Cheap flights from Oulu, Finland to Chicago, IL
Flights starting at £274. Choose between Finnair, SAS, or Air France to find the best price.
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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 Finnair, SAS, Air France, Frontier Airlines, and Icelandair. Oulu and Chicago have 267 direct flights per week.
Check-in for a flight from Oulu to Chicago
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Finnair | FIN | AY | No | 0 0 |
SAS | SAS | SK | No | 0 0 |
Air France | AFR | AF | No | Opens 30 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Icelandair | ICE | FI | Yes | 0 0 |
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 | 10°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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