Given Montana's small and distributed population, locals will often shop multiple airports for the best price, then drive several hours to the cheaper airport. Helena is centrally located and has 5 airport choices within a 2 hour drive. In addition, Billings (BIL), a 3:45 drive from Helena, sometimes has the best rates in the state.
Most Montana airports host Alaska Air, Delta, and United. A few also host discount carriers Allegiant and Frontier. Bozeman and Billings host American Airlines. No, Southwest doesn't fly into Montana. Yes, it is common to have multiple connections when flying to or from Montana.
We recommend checking several airports before booking any flights. It is unlikely you will find any bus or shuttle service between Montana cities, but if you end up driving from another airport, take heart that your commute will be beautiful.
If you are looking for Amtrack information, the nearest station is Shelby, 2:30 on I-15 north of Helena. However, to the best of our knowledge, no car rentals are available at any train station in Montana.
If you don't have a car, local Helena transportation can be had with Uber, Lyft, or on-call taxis.
HELENA REGIONAL AIRPORT (HLN)
1:10 drive to Helena
BUTTE: BERT MOONEY AIRPORT (BTM)
Bert Mooney Airport is a small airport relataviley near to Helena and often has inexpensive rates for those flying on Delta.
1:30 drive to Helena
BOZEMAN YELLOWSTONE INTERNATIONAL AIRPORT AT GALLATIN FIELD (BZN)
Bozeman Yellowstone International Airport is Montana's busiest passenger airport with the largest range of airlines and direct flights available.
2:00 drive to Helena
MISSOULA INTERNATIONAL AIRPORT (MSO)
- ALASKA AIR/HORIZON AIR
- UNITED/UNITED EXPRESS
- ADDITIONAL AIRPORT INFORMATION
3:45 drive to Helena
BILLINGS LOGAN INTERNATIONAL AIRPORT (BIL)
Billings Logan International Airport is Montana's largest and busiest airport due to the combined passenger and freight traffic. Billings has the second largest range of airlines and direct flights (after Bozeman).