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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 March , April 2026

28 Mar - 30 Apr $ 252.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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07 Mar - 10 Apr $ 740.00
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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07 Mar - 10 Apr $ 761.00
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
CHI
Chicago
WestJet
1 STOPS
YOW
Ottawa
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Last minute flights from Ottawa to Chicago

28 Mar - 31 Mar $ 283.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
Pick dates
24 Mar - 31 Mar $ 321.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
Pick dates
23 Mar - 31 Mar $ 360.00
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
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One-way flights to Chicago from Ottawa

8:40 AM - 11:00 AM
Porter Airlines
1 Stops
4h 10m
YOW - CHI
$ 141
Kiwi
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6:45 AM - 11:40 AM
Porter Airlines
1 Stops
6h 50m
YOW - CHI
$ 342
Kiwi
Pick dates
11:10 AM - 11:10 AM
United Airlines
0 Stops
2h 38m
YOW - CHI
$ 456
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.