Washington→OttawaNonstop Flight TimeIAD–YOW

Washington (Washington Dulles International Airport) to Ottawa (Ottawa Macdonald-Cartier International Airport).

Direct flights from IAD to YOW have an estimated flight time of about 1h 31m, based on the 450-mile great-circle distance. Our current captured departure sample includes 3-4/day across 1 captured airline, with United Airlines appearing most often in that sample. Captured departure times run from 08:18 to 22:10 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IAD to YOW, last seen June 15, 2026. Frequency uses 25 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.