Ketchikan International Airport 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 Alaska, that has no direct road access to the outside world or to the airport. The airport is located on Gravina Island, just west of Ketchikan on the other side of the Tongass Narrows. Passengers must take a seven-minute ferry ride across the water to get to the airport from the town.

Ketchikan is a city in and the borough seat of the Ketchikan Gateway Borough of Alaska. It is the state's southeasternmost major settlement. Downtown Ketchikan is a National Historic Landmark District.