Cheap flights from Des Moines, IA to St. Louis, MO
Flights starting at $132. Choose between United Airlines, Allegiant Air, or Frontier Airlines to find the best price.
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Tips to know when travelling to St. Louis
Cheapest one-way trip | $132 |
---|---|
Cheapest round-trip | $316 |
Average round-trip | $377 |
Most popular airline | United Airlines |
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The most popular airlines for this route are United Airlines, Allegiant Air, Frontier Airlines, Spirit Airlines, and Southern Airways Express. Des Moines and St. Louis have 72 direct flights per week.
Check-in for a flight from Des Moines to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
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 |
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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Airports near Des Moines
- Eppley Airfield
- Des Moines International
- The Eastern Iowa
- Kirksville Regional
- Southeast Iowa Regional
- Sioux Gateway
- Fort Dodge Regional
- Waterloo Regional
- Mason City Municipal