Cheap flights from St. Louis, MO to Kalispell, MT
Flights starting at $131. Choose between Alaska Airlines, Frontier Airlines, or United Airlines to find the best price.
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Tips to know when travelling to Kalispell
Cheapest one-way trip | $320 |
---|---|
Cheapest round-trip | $523 |
Most popular airline | Alaska Airlines |
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The most popular airlines for this route are Alaska Airlines, Frontier Airlines, United Airlines, Spirit Airlines, and Allegiant Air. St. Louis and Kalispell have 96 direct flights per week.
Check-in for a flight from St. Louis to Kalispell
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 |
United Airlines | UAL | UA | Yes | No |
Spirit Airlines | NKS | NK | 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 |
Weather in Kalispell
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -3°C | -10°C |
February | -2°C | -10°C |
March | 3°C | -5°C |
April | 9°C | -1°C |
May | 16°C | 3°C |
June | 20°C | 7°C |
July | 27°C | 10°C |
August | 26°C | 10°C |
September | 20°C | 6°C |
October | 10°C | 0°C |
November | 1°C | -4°C |
December | -3°C | -9°C |
14 day forecast
Frequently asked questions
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