Cheap flights from St. Louis, MO to Great Falls, MT
Flights starting at £133. Choose between Alaska Airlines, Frontier Airlines, or Allegiant Air to find the best price.
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Tips to know when travelling to Great Falls
Cheapest one-way trip | £309 |
---|---|
Cheapest round-trip | £467 |
Most popular airline | Alaska Airlines |
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The most popular airlines for this route are Alaska Airlines, Frontier Airlines, Allegiant Air, United Airlines, and Southern Airways Express. St. Louis and Great Falls have 37 direct flights per week.
Check-in for a flight from St. Louis to Great Falls
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Southern Airways Express | FDY | 9X | Yes | No |
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 | 22°C | 9°C |
October | 13°C | 2°C |
November | 5°C | -3°C |
December | 0°C | -7°C |
14 day forecast
Frequently asked questions
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