However, every country has its own rules on carrying alcohol on a flight. U.S. Customs, for example, only allows for 1 liter of alcohol to be carried into the United States duty-free. If you're planning on meeting the 5-liter legal limit, you'll be subject to paying duty and taxes for the other four bottles.
How much alcohol can you buy at duty-free to bring to us?
one literResidents and non-residents over 21 years of age may bring no more than one liter of alcoholic beverages (beer, wine or liquor) to the U.S. duty free. You may not mail alcoholic beverages to the U.S.
Can I bring alcohol into the US in my checked luggage?
What is not allowed in checked baggage to USA?
Examples of prohibited items are dangerous toys, cars that don't protect their occupants in a crash, bush meat, or illegal substances like absinthe and Rohypnol. Restricted means that special licenses or permits are required from a federal agency before the item is allowed to enter the United States.
Are liquids allowed in checked baggage?
We recommend packing all liquids, gels, and aerosols that are over 3.4 oz or 100 ml in your checked baggage, even if they are in a secure, tamper-evident bag. Liquids more than 3.4 oz or 100 ml not in a secure, tamper-evident bag must be packed in checked baggage.