Can you drink at 18 on a plane?

The FAA doesn't police in-flight drinking, but airlines certainly do and typically follow the laws of the country in which they're based. For travelers, that means no matter the drinking age of the country you're in or over or en route to a U.S.-based airline won't serve alcohol to any passenger under 21.



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If you fly American Airlines to Mexico, you need to be 21 to drink. If you fly Aeromexico, you can drink at 18. If you fly Delta to Europe, you nee to be 21 to drink.

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Under current FAA regulations, passengers aren't allowed to drink alcohol while flying unless it's served by a flight attendant. Your flight attendant also isn't allowed to serve you if you're intoxicated.

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It is an offence under the Air Navigation Order to be drunk on an aircraft and airlines have the authority to prevent passengers they believe are intoxicated from boarding aircraft.

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While US and Canadian laws don't prohibit passengers from flying under the influence of drugs, if you are intoxicated, your airline may prevent you from boarding your aircraft.

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Airlines typically adhere to legal drinking laws of the flag they carry… For example, American Airlines will adhere to US legal drinking age of 21, while British Airways will serve patrons who are at least 18 years old.

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