Cheap flights from Ontario, CA to Springfield, IL
Flights starting at £108. Choose between Allegiant Air, Frontier Airlines, or Sun Country Airlines to find the best price.
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Travelers usually depart from Ontario International, or Montclair (Ontario) when they travel from Ontario to Springfield. The most popular airlines for this route are Allegiant Air, Frontier Airlines, Sun Country Airlines, Spirit Airlines, and JetBlue Airways. Ontario and Springfield have 18 direct flights per week.
Check-in for a flight from Ontario to Springfield
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 |
Sun Country Airlines | SCX | SY | Yes | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in Springfield
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 1°C | -5°C |
February | 3°C | -4°C |
March | 11°C | 2°C |
April | 16°C | 7°C |
May | 22°C | 13°C |
June | 27°C | 18°C |
July | 28°C | 19°C |
August | 28°C | 18°C |
September | 25°C | 15°C |
October | 18°C | 9°C |
November | 10°C | 2°C |
December | 5°C | -1°C |
14 day forecast
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Flights to Springfield
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