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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 May , June 2026

31 May - 02 Jun $ 517.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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25 May - 07 Jun $ 865.00
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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26 May - 03 Jun $ 1,180.00
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
CHI
Chicago
WestJet
2 STOPS
YOW
Ottawa
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Last minute flights from Ottawa to Chicago

28 May - 31 May $ 609.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
Pick dates
24 May - 31 May $ 876.00
YOW
Ottawa
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
YOW
Ottawa
Pick dates
24 May - 31 May $ 876.00
YOW
Ottawa
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
YOW
Ottawa
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One-way flights to Chicago from Ottawa

8:40 AM - 1:15 PM
Porter Airlines
1 Stops
6h 37m
YOW - CHI
$ 315
Kiwi
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8:40 AM - 1:15 PM
Porter Airlines
1 Stops
6h 37m
YOW - CHI
$ 368
Kiwi
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6:25 AM - 6:25 AM
United Airlines
0 Stops
2h 20m
YOW - CHI
$ 484
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.