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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 March , April 2026

30 Mar - 27 Apr $ 779.00
CHI
Chicago
Finnair
3 STOPS
OUL
Oulu
OUL
Oulu
Finnair
3 STOPS
CHI
Chicago
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30 Mar - 29 Apr $ 823.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
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30 Mar - 29 Apr $ 841.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
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Last minute flights from Chicago to Oulu

23 Mar - 01 Apr $ 1,060.00
CHI
Chicago
Air Serbia
3 STOPS
OUL
Oulu
OUL
Oulu
Air Serbia
3 STOPS
CHI
Chicago
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29 Mar - 01 Apr $ 1,069.00
CHI
Chicago
Air Serbia
3 STOPS
OUL
Oulu
OUL
Oulu
Air Serbia
3 STOPS
CHI
Chicago
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29 Mar - 01 Apr $ 1,093.00
CHI
Chicago
Air Serbia
3 STOPS
OUL
Oulu
OUL
Oulu
Air Serbia
3 STOPS
CHI
Chicago
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One-way flights to Oulu from Chicago

7:25 PM - 10:50 PM
Finnair
3 Stops
20h 25m
CHI - OUL
$ 368
Kiwi
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7:25 PM - 8:30 PM
Finnair
3 Stops
18h 10m
CHI - OUL
$ 376
Kiwi
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10:25 PM - 11:45 PM
airBaltic
3 Stops
19h
CHI - OUL
$ 456
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.