Cheap flights from St. Louis, MO to Peoria, IL
Flights starting at $97. Choose between Allegiant Air, Spirit Airlines, or Frontier Airlines to find the best price.
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The most popular airlines for this route are Allegiant Air, Spirit Airlines, Frontier Airlines, United Airlines, and Southern Airways Express. St. Louis and Peoria have 26 direct flights per week.
Check-in for a flight from St. Louis to Peoria
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 |
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 |
United Airlines | UAL | UA | Yes | No |
Southern Airways Express | FDY | 9X | Yes | No |
Weather in Peoria
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 0°C | -7°C |
February | 2°C | -5°C |
March | 10°C | 1°C |
April | 15°C | 6°C |
May | 22°C | 12°C |
June | 27°C | 17°C |
July | 28°C | 19°C |
August | 28°C | 18°C |
September | 25°C | 14°C |
October | 17°C | 8°C |
November | 9°C | 1°C |
December | 3°C | -2°C |
14 day forecast
Frequently asked questions
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Airports near St. Louis
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