Airlines and Aircraft Serving Helena Effective April 1, 1981
BIG SKY AIRLINES
Aircraft Operated:
Cessna, Handley Page Jetstream
Destinations Served:
Billings, Great Falls
FRONTIER AIRLINES
Aircraft Operated:
Boeing 737-200
Destinations Served:
Billings, Bozeman, Kalispell, Missoula, Salt Lake City
NORTHWEST ORIENT AIRLINES
Aircraft Operated:
Boeing 727-100, Boeing 727-200
Destinations Served:
Billings, Bozeman, Missoula, Spokane