United States | ||||
| Destination | Airline | |||
|---|---|---|---|---|
| Chicago O'Hare, IL (ORD) | American Airlines (Direct) United Airlines (Direct) | |||
| Dallas Fort Worth, TX (DFW) | American Airlines (Direct) | |||
| Denver, CO (DEN) | United Airlines (Direct) | |||
| Glasgow, MT (GGW) | Cape Air (Direct) | |||
| Glendive, MT (GDV) | Cape Air (Direct) | |||
| Havre, MT (HVR) | Cape Air (Direct) | |||
| Las Vegas Harry Reid, NV (LAS) | Allegiant Air (Direct) | |||
| Minneapolis/Saint Paul, MN (MSP) | Delta Air Lines (Direct) | |||
| Phoenix Sky Harbor, AZ (PHX) | American Airlines (Direct) | |||
| Phoenix-Mesa Gateway, AZ (AZA) | Allegiant Air (Direct) | |||
| Pittsburgh, PA (PIT) | United Airlines (Non-Direct) | |||
| Portland, OR (PDX) | Alaska Airlines (Direct) | |||
| Salt Lake City, UT (SLC) | Delta Air Lines (Direct) | |||
| Seattle-Tacoma, WA (SEA) | Alaska Airlines (Direct) | |||
| Sidney, MT (SDY) | Cape Air (Direct) | |||
| Syracuse, NY (SYR) | United Airlines (Non-Direct) | |||
| Wolf Point, MT (OLF) | Cape Air (Direct) | |||