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 Delta Air Lines, Korean Air and 2 other airlines. 25 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:
Delta Air Lines
Korean Air
Alaska Airlines
Asiana Airlines
Hawaiian Airlines
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 2026-09-21
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 2026-09-21
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 2026-09-21
Flight schedule from Seattle to Seoul with Asiana Airlines
This is a weekly direct flight schedule for Asiana 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
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 Delta Korean Air Alaska Airlines Asiana
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Airline alliancesSkyTeam oneworld Star Alliance
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CabinsEconomy Premium Economy Business First
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Hub airportsDelta Air Lines: SEAKorean Air: ICNAlaska Airlines: SEA (Primary hub.)
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Arrival terminalsDelta Air Lines: Terminal 2Korean Air: Terminal 2Alaska Airlines: Terminal 1Asiana Airlines: Terminal 2
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AircraftDelta Air Lines: Airbus A350-900Korean Air: Boeing 787-9 and Boeing 787-10Alaska Airlines: Boeing 787-9Asiana Airlines: Boeing 777-200 / 200ER
