Ketchikan International Airport (IATA: KTN, ICAO: PAKT, FAA LID: KTN) is a state-owned, public-use airport located one nautical mile (2 km) west of the central business district of Ketchikan, a city in Ketchikan Gateway Borough in the U.S. state of Alaska. The airport is located on Gravina Island, just west of Ketchikan on the other side of the Tongass Narrows.