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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 August , September 2026

29 Aug - 12 Sep $ 470.00
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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28 Aug - 10 Sep $ 587.00
YOW
Ottawa
WestJet
1 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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27 Aug - 09 Sep $ 1,050.00
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

30 Aug - 31 Aug $ 724.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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28 Aug - 31 Aug $ 803.00
YOW
Ottawa
Air Canada
1 STOPS
CHI
Chicago
CHI
Chicago
Air Canada
1 STOPS
YOW
Ottawa
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28 Aug - 31 Aug $ 953.00
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

7:00 AM - 9:44 PM
Frontier Airlines
2 Stops
16h 47m
YOW - CHI
$ 290
Kiwi
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7:20 AM - 12:00 PM
WestJet
1 Stops
10h 20m
YOW - CHI
$ 392
Kiwi
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6:25 AM - 6:25 AM
United Airlines
0 Stops
2h 19m
YOW - CHI
$ 504
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.