| VA | From | Airport | To | Destination | Type | Distance miles | Frequency | Competitors | |
|---|---|---|---|---|---|---|---|---|---|
| AAW | KGTF | Great Falls Intl | PHTO | Hilo Intl | Medium | 2691.7 | 1 | ||
| AAW | KGTF | Great Falls Intl | EGSC | Cambridge | Long | 3870.7 | 0 | ||
| AEU | KGTF | Great Falls Intl | EDDS | Stuttgart | Long | 4256.3 | 0 | ||
| AEU | KGTF | Great Falls Intl | RJGG | Chubu Centrair International | Long | 4654.7 | 1 | ||
| AEU | KGTF | Great Falls Intl | WSSS | Singapore - Changi | Long | 7334.6 | 0 | ||
| AEU | KGTF | Great Falls Intl | EDDF | Frankfurt/Main | Long | 4177.2 | 0 | ||
| AEU | KGTF | Great Falls Intl | MWCB | Cayman Brac - Gerrard-Smith Intl | Medium | 2263.7 | 1 | ||
| CFC | KGTF | Great Falls Intl | KBIL | Billings Logan Intl | Local | 153.8 | 3 | ||
| CFC | KGTF | Great Falls Intl | KDEN | Denver Intl | Regional | 541.3 | 2 | ||
| CFC | KGTF | Great Falls Intl | KSEA | Seattle-Tacoma Intl | Local | 443.3 | 4 | ||
| CFC | KGTF | Great Falls Intl | KORD | Chicago-OHare Intl | Medium | 1048.6 | 2 | ||
| NAE | KGTF | Great Falls Intl | KCPR | Casper - Natrona Co Intl | Local | 343.9 | 0 | ||
| SAA | KGTF | Great Falls Intl | KORD | Chicago-OHare Intl | Medium | 1048.6 | 1 |