Generally the best time to book Seoul to Seattle flights is two months in advance. And the cheapest days to fly are Tuesdays, Wednesdays, and Saturdays. Sunday is the most expensive.
There are 21 direct flights from Seoul to Seattle.
Korean Air provides 33 of the non-stop flights between Seoul and Seattle.
|Airlines flying this route:||Thai Airways Etihad Airways Delta Air Lines Korean Air Asiana Airlines United Airlines Singapore Airlines|
|Airports in Seoul:||Incheon International Airport Gimpo International Airport|
|Airports in Seattle:||Seattle-Tacoma International Airport King County (Boeing Field) International Airport|
|Average duration of direct flights:||10h7m|