” for bringing liquid items past security in carry-on bags: All liquids, aerosols, gels, creams, and pastes must be in containers of 3.4 ounces or less and placed in a single, quart-sized bag. The next step is to put the bag in an x-ray screening bin for inspection by a security officer. Water is considered a liquid prohibited in a passenger’s carry-on bag. Therefore, a full water bottle isn’t allowed through TSA checkpoints. However, an empty reusable water bottle is no problem.

Why The Airport Security Checkpoint Limits Liquid Items?

The limit on liquids in a carry-on bag is in place for security reasons. This rule was made by the Transportation Security Administration (TSA) to stop drinks from being used as weapons or liquid explosives. To ensure the safety of passengers and crew, the TSA restricts the number of liquids that can be brought through TSA screenings, including those in water bottles.

Medically necessary liquids and things like baby formula and breast milk are examples of liquids that are exempt from this rule. Any of these things should be declared to TSA agents and kept in a separate compartment of the traveler’s carry-on bag. People who are flying and have health problems that have been going on for a while should contact TSA ahead of time so that they can do more screening. 

can you bring a water bottle on a plane

What About Frozen Items?

Here’s the answer to turning water in liquid form into frozen liquid or ice packs.

Can you bring frozen water through security?

Avoiding Delays

Once you reach the x-ray machines, there’s usually no place to empty a water bottle. So if you forget, you’d need to exit security to dump the water out (or drink it fast). Visitors are asked to empty their water bottles before entering the building so there are no problems or delays at the security checkpoint. To avoid breaking the TSA’s 3-1-1 rule, passengers should also consider buying a water bottle that is easy to empty and fill after going through security. 

How to keep the TSA from taking your water bottle: To prevent a TSA agent from taking your water bottle, passengers should make sure it meets the TSA’s 3-1-1 rule and is empty before going through the security checkpoint. Passengers should also check that their carry-on liquids don’t exceed the TSA’s allowed limits.

Airport Water Fountains 

Water fountains are often strategically located around most airport terminals, giving passengers easy access to free water. Many airports also have water bottle filling stations now. The water from these fountains is safe to drink, although the quality and taste might vary.

Glass Water Containers

The Transportation Security Administration’s (TSA) policy on glass bottles reads: “Both liquids in glass bottles and those in plastic or metal containers are allowed on flights.”

Tips for packing glass bottles safely: If you really want to bring a glass bottle on the plane, you should fill it carefully so it doesn’t break. Put the bottle in a protective sleeve or bubble wrap before placing it in a hard-sided suitcase. Put the bottle in a plastic bag in case it breaks or leaks. 

Here’s TSA’s Twitter answer:

Other Kinds Of Bottles

Bottles made of materials other than glass are acceptable as alternatives. Reusable water bottles, such as those made of plastic or stainless steel, are a practical and long-lasting choice for travelers. These bottles are safer and more convenient than glass ones because they are lightweight, sturdy, and less likely to break during air travel. 

Link: Can you bring a thermos on a plane? Recommended reusable water bottles.

Reusable Bottles 

reusable water bottle on a plane

Environmental benefits of reusable bottles: Reusable water bottles are an environmentally-friendly solution, as they reduce the waste generated by single-use plastic bottles. Bringing along a refillable water bottle is a simple way for tourists to help the environment and cut down on single-use plastics. 

Reusable water bottles are better than single-use plastic water bottles because they last longer and are easier to carry. They are more eco-friendly and economical than single-use water bottles because they can be reused repeatedly. 

Aluminum water bottles, or stainless steel bottles, are all good options for reusable water containers.

It’s up to the traveler to decide whether they want a solid, insulated bottle to keep their drink cool or a lightweight, collapsible bottle for convenient packing. 

Top Reusable Water Bottles

Cleaning and maintaining reusable bottles: To keep your reusable bottles clean and hygienic, it’s vital to wash them often. Many reusable bottles are safe to clean in the dishwasher or with soap and water by hand. Travelers can buy water purification systems that let them drink safe, clean water while on the road. 

Last words on reusable bottles: In general, bringing your own refillable water bottle on an airplane is the most eco-friendly and convenient option. Travelers can avoid dehydration and cut down on waste thanks to the range of selections and the ease of refilling the bottle. 


A crucial part of traveling is keeping yourself hydrated, so remember to bring a water bottle or fill it up at the airport. Travelers can stay hydrated and help the environment by following the TSA’s rules about liquids, thinking about the pros and cons of glass bottles, and using a strong, reusable container that is good for the environment. 

Avoiding dehydration is crucial to your health, and it’s especially important to drink enough water while flying since the dry air inside the plane can cause dehydration. It is recommended that passengers either carry their own water supply with them on their trip or use one of the airport’s water fountains. 

Check out our other pages for questions on things like bringing peanut butter, live fish, or dry ice on a plane.

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