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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 May , June 2026

31 May - 01 Jun $ 547.00
DCA
Washington
United Airlines
DIRECT
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
DCA
Washington
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22 May - 01 Jun $ 1,027.00
DCA
Washington
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
DCA
Washington
Pick dates
24 May - 10 Jun $ 1,107.00
DCA
Washington
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
DCA
Washington
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Last minute flights from Washington to Ottawa

29 May - 31 May $ 622.00
DCA
Washington
United Airlines
DIRECT
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
DCA
Washington
Pick dates
17 May - 31 May $ 844.00
DCA
Washington
United Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
DCA
Washington
Pick dates
17 May - 31 May $ 1,460.00
DCA
Washington
United Airlines
DIRECT
YOW
Ottawa
YOW
Ottawa
United Airlines
DIRECT
DCA
Washington
Pick dates

One-way flights to Ottawa from Washington

1:00 PM - 3:00 PM
United Airlines
1 Stops
3h 38m
DCA - YOW
$ 230
Kiwi
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12:45 PM - 12:45 PM
United Airlines
0 Stops
1h 32m
DCA - YOW
$ 487
Kiwi
Pick dates
4:30 PM - 8:24 PM
United Airlines
1 Stops
5h 35m
DCA - YOW
$ 487
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.