Friedman Memorial Airport (IATA: SUN, ICAO: KSUN, FAA LID: SUN) is a city-owned public-use airport in the northwest United States, located one nautical mile (2 km) southeast of the central business district of Hailey, the county seat of Blaine County, Idaho. The airport is operated by the Friedman Memorial Airport Authority under a joint powers agreement between the city of Hailey and Blaine County. It serves the resort communities of Sun Valley and Ketchum, and the surrounding areas in the Wood River Valley.