Helena Regional Airport

Helena Regional Airport is an airport located in Helena Montana, US. The airport's IATA code is HLN, which is the three-letter code used on boarding passes and flight bookings. The ICAO code is KHLN, used by air traffic control and pilots for flight planning.

The airport operates in the America/Denver timezone. When planning flights to or from HLN, use our flight duration calculator to account for timezone differences, especially for international travel.

Helena Regional Airport sits at an elevation of 3,877 feet (1,182 meters) above sea level.

Browse all airports in United States or explore airports across North America.