Ottawa (YOW) to Washington (DCA) flights
One airline flies nonstop from Ottawa (YOW) to Washington (DCA): Air Canada. The two airports are 452 miles (728 km) apart. Air Canada is in Star Alliance. There are also 5 ways to fly it with one stop, through New York, Montreal and Toronto and more.
Airlines flying nonstop from YOW to DCA
- Air CanadaStar Alliance · bookable with 12 programsWho books it
Book YOW to DCA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Air Canada
- Air New Zealand AirpointsBooks Air Canada
- ANA Mileage ClubBooks Air Canada
- Avianca LifeMilesBooks Air Canada
- Emirates SkywardsBooks Air Canada
- EVA Air Infinity MileageLandsBooks Air Canada
- Lufthansa Miles & MoreBooks Air Canada
- Singapore Airlines KrisFlyerBooks Air Canada
- TAP Miles&GoBooks Air Canada
- Thai Royal Orchid PlusBooks Air Canada
- Turkish Airlines Miles&SmilesBooks Air Canada
- United MileagePlusBooks Air Canada
YOW to DCA with one stop
5 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via New York (EWR)United Airlines the whole way
- Via Montreal (YUL)Air Canada the whole way
PP - Via Toronto (YYZ)Air Canada the whole way
- Via Boston (BOS)Porter Airlines, then American Airlines, JetBlue Airways and 1 more
- Via Chicago (ORD)United Airlines the whole way
YOW to DCA: common questions
Which airlines fly nonstop from YOW to DCA?
Air Canada (Star Alliance) flies nonstop from Ottawa (YOW) to Washington (DCA).
How far is Ottawa from Washington by plane?
Ottawa (YOW) and Washington (DCA) are 452 miles (728 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book YOW to DCA award flights?
12 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 4 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does YOW to DCA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for YOW to DCA with taxes and fees.
Where can I connect between Ottawa and Washington?
The most direct connections are through New York (EWR), Montreal (YUL), Toronto (YYZ), Boston (BOS) and Chicago (ORD). On 4 of them the same airline flies both flights, for example United Airlines through New York.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.