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Cheap Flights from Chicago to Oulu, FI, Finland - CHI to OUL

When Can I Buy the Cheapest Flight from Chicago to Oulu (CHI to OUL)?

Airlines can adjust prices for plane tickets from Chicago to Oulu based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Airports for Your Route

These pages contain information about the major airports in Chicago and Oulu, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

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Cheap International Flights from Chicago - CHI

FlightsAirlineLowest Price
Chicago to Stockholm American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Malmo, Tap Portugal, United, Virgin Atlantic $689
Chicago to Helsinki American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $693
Chicago to Copenhagen American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Jetairfly, Tap Portugal, United, Virgin Atlantic $599
Chicago to Berlin Aegean, American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Czech, Arkefly, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $810
Chicago to Moscow American, JetBlue, S7, Aeroflot, United $508
Chicago to Oslo American, JetBlue, Norwegian Shuttle, United, Wideroe $779
Chicago to Krakow Aegean, American, Air Berlin, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $651
Chicago to Riga Aegean, American, Air Berlin, Air France, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, United, Air Europa, Virgin Atlantic $745
Chicago to Vilnius American, Air Berlin, Air France, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Adria, KLM, Lufthansa, LOT, Thomas Cook, Austrian, SAS, Brussels, United, Virgin Atlantic $742
Chicago to Lulea American, Air Berlin, Air France, Finnair, British Airways, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SAS, Brussels, United, Virgin Atlantic $1,141
Chicago to St Petersburg American, S7, Aeroflot, Ural, United $617
Chicago to Athens Aegean, American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, Meridiana, KLM, Air Malta, Lufthansa, LOT, Thomas Cook, Austrian, TAROM, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic $646
Chicago to Brussels American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic $815
Chicago to Dusseldorf American, Air Berlin, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $764
Chicago to Rovaniemi American, Air Berlin, Air France, Finnair, British Airways, Iberia, Lufthansa, LOT, Austrian, United $1,687
Chicago to Belgrade American, Air Serbia, United $626
Chicago to Budapest Aegean, American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $586
Chicago to Vienna American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, Meridiana, KLM, Lufthansa, LOT, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $718
Chicago to Prague Aegean, American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $721
Chicago to Tel Aviv - Yafo American, Alaska, El Al, United $697
Chicago to Tallinn Aegean, American, Air Berlin, Air France, Finnair, Alitalia, British Airways, airBaltic, Condor, Aer Lingus, Iberia, Adria, KLM, Lufthansa, LOT, Austrian, SAS, Brussels, Jetairfly, United, Virgin Atlantic $770
Chicago to Edinburgh American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $916
Chicago to Hamburg American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $948
Chicago to Sofia Aegean, American, Air Berlin, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, TAROM, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $478
Chicago to Hyderabad Jet Airways, American, Air India, United $745
Chicago to Venice Aegean, American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Air Dolomiti, Bulgaria Air, Iberia, Meridiana, KLM, Lufthansa, LOT, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $776
Chicago to Kiev American, UIA, United $606
Chicago to Tokyo American, Alaska, JetBlue, Hawaiian, JAL, All Nippon, United $945
Chicago to Bucharest Aegean, American, Air Berlin, Air France, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, Meridiana, KLM, Lufthansa, LOT, Czech, Austrian, TAROM, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic $600
Chicago to Vaasa American, Air Berlin, Air France, Finnair, British Airways, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SAS, Brussels, United Check Dates
Cheap Flights from Chicago to Oulu, FI, Airfare Search for CHI to OUL, Airline One-Way and Roundtrip Schedules