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Cheap flights from Chicago (CHI) to Ottawa (YOW)

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0 Children (2~11)
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How to find the cheapest flight from Chicago (CHI) to Ottawa (YOW)

How to find the cheapest flight from Chicago (CHI) to Ottawa (YOW)
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How to find the cheapest flight from Chicago (CHI) to Ottawa (YOW)
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How to find the cheapest flight from Chicago (CHI) to Ottawa (YOW)
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Cheap flights from Chicago to Ottawa in May , June 2026

31 May - 18 Jun $ 599.00
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
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27 May - 03 Jun $ 803.00
CHI
Chicago
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
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27 May - 03 Jun $ 989.00
CHI
Chicago
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
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Last minute flights from Chicago to Ottawa

28 May - 01 Jun $ 742.00
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
Pick dates
27 May - 31 May $ 1,018.00
CHI
Chicago
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
CHI
Chicago
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24 May - 31 May $ 1,149.00
CHI
Chicago
United Airlines
DIRECT
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
CHI
Chicago
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One-way flights to Ottawa from Chicago

3:20 PM - 8:45 PM
Porter Airlines
1 Stops
5h 24m
CHI - YOW
$ 292
Kiwi
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7:10 AM - 8:24 PM
United Airlines
1 Stops
13h 55m
CHI - YOW
$ 458
Kiwi
Pick dates
1:55 PM - 1:55 PM
United Airlines
0 Stops
2h 12m
CHI - YOW
$ 551
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Ottawa (YOW)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) to Ottawa (YOW)
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 Chicago (CHI) to Ottawa (YOW)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.