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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 August , September 2026

31 Aug - 22 Sep $ 1,202.00
CHI
Chicago
Finnair
3 STOPS
OUL
Oulu
OUL
Oulu
Finnair
2 STOPS
CHI
Chicago
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24 Aug - 22 Sep $ 1,217.00
CHI
Chicago
Finnair
3 STOPS
OUL
Oulu
OUL
Oulu
Finnair
2 STOPS
CHI
Chicago
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24 Aug - 05 Sep $ 1,226.00
CHI
Chicago
Icelandair
3 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
3 STOPS
CHI
Chicago
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Last minute flights from Chicago to Oulu

24 Aug - 31 Aug $ 1,239.00
CHI
Chicago
Icelandair
3 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
3 STOPS
CHI
Chicago
Pick dates
24 Aug - 31 Aug $ 1,244.00
CHI
Chicago
Icelandair
3 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
3 STOPS
CHI
Chicago
Pick dates
24 Aug - 31 Aug $ 1,256.00
CHI
Chicago
Icelandair
3 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
3 STOPS
CHI
Chicago
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One-way flights to Oulu from Chicago

10:25 PM - 11:55 PM
Finnair
3 Stops
18h 35m
CHI - OUL
$ 541
Kiwi
Pick dates
10:25 PM - 11:55 PM
Finnair
3 Stops
18h 35m
CHI - OUL
$ 550
Kiwi
Pick dates
10:25 PM - 8:30 PM
Finnair
3 Stops
15h 10m
CHI - OUL
$ 553
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.