Cheap flights from Kansas City, MO to St. Louis, MO
Flights starting at £36. Choose between United Airlines, Spirit Airlines, or Frontier Airlines to find the best price.
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Tips to know when travelling to St. Louis
Cheapest one-way trip | £144 |
---|---|
Cheapest round-trip | £301 |
Most popular airline | United Airlines |
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The most popular airlines for this route are United Airlines, Spirit Airlines, Frontier Airlines, Alaska Airlines, and Southern Airways Express. Kansas City and St. Louis have 87 direct flights per week.
Check-in for a flight from Kansas City to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Spirit Airlines | NKS | NK | 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 |
Alaska Airlines | ASA | AS | 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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