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. October 18 – 24, 2026
  2. October 25 – 31, 2026
  3. November 1 – 7, 2026
    1. SEAICN
      nonstop
      1. Korean Air
    2. SEAICN
      nonstop
      1. Asiana Airlines
    3. SEAICN
      nonstop
      1. Korean Air
    4. SEAICN
      nonstop
      1. Delta Air Lines
    5. SEAICN
      nonstop
      1. Alaska Airlines

      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
      Alternative routes to South Korea
      Alternative flights to Seoul Incheon
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