According to Federal Aviation Administration, you are allowed to carry alcohol in both the checked baggage and carryon luggage. These should be in unopened retail packaging, containing alcohol between 24 and 70% by volume (up to 140 proof). Quantity of the alcohol is limited to 5 liters (1.3 gallons) per packaging and 5 liters total per passenger*. Drinks containing more than 70% alcohol (more than 140 proof) are not allowed in both the carry-on and checked baggage. However, passengers need to check with the baggage allowance policy of the airline they are going to travel with.