Flight Routes from Seattle Tacoma to Seoul Incheon

Trip type

Our cheapest offers for flights from Seattle Tacoma to Seoul Incheon

Here you can compare cheap flights from Seattle Tacoma (SEA) to Seoul Incheon (ICN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Seoul Incheon. Prices and availability may change at any time.

Flight schedule from Seattle-Tacoma (SEA) to Seoul Incheon (ICN)

Select a travel date in the flight schedule for the route from Seattle-Tacoma (SEA) to Seoul Incheon (ICN) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flights12 of 12
fromto
dep.arr.
durationstopovers
  1. August 9 – 15, 2026
  2. August 16 – 22, 2026
  3. August 23 – 29, 2026
    No flights could be found for the active filters.
    1. SEAICN
      nonstop
      1. Asiana Airlines
    2. SEAICN
      1 stopover
      1. EVA Airways
    3. SEAICN
      1 stopover
      1. United Airlines
    4. SEAICN
      1 stopover
      1. Westjet
    5. SEAICN
      1 stopover
      1. Air Canada
    6. SEAICN
      nonstop
      1. Delta Air Lines
    7. SEAICN
      nonstop
      1. Korean Air
    8. SEAICN
      nonstop
      1. Alaska Airlines
    9. SEAICN
      nonstop
      1. Alaska Airlines
    10. SEAICN
      nonstop
      1. Alaska Airlines
    11. SEAICN
      1 stopover
      1. Emirates Airline
    12. SEAICN
      1 stopover
      1. Westjet

      Tips and tricks to help you find cheap flights from Seattle Tacoma to Seoul Incheon

      Favorite airline: Turkish Airlines
      59 % of flights booked on the route from Seattle-Tacoma to Seoul Incheon are booked with Turkish Airlines, Korean Air and Asiana Airlines.
      Turkish Airlines
      37 %
      Korean Air
      11 %
      Asiana Airlines
      11 %
      Direct flights are more expensive
      Compared to flights with a stopover, direct flights are $178.00 more expensive on this route.
      non stop flight
      1 stop
      2 stops
      11h 25min
      31h 15min
      30h 30min
      1.225 $
      1.047 $
      4.882 $
      Favourite connection: via Istanbul
      When booking flights from Seattle-Tacoma to Seoul Incheon 70 % of travelers prefer to fly via Istanbul.
      Route
      bookings
      1 stopover Istanbul
      31h 15min, from 1.047 $
      70 %
      1 stopover Honolulu International Airport, HI
      19h 25min, from 1.080 $
      20 %
      2 stopovers Tokyo-Narita International Airport Tokyo-Haneda International Airport Fukuoka
      30h 30min, from 4.882 $
      10 %

      Important flight information

      Flight information: Seattle-Tacoma - Seoul Incheon

      Roundtrip from 996,73 $
      Flight duration min. 11:50 / max. 12:14
      Return flight duration min. 09:55/ max. 10:38
      Distance 8382 km
      Flights per week 20
      Departure airport Airport Seattle-Tacoma International Airport, WA (SEA)
      Arrival airport Airport Seoul-Incheon International Airport (ICN)
      Destination country Flights to South Korea
      Departure airport - Destination country Seattle-Tacoma International Airport, WA - South Korea
      Departure airport - City-Code Seattle-Tacoma International Airport, WA - Seoul
      Alternative flights to Seoul Incheon
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