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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 July , August 2026

31 Jul - 14 Aug $ 759.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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31 Jul - 08 Aug $ 907.00
YOW
Ottawa
WestJet
1 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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31 Jul - 09 Aug $ 940.00
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

27 Jul - 31 Jul $ 991.00
YOW
Ottawa
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
1 STOPS
YOW
Ottawa
Pick dates
27 Jul - 31 Jul $ 991.00
YOW
Ottawa
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
1 STOPS
YOW
Ottawa
Pick dates
27 Jul - 31 Jul $ 1,055.00
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

10:44 AM - 10:44 AM
United Airlines
0 Stops
2h 27m
YOW - CHI
$ 487
Kiwi
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6:25 AM - 6:25 AM
United Airlines
0 Stops
2h 20m
YOW - CHI
$ 488
Kiwi
Pick dates
6:25 AM - 6:25 AM
Air Canada
0 Stops
2h 20m
YOW - CHI
$ 519
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.