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