Earn point on your loyalty program!arrow arc left

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

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.
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.

Cheap flights from Washington to Ottawa in July , August 2026

27 Jul - 23 Aug $ 670.00
DCA
Washington
Air Canada
1 STOPS
YOW
Ottawa
YOW
Ottawa
Air Canada
DIRECT
DCA
Washington
Pick dates
31 Jul - 07 Aug $ 832.00
DCA
Washington
Air Canada
1 STOPS
YOW
Ottawa
YOW
Ottawa
Air Canada
1 STOPS
DCA
Washington
Pick dates
31 Jul - 10 Aug $ 964.00
DCA
Washington
Air Canada
DIRECT
YOW
Ottawa
YOW
Ottawa
Air Canada
DIRECT
DCA
Washington
Pick dates

Last minute flights from Washington to Ottawa

27 Jul - 31 Jul $ 945.00
DCA
Washington
Air Canada
1 STOPS
YOW
Ottawa
YOW
Ottawa
Air Canada
1 STOPS
DCA
Washington
Pick dates
31 Jul - 31 Jul $ 1,036.00
DCA
Washington
Air Canada
1 STOPS
YOW
Ottawa
YOW
Ottawa
Air Canada
1 STOPS
DCA
Washington
Pick dates
26 Jul - 31 Jul $ 1,124.00
DCA
Washington
Air Canada
DIRECT
YOW
Ottawa
YOW
Ottawa
Air Canada
DIRECT
DCA
Washington
Pick dates

One-way flights to Ottawa from Washington

2:00 PM - 6:22 PM
United Airlines
1 Stops
7h 35m
DCA - YOW
$ 506
Kiwi
Pick dates
12:40 PM - 12:40 PM
United Airlines
0 Stops
1h 31m
DCA - YOW
$ 507
Kiwi
Pick dates
12:40 PM - 12:40 PM
Air Canada
0 Stops
1h 31m
DCA - YOW
$ 601
Kiwi
Pick dates

How to find the cheapest flight from Washington (DCA) 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 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.