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

Cheap flight offers from Seattle to Seoul Incheon

sorted by price and recency
  1. –
    China Airlines
    –
    SEA–ICN
    1 stopover
    China Airlines
    –
    ICN–SEA
    1 stopover
    €950
  2. –
    Cathay Pacific Airways
    –
    SEA–ICN
    1 stopover
    Cathay Pacific Airways
    –
    ICN–SEA
    1 stopover
    €943
  3. –
    Cathay Pacific Airways
    –
    SEA–ICN
    2 stopovers
    Cathay Pacific Airways
    –
    ICN–SEA
    1 stopover
    €921
  4. –
    Alaska Airlines
    –
    SEA–ICN
    2 stopovers
    Finnair
    –
    ICN–SEA
    2 stopovers
    €1,645
  5. –
    Emirates Airline
    –
    SEA–ICN
    1 stopover
    Emirates Airline
    –
    ICN–SEA
    1 stopover
    €1,599
  6. –
    Alaska Airlines
    –
    SEA–ICN
    2 stopovers
    Trinity Airways
    –
    ICN–SEA
    1 stopover
    €1,455

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 flightsSEA–ICN · 5 of 5
fromto
dep.arr.
durationstopovers
  1. November 8 – 14, 2026
  2. November 15 – 21, 2026
  3. November 22 – 28, 2026
    1. SEAICN
      nonstop
      1. Korean Air
    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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