
Cheap flights from San Diego to Great Falls from £88
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How much do flights to Great Falls cost?
Key info about flying to Great Falls
Depart from
Arrive to
Average flights per week
Flight distance
Check-in for a flight from San Diego to Great Falls
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Allegiant Air | AAY | G4 | No |
| Frontier Airlines | FFT | F9 | No |
| Alaska Airlines | ASA | AS | No |
| Hawaiian Airlines | HAL | HA | No |
| United Airlines | UAL | UA | No |
Online check-in is not available for these airlines.
Weather in Great Falls
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 0°C | -7°C |
| February | 0°C | -8°C |
| March | 6°C | -3°C |
| April | 11°C | 0°C |
| May | 17°C | 5°C |
| June | 22°C | 9°C |
| July | 29°C | 14°C |
| August | 28°C | 14°C |
| September | 23°C | 10°C |
| October | 13°C | 2°C |
| November | 5°C | -3°C |
| December | 0°C | -7°C |
14 day forecast
Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to Great Falls. The most popular airlines for this route are Allegiant Air, Frontier Airlines, Alaska Airlines, Hawaiian Airlines, and United Airlines. San Diego and Great Falls have 63 direct flights per week.
Frequently asked questions
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