Cheap flights from Belleville, IL to Chicago, IL
Choose between Allegiant Air, Frontier Airlines, or Spirit Airlines to find the best price
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Tips to know when travelling to Chicago
Most popular airline | Allegiant Air |
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Book your trip to arrive at O Hare International, Chicago Midway International, or Chicago Rockford International. The most popular airlines for this route are Allegiant Air, Frontier Airlines, Spirit Airlines, Sun Country Airlines, and JetBlue Airways. Belleville and Chicago have 149 direct flights per week.
Check-in for a flight from Belleville to Chicago
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | |
Frontier Airlines | FFT | F9 | No | |
Spirit Airlines | NKS | NK | No | |
Sun Country Airlines | SCX | SY | Yes | |
JetBlue Airways | JBU | B6 | No |
Online check-in is not available for these airlines.
Weather in Chicago
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 0°C | -6°C |
February | 0°C | -5°C |
March | 6°C | 0°C |
April | 11°C | 4°C |
May | 17°C | 10°C |
June | 22°C | 16°C |
July | 25°C | 20°C |
August | 25°C | 19°C |
September | 22°C | 16°C |
October | 15°C | 10°C |
November | 8°C | 3°C |
December | 2°C | -1°C |
14 day forecast
Frequently asked questions
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