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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 September , October 2026

30 Sep - 14 Oct $ 1,319.00
CHI
Chicago
SAS
2 STOPS
OUL
Oulu
OUL
Oulu
SAS
2 STOPS
CHI
Chicago
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30 Sep - 14 Oct $ 1,328.00
CHI
Chicago
SAS
2 STOPS
OUL
Oulu
OUL
Oulu
SAS
2 STOPS
CHI
Chicago
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29 Sep - 27 Oct $ 1,357.00
CHI
Chicago
SAS
2 STOPS
OUL
Oulu
OUL
Oulu
SAS
2 STOPS
CHI
Chicago
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Last minute flights from Chicago to Oulu

27 Sep - 01 Oct $ 1,613.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
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27 Sep - 01 Oct $ 1,702.00
CHI
Chicago
Icelandair
2 STOPS
OUL
Oulu
OUL
Oulu
Icelandair
2 STOPS
CHI
Chicago
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27 Sep - 01 Oct $ 1,819.00
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

9:30 PM - 11:45 PM
airBaltic
3 Stops
19h 55m
CHI - OUL
$ 747
Kiwi
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9:30 PM - 10:50 PM
Finnair
1 Stops
18h 20m
CHI - OUL
$ 855
Kiwi
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9:30 PM - 3:55 PM
Finnair
1 Stops
11h 25m
CHI - OUL
$ 914
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.