- Kenai Municipal Airport (IATA: ENA, ICAO: PAEN) is a public airport located in Kenai, Alaska. It is situated approximately 5 miles (8 km) northeast of the city's central business district. The airport serves the city of Kenai as well as the surrounding areas in the Kenai Peninsula Borough. It offers domestic flights to various destinations within Alaska. The airport has one asphalt runway and a terminal building that provides basic facilities for passengers, including rental car services and a cafe.