Cheap flights from Portland, OR to Belleville, IL
Flights starting at £102. Choose between Allegiant Air, Frontier Airlines, or Alaska Airlines to find the best price.
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The most popular airlines for this route are Allegiant Air, Frontier Airlines, Alaska Airlines, Spirit Airlines, and Sun Country Airlines. Portland and Belleville have 91 direct flights per week.
Check-in for a flight from Portland to Belleville
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 |
Alaska Airlines | ASA | AS | 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 |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Belleville
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 | 23°C | 14°C |
June | 29°C | 19°C |
July | 30°C | 20°C |
August | 29°C | 19°C |
September | 26°C | 16°C |
October | 19°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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Airports near Portland
- Seattle–Tacoma International
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- Roberts Field
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