Cheap flights from Flint, MI to St. Louis, MO
Flights starting at $109. Choose between Allegiant Air, Frontier Airlines, or Spirit Airlines to find the best price.
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Tips to know when travelling to St. Louis
Cheapest one-way trip | $188 |
---|---|
Cheapest round-trip | $468 |
Most popular airline | Allegiant Air |
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The most popular airlines for this route are Allegiant Air, Frontier Airlines, Spirit Airlines, Southern Airways Express, and United Airlines. Flint and St. Louis have 22 direct flights per week.
Check-in for a flight from Flint to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | 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 |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Southern Airways Express | FDY | 9X | Yes | No |
United Airlines | UAL | UA | Yes | No |
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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