Cheap flights from Thief River Falls, MN to St. Louis, MO
Choose between Key Lime Air, Frontier Airlines, or Sun Country Airlines to find the best price
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Tips to know when travelling to St. Louis
Most popular airline | Key Lime Air |
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The most popular airlines for this route are Key Lime Air, Frontier Airlines, Sun Country Airlines, and Alaska Airlines. Thief River Falls and St. Louis have 17 direct flights per week.
Check-in for a flight from Thief River Falls to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Key Lime Air | LYM | KG | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in St. Louis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -3°C |
February | 6°C | -2°C |
March | 13°C | 3°C |
April | 18°C | 8°C |
May | 24°C | 14°C |
June | 29°C | 19°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 27°C | 16°C |
October | 20°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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Flights from Thief River Falls
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Flights to St. Louis
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