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Cheap flights from Ottawa (YOW) to Chicago (CHI)

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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 Ottawa (YOW) to Chicago (CHI)

How to find the cheapest flight from Ottawa (YOW) to Chicago (CHI)
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How to find the cheapest flight from Ottawa (YOW) to Chicago (CHI)
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How to find the cheapest flight from Ottawa (YOW) to Chicago (CHI)
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Cheap flights from Ottawa to Chicago in September , October 2026

27 Sep - 25 Oct $ 661.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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28 Sep - 10 Oct $ 1,100.00
YOW
Ottawa
Air Canada
1 STOPS
CHI
Chicago
CHI
Chicago
Air Canada
1 STOPS
YOW
Ottawa
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28 Sep - 10 Oct $ 1,127.00
YOW
Ottawa
Air Canada
1 STOPS
CHI
Chicago
CHI
Chicago
Air Canada
1 STOPS
YOW
Ottawa
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Last minute flights from Ottawa to Chicago

29 Sep - 30 Sep $ 910.00
YOW
Ottawa
WestJet
1 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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28 Sep - 30 Sep $ 1,049.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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27 Sep - 30 Sep $ 1,407.00
YOW
Ottawa
Air Canada
DIRECT
CHI
Chicago
CHI
Chicago
Air Canada
DIRECT
YOW
Ottawa
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One-way flights to Chicago from Ottawa

10:40 AM - 1:45 PM
Porter Airlines
1 Stops
4h 55m
YOW - CHI
$ 481
Kiwi
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6:25 AM - 6:25 AM
United Airlines
0 Stops
2h 19m
YOW - CHI
$ 559
Kiwi
Pick dates
6:25 AM - 6:25 AM
United Airlines
0 Stops
2h 19m
YOW - CHI
$ 559
Kiwi
Pick dates

How to find the cheapest flight from Ottawa (YOW) to Chicago (CHI)

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