Nonstop flights from Ottawa to Washington
United Airlines flies this route 4 times a day.
YOWOttawa International
449 mi · 28 flights a week
IADWashington Dulles International
When they leave
Ottawa time6:00a7:30pFirst departure 6:00 AM, last 7:30 PM
Two in the morning, 6:00 AM to 10:00 AM, then one afternoon flight at 2:52 PM, then one evening flight at 7:30 PM. Every flight runs daily.
Every flight
Earliest first
Schedules last checked Sep 21, 2026. Times are local.
Flying from Ottawa to Washington
United Airlines is the only airline flying nonstop from Ottawa to Washington, 4 times a day on the CRJ 700 and Embraer 175.
The first arrival in Washington is at 7:43 AM and the last at 9:14 PM. The flight covers 449 miles.
Flying back, Washington to Ottawa has 28 nonstop flights a week. From Ottawa, Ronald Reagan Washington National (DCA) is the other Washington area airport with nonstop flights, 7 a week.
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Schedules as of Oct 9, 2026.