Direct flights from Seattle to Seoul
All flights from SEA to ICN non-stop. There are direct flights from Seattle Tacoma International (SEA), Washington, USA to Incheon International Airport (ICN), South Korea with Korean Air, Delta Air Lines and Alaska Airlines. 24 weekly departures are currently scheduled on this route. Departure times range from 00:10 to 13:45 depending on the schedule period. The flight distance is 5232 miles (8418 km). Flight time ranges from 11 hours and 20 minutes to 12 hours and 20 minutes.
Seattle
, USA
Seoul
, Republic of Korea
Airlines with non-stop routes:
Korean Air
Delta Air Lines
Alaska Airlines
Asiana Airlines
Hawaiian Airlines
Flight schedule from Seattle to Seoul with Korean Air
This is a weekly direct flight schedule for Korean Air. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-11-02
Flight schedule from Seattle to Seoul with Delta Air Lines
This is a weekly direct flight schedule for Delta Air Lines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-11-02
Flight schedule from Seattle to Seoul with Alaska Airlines
This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-11-02
Seattle to Seoul scheduled departures
Select a date to see every published non-stop departure between SEA and ICN.
SEA - ICN route facts
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Distance5232 miles (8418 km)
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Flight time11 hours and 20 minutes to 12 hours and 20 minutes
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Airlines Korean Air Delta Alaska Airlines
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Airline alliancesSkyTeam oneworld
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CabinsEconomy Business Premium Economy First
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Hub airportsKorean Air: ICNDelta Air Lines: SEAAlaska Airlines: SEA (Primary hub.)
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Arrival terminalsKorean Air: Terminal 2Delta Air Lines: Terminal 2Alaska Airlines: Terminal 1
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AircraftKorean Air: Boeing 787-10 and Boeing 787-9Delta Air Lines: Airbus A350-900Alaska Airlines: Boeing 787-9
