How Many OZ Can You Bring On A Plane? For airport security checks to go smoothly, you must know how many ounces you are allowed to bring on a plane. <a href='https://www.baggageinfo.com/blog/how-many-oz-can-you-bring-on-a-plane/'> How Many OZ Can You Bring On A Plane?</a> Passengers may transport liquids, gels, creams, and aerosols in containers weighing 3.4 ounces (100 ml) each, per TSA's 3-1-1 liquid rule. Your carry-on luggage must contain all of these goods in a single quart-sized, clear, resealable bag so that it may be screened. Toiletries like lotion, shampoo, perfume, and sanitizer are covered by this regulation. Larger liquid containers are still permitted in checked luggage, however there are no stringent ounce restrictions. Breast milk, infant formula, and prescription drugs are exempt from the 3.4 oz restriction when disclosed to security personnel. You may pack more effectively, save delays, and guarantee a stress-free trip by being aware of these recommendations. Restrictions may differ slightly depending on the destination, therefore always verify international and airline restrictions.