Whether you have to pay for alcohol on a plane in 2026 depends entirely on your airline, cabin class, and flight duration. On most major US domestic airlines (Delta, United, American, Southwest), alcoholic beverages are complimentary in First and Business Class but cost between $9 and $15 in the Main Cabin. However, some airlines like Delta offer free beer and wine even in "Comfort+" (Premium Economy). On long-haul international flights, most full-service carriers—including "Big Three" US airlines and international giants like Emirates or China Airlines—provide complimentary beer, wine, and spirits to all passengers, including those in Economy. Conversely, "ultra-low-cost" carriers like Spirit, Frontier, or Ryanair charge for all beverages, including water. It is a peer-to-peer security essential to remember that it is a federal offense to consume your own alcohol (bought at Duty-Free) on an airplane; it must be served to you by a flight attendant to comply with FAA regulations regarding passenger intoxication levels.