Great Falls International AirportAirlines
Great Falls International Airport is serviced by Allegiant Air, Delta Airlines, Frontier Airlines, Horizon Air, and United Express.
For more information regarding each respective airline, click on their web site URL address:
Allegiant – http://www.allegiant.com
Reservations: 702-505-8888
Delta Airlines – http://www.delta.com/home/index.jsp
Reservations: 1-800-221-1212
Frontier Airlines: http://www.flyfrontier.com
Reservations: 1-800-432-1359
Alaska Air – http://www.alaskaair.com
Reservations: 1-800-252-7522
United Airlines – http://www.united.com
Reservations: 1-800-864-8331