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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 January , February 2026

26 Jan - 15 Feb $ 638.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
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25 Jan - 01 Feb $ 678.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
Pick dates
27 Jan - 03 Feb $ 691.00
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

25 Jan - 31 Jan $ 693.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
Pick dates
25 Jan - 31 Jan $ 702.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
Pick dates
27 Jan - 31 Jan $ 716.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
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One-way flights to Oulu from Chicago

6:30 PM - 8:25 PM
Finnair
3 Stops
19h
CHI - OUL
$ 358
Kiwi
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6:30 PM - 6:50 PM
Finnair
3 Stops
17h 30m
CHI - OUL
$ 358
Kiwi
Pick dates
6:30 PM - 7:50 PM
Finnair
3 Stops
18h 45m
CHI - OUL
$ 358
Kiwi
Pick dates

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.