Cheap flights from Seattle, WA to Springfield, IL
Flights starting at $138. Choose between BREEZE, Alaska Airlines, or Frontier Airlines to find the best price.
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Springfield. The most popular airlines for this route are BREEZE, Alaska Airlines, Frontier Airlines, Allegiant Air, and Spirit Airlines. Seattle and Springfield have 56 direct flights per week.
Check-in for a flight from Seattle to Springfield
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
BREEZE | MX | No | No | |
Alaska Airlines | ASA | AS | 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 |
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 |
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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