How Many OZ Can You Bring On A Plane?

For airport security checks to go smoothly, you must know how much you are allowed to bring on a plane. Passengers How Many OZ Can You Bring On A Plane? liquids, gels, and aerosols in containers up to 3.4 ounces (100 ml) each in their carry-on luggage in accordance with TSA's 3-1-1 liquid rule. One quart-sized, transparent, resealable plastic bag must hold all of these containers. Products such as toothpaste, lotion, shampoo, perfume, and related items fall under this guideline.

The 3.4-ounce limit does not apply if you need to bring more liquids in your checked luggage. Baby food, prescription drugs, and medically necessary liquids are exceptions that can go over the limit but must be reported at security.