Nonstop flights from Washington to Seoul
2 airlines fly this route, with up to 2 flights a day.
IADWashington Dulles International
6,944 mi · 11 flights a week
ICNSeoul Incheon International
When they leave
Washington time1:20p1:30pFirst departure 1:20 PM, last 1:30 PM
Two in the afternoon, 1:20 PM to 1:30 PM.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Washington to Seoul
Korean Air flies most often, daily on the Boeing 777. Air Premia flies 4 times a week on the Boeing 787.
There are 1 or 2 flights every day of the week. The first arrival in Seoul is at 5:40 PM and the last at 5:55 PM. The flight covers 6,944 miles.
Flying back, Seoul to Washington has 11 nonstop flights a week.
Return flights
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Find the cheapest day to fly from Washington to Seoul.
Schedules as of Oct 9, 2026.