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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 August , September 2026

29 Aug - 19 Sep $ 598.00
DCA
Washington
Air Canada
1 STOPS
YOW
Ottawa
YOW
Ottawa
Air Canada
DIRECT
DCA
Washington
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28 Aug - 10 Sep $ 733.00
DCA
Washington
Air Canada
1 STOPS
YOW
Ottawa
YOW
Ottawa
Air Canada
1 STOPS
DCA
Washington
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22 Aug - 09 Sep $ 834.00
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

27 Aug - 31 Aug $ 782.00
DCA
Washington
United Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
DCA
Washington
Pick dates
27 Aug - 31 Aug $ 782.00
DCA
Washington
United Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
DCA
Washington
Pick dates
24 Aug - 31 Aug $ 939.00
DCA
Washington
United Airlines
DIRECT
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
DCA
Washington
Pick dates

One-way flights to Ottawa from Washington

6:55 PM - 11:15 PM
WestJet
1 Stops
5h 25m
DCA - YOW
$ 366
Kiwi
Pick dates
5:55 PM - 7:30 AM
United Airlines
1 Stops
15h 16m
DCA - YOW
$ 411
Kiwi
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12:40 PM - 12:40 PM
United Airlines
0 Stops
1h 31m
DCA - YOW
$ 508
Kiwi
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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.