Flight Routes from Seattle Tacoma to Seoul Incheon

Compare cheap outbound and return flights from Seattle-Tacoma (SEA) to Seoul Incheon (ICN) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€921
Fastest outbound flight
Fastest inbound flight
non-stop flights
20x / week
Flight distance
8,382 km
Time difference

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
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Matching outbound flightsSEA–ICN · 5 of 5
fromto
dep.arr.
durationstopovers
  1. Sep 27 – Oct 3, 2026
  2. October 4 – 10, 2026
  3. October 11 – 17, 2026
    1. SEAICN
      nonstop
      1. Asiana Airlines
    2. SEAICN
      nonstop
      1. Korean Air
    3. SEAICN
      nonstop
      1. Delta Air Lines
    4. SEAICN
      nonstop
      1. Alaska Airlines
    5. SEAICN
      1 stopover
      1. Emirates Airline

      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

      Discover more flights around Seattle-Tacoma and Seoul Incheon

      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
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      Alternative flights to Seoul Incheon
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