Washington→GeorgetownNonstop Flight TimeIAD–GCM

Washington (Washington Dulles International Airport) to Georgetown (Owen Roberts International Airport).

Direct flights from IAD to GCM have an estimated flight time of about 3h 26m, based on the 1,378-mile great-circle distance. Our current captured departure sample includes weekly across 1 captured airline, with United Airlines appearing most often in that sample. Captured departure times run from 12:40 to 12:40 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IAD to GCM, last seen June 15, 2026. Frequency uses 1 scheduled departures across 1 observed day; 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.