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Cheap flights from Washington (DCA) to Ottawa (YOW)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Washington (DCA) to Ottawa (YOW)

How to find the cheapest flight from Washington (DCA) to Ottawa (YOW)
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How to find the cheapest flight from Washington (DCA) to Ottawa (YOW)
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How to find the cheapest flight from Washington (DCA) to Ottawa (YOW)
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Cheap flights from Washington to Ottawa in September , October 2026

29 Sep - 27 Oct $ 657.00
DCA
Washington
Air Canada
1 STOPS
YOW
Ottawa
YOW
Ottawa
Air Canada
DIRECT
DCA
Washington
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30 Sep - 10 Oct $ 908.00
DCA
Washington
Air Canada
DIRECT
YOW
Ottawa
YOW
Ottawa
Air Canada
1 STOPS
DCA
Washington
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30 Sep - 10 Oct $ 956.00
DCA
Washington
Air Canada
DIRECT
YOW
Ottawa
YOW
Ottawa
Air Canada
DIRECT
DCA
Washington
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Last minute flights from Washington to Ottawa

29 Sep - 30 Sep $ 822.00
DCA
Washington
Air Canada
1 STOPS
YOW
Ottawa
YOW
Ottawa
Air Canada
1 STOPS
DCA
Washington
Pick dates
30 Sep - 30 Sep $ 1,146.00
DCA
Washington
Air Canada
DIRECT
YOW
Ottawa
YOW
Ottawa
Air Canada
1 STOPS
DCA
Washington
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27 Sep - 30 Sep $ 1,253.00
DCA
Washington
United Airlines
DIRECT
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
DCA
Washington
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One-way flights to Ottawa from Washington

11:00 AM - 4:30 PM
WestJet
1 Stops
6h 35m
DCA - YOW
$ 374
Kiwi
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10:30 AM - 1:55 PM
United Airlines
1 Stops
6h 46m
DCA - YOW
$ 575
Kiwi
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12:55 PM - 12:55 PM
United Airlines
0 Stops
1h 32m
DCA - YOW
$ 583
Kiwi
Pick dates

How to find the cheapest flight from Washington (DCA) to Ottawa (YOW)

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