5 Things to Know About Checking a Cooler on a Flight

Airlines allow coolers as checked bags A hard-sided cooler counts as luggage if it stays under the airline’s size limit, typically 62 linear inches total.

Size and weight limits still apply Your cooler must meet the airline’s checked bag dimensions and weight restrictions, or you will pay oversized fees.

Liquids and semi-liquids are restricted You cannot pack large amounts of soup, marinated meats, or similar items unless they are frozen solid.

Dry ice is allowed but capped Most airlines permit up to 2 kg (4.4 lbs) of dry ice per bag, and it must be clearly marked.

Melting is a practical problem Even if you freeze food solid, it will thaw during travel, creating leaks and mess inside the cooler.