| KBIL | BIL | Billings Logan International Airport | KBIL, BIL | Billings | 3206 m |
| KBTM | BTM | Bert Mooney Airport | KBTM, BTM | Butte | 1690 m |
| KBZN | BZN | Bozeman Yellowstone International Airport | KBZN, BZN | Bozeman | 2744 m |
| KGPI | FCA | Glacier Park International Airport | KGPI, FCA | Kalispell | 2745 m |
| KGGW | GGW | Wokal Field Glasgow International Airport | KGGW, GGW | Glasgow | 1524 m |
| KGTF | GTF | Great Falls International Airport | KGTF, GTF | Great Falls | 3201 m |
| KHLN | HLN | Helena Regional Airport | KHLN, HLN | Helena | 2743 m |
| KLWT | LWT | Lewistown Municipal Airport | KLWT, LWT | Lewistown | 1707 m |
| KMLS | MLS | Frank Wiley Field | KMLS, MLS | Miles City | 1731 m |
| KMSO | MSO | Missoula International Airport | KMSO, MSO | Missoula | 1406 m |