Route Guide
IAD→ICNultra long-haul
Washington Dulles International Airport (Dulles) to Incheon International Airport (Seoul) — 11,173 km, ~12h 55m estimated flight time.
View ICN → IAD insteadAirports on This Route
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Route Overview
IAD to ICN covers a great-circle distance of 11,173 km (6,943 miles), classified as a ultra long-haul route. At typical cruise speed, the estimated flight time is around 12h 55m — actual block time varies by aircraft type, winds and routing. Seoul is 14 hours ahead of Dulles (standard offset, not accounting for daylight saving time). This is an international route between United States and South Korea. Route data indicates this city pair has historically been served nonstop.
Airlines on This Route
DL
Delta Air Lines
United States
Aircraft types on record: 77W, 772
Airline and schedule data comes from historical route records and may not reflect current, seasonal or codeshare-only service. Always confirm live schedules with the airline before booking.