Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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.
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.

Cheap flights from Chicago to Ottawa in October , November 2026

31 Oct - 26 Nov $ 612.00
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
Pick dates
26 Oct - 08 Nov $ 825.00
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
Pick dates
18 Oct - 10 Nov $ 1,129.00
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
Pick dates

Last minute flights from Chicago to Ottawa

28 Oct - 31 Oct $ 638.00
CHI
Chicago
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
CHI
Chicago
Pick dates
26 Oct - 31 Oct $ 1,041.00
CHI
Chicago
Porter Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Porter Airlines
1 STOPS
CHI
Chicago
Pick dates
17 Oct - 31 Oct $ 1,616.00
CHI
Chicago
Air Canada
DIRECT
YOW
Ottawa
YOW
Ottawa
Air Canada
DIRECT
CHI
Chicago
Pick dates

One-way flights to Ottawa from Chicago

11:45 AM - 4:45 PM
Porter Airlines
1 Stops
5h 13m
CHI - YOW
$ 303
Kiwi
Pick dates
12:20 PM - 5:15 PM
Air Transat
1 Stops
4h 54m
CHI - YOW
$ 581
Kiwi
Pick dates
10:57 AM - 10:57 AM
Air Canada
0 Stops
2h 12m
CHI - YOW
$ 648
Kiwi
Pick dates

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

Related info for your journey
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.
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.