Washington (IAD) to Ottawa (YOW) flights
Nonstop from Washington Dulles International to Ottawa Macdonald-Cartier International Airport: distance, flying time, which airlines fly it and how often.
Distance
724km
450 mi, great circle
Flying time
1h 37m
typical, gate to gate
Flights a day
2.3
average, November 2026
Airlines
1
passenger airlines
Airlines flying IAD to YOW
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare IAD to YOW fares by month.
Both directions
- Ottawa Macdonald-Cartier International Airport (YOW) · we don't have YOW's route list yet
- All nonstop routes from Washington (IAD)
- IAD to YOW on the flight-path tool
Frequently asked questions
How long is the flight from Washington to Ottawa?
About 1h 37m gate to gate for the 724 km (450 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from IAD to YOW?
United Airlines, with about 2.3 flights a day between them in our data (AeroDataBox, November 2026).