Airport Koyukuk is located in United States near the city of Koyukuk. The international codes of Koyukuk airport are ICAO: PFKU and IATA: KYU. Koyukuk is located at latitude 64.8758 and longitude -157.731. The elevation above sea level is 149ft (45m). Local timezone at the airport is UTC/GMT -9:00 hours.