Are you willing to know how many liquid ounces can you take on a plane ? You've spent the last few months planning that amazing journey , so the last thing you want is to get held up waiting for security because, oh no!, your carry-on bag has an absurdly oversized shampoo bottle or that hostess gift of champagne. Minimize the limits and start by packing little. then unwind and begin dreaming about taking your first swim at Beach. Anyone who wants to fly in the United States (without problems) must be aware of the Transportation Security Administration's liquid limitations as to how many liquid ounces can you take on a plane . whether or not they only travel with carry-on luggage. However, being aware of which of your foods, beverages, and other goods even qualify as "liquid".