(*) Fares do not include a federal excise tax of $3.60 per U.S. domestic flight segment, defined as one takeoff and landing, of a passenger's itinerary; up to $18 per round trip in local airport charges; September 11th Security Fee of $2.50 per enplanement originating at a U.S. airport. For international and Puerto Rico/U.S. Virgin Islands destinations, government taxes and fees of up to $180, varying by destination, are not included and may vary slightly depending on currency exchange rates at the time of purchase.