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Cheap flights from Chicago (CHI) to Oulu (OUL)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Chicago (CHI) to Oulu (OUL)

How to find the cheapest flight from Chicago (CHI) to Oulu (OUL)
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How to find the cheapest flight from Chicago (CHI) to Oulu (OUL)
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How to find the cheapest flight from Chicago (CHI) to Oulu (OUL)
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Cheap flights from Chicago to Oulu in May , June 2026

24 May - 02 Jun $ 1,354.00
CHI
Chicago
Lufthansa
2 STOPS
OUL
Oulu
OUL
Oulu
Lufthansa
2 STOPS
CHI
Chicago
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24 May - 02 Jun $ 1,355.00
CHI
Chicago
Lufthansa
2 STOPS
OUL
Oulu
OUL
Oulu
Lufthansa
2 STOPS
CHI
Chicago
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24 May - 02 Jun $ 1,423.00
CHI
Chicago
Lufthansa
2 STOPS
OUL
Oulu
OUL
Oulu
Lufthansa
2 STOPS
CHI
Chicago
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Last minute flights from Chicago to Oulu

25 May - 01 Jun $ 1,217.00
CHI
Chicago
Air France
2 STOPS
OUL
Oulu
OUL
Oulu
Air France
2 STOPS
CHI
Chicago
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24 May - 01 Jun $ 1,428.00
CHI
Chicago
Lufthansa
2 STOPS
OUL
Oulu
OUL
Oulu
Lufthansa
2 STOPS
CHI
Chicago
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24 May - 01 Jun $ 1,429.00
CHI
Chicago
Lufthansa
2 STOPS
OUL
Oulu
OUL
Oulu
Lufthansa
2 STOPS
CHI
Chicago
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One-way flights to Oulu from Chicago

6:07 AM - 2:30 PM
Finnair
3 Stops
25h 23m
CHI - OUL
$ 713
Kiwi
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4:20 PM - 3:55 PM
Finnair
3 Stops
16h 35m
CHI - OUL
$ 780
Kiwi
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4:20 PM - 3:45 PM
Finnair
3 Stops
16h 30m
CHI - OUL
$ 787
Kiwi
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How to find the cheapest flight from Chicago (CHI) to Oulu (OUL)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) to Oulu (OUL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Oulu (OUL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.