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Seattle-Tacoma International Airport to Incheon International Airport flight
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Cheap Flights from Seattle-Tacoma International Airport to Incheon International Airport

Search for flights from Seattle to Seoul and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort by: Lowest Price
  • Sort by: Lowest Price
  • Sort by: Earliest Flight
      • SEA07:00
        36h 30m
        2 stops
        ICN11:30
        Seattle - Seoul|Sun, May 26|WestJet
        $509$888
        43% OFF
        43% OFF
        $888$509
      • SEA07:00
        41h 5m
        2 stops
        ICN16:05
        Seattle - Seoul|Tue, Jun 4|WestJet
        $514$888
        42% OFF
        42% OFF
        $888$514
      • SEA06:00
        17h 45m
        1 stop
        ICN15:45
        Seattle - Seoul|Tue, Apr 30|Alaska Airlines
        $532$888
        40% OFF
        40% OFF
        $888$532
      • SEA21:18
        50h 47m
        2 stops
        ICN16:05
        Seattle - Seoul|Mon, Jun 17|Alaska Airlines
        $540
        $540
      • SEA15:25
        32h 40m
        2 stops
        ICN16:05
        Seattle - Seoul|Tue, Jun 4|Alaska Airlines
        $565
        $565
      • SEA22:49
        28h 11m
        2 stops
        ICN19:00
        Seattle - Seoul|Wed, May 1|Alaska Airlines
        $570
        $570
      • SEA07:35
        19h 25m
        1 stop
        ICN19:00
        Seattle - Seoul|Tue, Apr 30|Hawaiian Airlines
        $573
        $573
      • SEA13:50
        34h 15m
        2 stops
        ICN16:05
        Seattle - Seoul|Sat, May 11|WestJet
        $591
        $591
      • SEA15:55
        28h 40m
        2 stops
        ICN12:35
        Seattle - Seoul|Tue, May 7|Alaska Airlines
        $594
        $594
      • SEA07:00
        41h 5m
        2 stops
        ICN16:05
        Seattle - Seoul|Sat, Jun 15|WestJet
        $597
        $597
      • SEA13:00
        3h 5m
        Direct
        ICN14:00
        Seattle - Seoul|Sun, May 5|WestJet
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Seattle-Tacoma International Airport to Incheon International Airport

See which airlines fly from Seattle to Seoul. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

WestJet
From $509
Alaska Airlines
From $532
Frontier Airlines
From $571
Delta Air Lines
From $621
American Airlines
From $622
Japan Airlines
From $635
United Airlines
From $642
EVA Air
From $644
Cathay Pacific
From $741
All Nippon Airways
From $782
ANA airlines
Find more flights and airlines
Flight Schedule from Seattle-Tacoma International Airport to Incheon International Airport

Check the schedule for flights from Seattle to Seoul and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. BR025

    EVA Air

    02:10

    SEA

    12.0h

    05:10

    TPE

    SMTWTFS
    Search

  2. BR160

    EVA Air

    15:15

    TPE

    2.5h

    18:45

    ICN

    SMTWTFS

  3. BR025

    EVA Air

    02:10

    SEA

    12.0h

    05:10

    TPE

    SMTWTFS
    Search

  4. BR170

    EVA Air

    07:30

    TPE

    2.5h

    11:00

    ICN

    SMTWTFS

  5. AS1316

    Alaska Airlines

    06:00

    SEA

    2.8h

    08:45

    LAX

    SMTWTFS
    Search

  6. YP102

    Air Premia

    10:50

    LAX

    12.9h

    15:45

    ICN

    SMT-TFS

  7. HA021

    Hawaiian Airlines

    08:45

    SEA

    6.1h

    11:50

    HNL

    SMTWTFS
    Search

  8. HA459

    Hawaiian Airlines

    14:15

    HNL

    9.8h

    19:00

    ICN

    -M-WTFS

  9. AC8803

    Air Canada

    09:55

    SEA

    1.1h

    10:59

    YVR

    SMTWTFS
    Search

  10. AC063

    Air Canada

    12:30

    YVR

    11.6h

    16:05

    ICN

    SMTWTFS

  11. AS1140

    Alaska Airlines

    15:52

    SEA

    2.1h

    18:01

    SFO

    SMT-TFS
    Search

  12. CX873

    Cathay Pacific

    00:55

    SFO

    14.1h

    06:00

    HKG

    SMT-TFS

  13. CX434

    Cathay Pacific

    07:55

    HKG

    3.7h

    12:35

    ICN

    SMTWTFS

  14. UA737

    United Airlines

    19:42

    SEA

    2.3h

    22:00

    SFO

    SMTWTFS
    Search

  15. CX873

    Cathay Pacific

    00:55

    SFO

    14.1h

    06:00

    HKG

    SMT-TFS

  16. CX410

    Cathay Pacific

    09:25

    HKG

    3.8h

    14:10

    ICN

    SMTWTFS

  17. AS1040

    Alaska Airlines

    21:26

    SEA

    2.5h

    23:58

    ONT

    S--WT-S
    Search

  18. YP102

    Air Premia

    10:50

    LAX

    12.9h

    15:45

    ICN

    SMT-TFS

  19. DL2636

    Delta Air Lines

    21:45

    SEA

    2.8h

    00:34

    LAX

    SMTWTFS
    Search

  20. YP102

    Air Premia

    10:50

    LAX

    12.9h

    15:45

    ICN

    SMT-TFS

  21. AS957

    Alaska Airlines

    22:49

    SEA

    0.9h

    23:44

    PDX

    SMTWTFS
    Search

  22. HA025

    Hawaiian Airlines

    08:40

    PDX

    5.9h

    11:35

    HNL

    SMTWTFS

  23. HA459

    Hawaiian Airlines

    14:15

    HNL

    9.8h

    19:00

    ICN

    -M-WTFS
Find more flights and airlines

Seattle-Tacoma International Airport to Incheon International Airport Flights Info

Flight distance8,385.19km
Cheapest one-way ticket price$508
Cheapest return ticket price$1,030

FAQs for Seattle-Tacoma International Airport to Incheon International Airport Flights

  • How long is a flight from Seattle-Tacoma International Airport to Incheon International Airport?

    It takes around 11 hours 45 minutes to fly from Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN).

  • How many daily flights are there from Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN)?

    There are around 5 daily flights from Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN).

  • When are flight tickets from Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN) the cheapest?

    Tickets cost around $921 in April, making it the cheapest month to book. Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN) most expensive?

    The route from Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN) is quite popular. Without considering departure times or holidays, tickets cost around $1,235 in June, the most expensive month to book this route.

  • What time does the earliest flight from Seattle-Tacoma International Airport to Incheon International Airport depart?

    The earliest flight departs from Seattle-Tacoma International Airport (SEA) at 07:00 and arrives in Incheon International Airport (ICN) at 10:25.

  • What is the transportation method from the main airport to downtown in Seoul?

    • The distance from Incheon International Airport to downtown is about 48km. It takes about 1 hour by taxi.
    • The distance from Gimpo International Airport to downtown is about 15km. It takes about 30 minutes by taxi.

  • Which airline operates the most direct flights from Seattle-Tacoma International Airport (SEA) to Incheon International Airport (ICN)?

    Korean Air is a very popular airline operating an average of 2177 flights per month.

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