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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 April , May 2026

30 Apr - 14 May $ 366.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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09 Apr - 07 May $ 811.00
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
CHI
Chicago
WestJet
2 STOPS
YOW
Ottawa
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09 Apr - 07 May $ 823.00
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

22 Apr - 30 Apr $ 308.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
Pick dates
09 Apr - 30 Apr $ 966.00
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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12 Apr - 30 Apr $ 1,066.00
YOW
Ottawa
WestJet
1 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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One-way flights to Chicago from Ottawa

7:00 AM - 6:39 PM
Frontier Airlines
1 Stops
15h 17m
YOW - CHI
$ 167
Kiwi
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6:45 AM - 11:33 AM
Porter Airlines
1 Stops
6h 58m
YOW - CHI
$ 404
Kiwi
Pick dates
10:44 AM - 10:44 AM
United Airlines
0 Stops
2h 30m
YOW - CHI
$ 1,035
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.