SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/trav-tsa-311-one-bag

How many quart-sized bags of carry-on liquids does the TSA 3-1-1 rule allow per traveler?

One quart-sized bag.

Start playing free

  1. Two quart-sized bags
  2. One quart-sized bag ✔
  3. One gallon-sized bag

Why: You may bring a single quart-sized bag of liquids, aerosols, gels, creams and pastes. Everything must fit in it.

Huh, didn't know that: Duty free liquids in sealed, tamper-evident bags have a separate exception.

The dad joke
Why did the flight attendant apologize to the family of elephants? They were only allowed one trunk onboard.
Like this card?
Play the game

References

Answer: One quart-sized bag. You may bring a single quart-sized bag of liquids, aerosols, gels, creams and pastes. Everything must fit in it.

  1. TSA: Frequently asked questions www.tsa.gov/travel/frequently-asked-questions
    Each passenger is limited to one quart-size bag of liquids, gels and aerosols.
    Checked 2026-10-11.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

TravelIn the TSA 3-1-1 rule, each liquid container in your carry-on can be how large?TravelDoes TSA require children under 18 to show ID when flying with a companion within the US?TravelDuty free liquids over 3.4 oz in a sealed bag on an international connection must have a receipt from within how long?

That's stuff everyone should know.