Washington→IstanbulNonstop Flight TimeIAD–IST

Washington (Washington Dulles International Airport) to Istanbul (Istanbul Airport).

Direct flights from IAD to IST have an estimated flight time of about 11h 20m, based on the 5,212-mile great-circle distance. Our current captured departure sample includes 2-3/day across 1 captured airline, with Turkish Airlines appearing most often in that sample. Captured departure times run from 13:20 to 21:45 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IAD to IST, last seen June 15, 2026. Frequency uses 17 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.