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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 October , November 2026

31 Oct - 17 Nov $ 582.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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27 Oct - 10 Nov $ 718.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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28 Oct - 06 Nov $ 1,125.00
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 Oct - 31 Oct $ 803.00
YOW
Ottawa
Air Canada
1 STOPS
CHI
Chicago
CHI
Chicago
Air Canada
1 STOPS
YOW
Ottawa
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27 Oct - 31 Oct $ 1,087.00
YOW
Ottawa
Air Canada
DIRECT
CHI
Chicago
CHI
Chicago
Air Canada
DIRECT
YOW
Ottawa
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24 Oct - 31 Oct $ 1,278.00
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

7:05 AM - 1:05 PM
Frontier Airlines
1 Stops
9h 32m
YOW - CHI
$ 419
Kiwi
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10:20 AM - 1:15 PM
Porter Airlines
1 Stops
5h
YOW - CHI
$ 511
Kiwi
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6:25 AM - 6:25 AM
Air Canada
0 Stops
2h 19m
YOW - CHI
$ 609
Kiwi
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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.