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Route overview: Seattle to Seoul (ICN) flight deals

Seattle (SEA) to Seoul (ICN), Dec 8, 2026: round trips from $1,020, one way from $620

Seattle (SEA) to Seoul (ICN), Dec 8, 2026: round trips from $1,020, one way from $620 on Axel, checked Oct 29, 2026. Lowest published fares: $1,020 round trip, Axel-exclusive, United Airlines, 1 stop, Dec 8–10, 2026; $620 one way, Axel-exclusive, United Airlines, 1 stop, Dec 8, 2026; 1 adult, economy, checked Oct 29, 2026.

SEA → ICN1 adulteconomyOne way and round trips

32 flight options · 2 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

December 2026

Flights for your trip

  1. Tue, Dec 8 · One way

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Tue, Dec 8 · One way

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  3. Tue, Dec 8 – Thu, Dec 10

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  4. Tue, Dec 8 – Thu, Dec 10

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  5. Tue, Dec 8 – Fri, Dec 11

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  6. Tue, Dec 8 – Fri, Dec 11

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  7. Tue, Dec 8 – Sat, Dec 12

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  8. Tue, Dec 8 – Sat, Dec 12

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    10h 10m
    Nonstop
    1:10 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  9. Tue, Dec 8 – Mon, Dec 14

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  10. Tue, Dec 8 – Mon, Dec 14

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  11. Tue, Dec 8 – Tue, Dec 15

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  12. Tue, Dec 8 – Tue, Dec 15

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  13. Tue, Dec 8 – Thu, Dec 17

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  14. Tue, Dec 8 – Thu, Dec 17

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  15. Tue, Dec 8 – Fri, Dec 18

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  16. Tue, Dec 8 – Fri, Dec 18

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  17. Tue, Dec 8 – Sat, Dec 19

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  18. Tue, Dec 8 – Sat, Dec 19

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    10h 10m
    Nonstop
    1:10 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  19. Tue, Dec 8 – Mon, Dec 21

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  20. Tue, Dec 8 – Mon, Dec 21

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  21. Tue, Dec 8 – Tue, Dec 22

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  22. Tue, Dec 8 – Tue, Dec 22

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  23. Tue, Dec 8 – Tue, Jan 5

    United Airlines
    7:30 pmSEA
    16h 40m
    SFO · 1h 18m
    5:10 am+2ICN
    United Airlines
    6:00 pmICN
    15h 22m
    SFO · 2h 20m
    4:22 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  24. Tue, Dec 8 – Tue, Jan 5

    Alaska Airlines
    12:40 pmSEA
    11h 55m
    Nonstop
    5:35 pm+1ICN
    Alaska Airlines
    8:00 pmICN
    9h 55m
    Nonstop
    12:55 pmSEA

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

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1 of 24

Make this trip yours

SEA ⇄ ICN

Economy

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Explore this route

All dates for this routeDec 7, 2026 · Return optionsDec 9, 2026 · Return optionsHotels in Incheon with Axel
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Seattle (SEA) to Seoul (ICN), Dec 8, 2026: round trips from $1,020, one way from $620 on Axel, checked Oct 29, 2026. Lowest published fares: $1,020 round trip, Axel-exclusive, United Airlines, 1 stop, Dec 8–10, 2026; $620 one way, Axel-exclusive, United Airlines, 1 stop, Dec 8, 2026; 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown.

Date links open published trip details for exploration. Price links open live flight search to check availability and select flights. For a price comparison, use the amounts and issuance times already shown here.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2026-12-08 · one wayAlaska AirlinesAS11912:40:00→17:35:00 11h 55m nonstopAxel-exclusive $650.002026-10-29T01:15:29Z
2026-12-08 · one wayUnited AirlinesUA737 + OZ21119:30:00→05:10:00 16h 40m 1 stop via SFOAxel-exclusive $620.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-10Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-10United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-11Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-11United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-12Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→13:10:00 10h 10m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-12United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-13Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-13United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-14Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-14United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-15Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-15United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-16Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→13:10:00 10h 10m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-16United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-17Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-17United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-18Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1215.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-18United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1147.502026-10-29T01:15:29Z
2026-12-08 → 2026-12-19Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→13:10:00 10h 10m nonstopAxel-exclusive $1215.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-19United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1147.502026-10-29T01:15:29Z
2026-12-08 → 2026-12-20Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1215.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-20United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1147.502026-10-29T01:15:29Z
2026-12-08 → 2026-12-21Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1215.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-21United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1147.502026-10-29T01:15:29Z
2026-12-08 → 2026-12-22Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1215.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-22United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1147.502026-10-29T01:15:29Z
2026-12-08 → 2026-12-29Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1215.002026-10-29T01:15:29Z
2026-12-08 → 2026-12-29United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1147.502026-10-29T01:15:29Z
2026-12-08 → 2027-01-05Alaska AirlinesAS119 / AS12012:40:00→17:35:00 11h 55m nonstop · 20:00:00→12:55:00 9h 55m nonstopAxel-exclusive $1080.002026-10-29T01:15:29Z
2026-12-08 → 2027-01-05United AirlinesUA737 + OZ211 / UA892 + UA43319:30:00→05:10:00 16h 40m 1 stop via SFO · 18:00:00→16:22:00 15h 22m 1 stop via SFOAxel-exclusive $1020.002026-10-29T01:15:29Z

Route overview: Seattle to Seoul (ICN) flight deals

2026-12-08 · one way · Axel-exclusive $620.00

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.

2026-12-08 · one way · Axel-exclusive $650.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.

2026-12-08 → 2026-12-10 · Axel-exclusive $1020.00

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-10 18:00:00 → SEA 2026-12-10 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-10 18:00:00 → SFO 2026-12-10 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-10 14:05:00 → SEA 2026-12-10 16:22:00.

2026-12-08 → 2026-12-10 · Axel-exclusive $1080.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-10 20:00:00 → SEA 2026-12-10 12:55:00; nonstop; 595 minutes. Local airport times.

2026-12-08 → 2026-12-11 · Axel-exclusive $1020.00

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-11 18:00:00 → SEA 2026-12-11 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-11 18:00:00 → SFO 2026-12-11 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-11 14:05:00 → SEA 2026-12-11 16:22:00.

2026-12-08 → 2026-12-11 · Axel-exclusive $1080.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-11 20:00:00 → SEA 2026-12-11 12:55:00; nonstop; 595 minutes. Local airport times.

2026-12-08 → 2026-12-12 · Axel-exclusive $1020.00

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-12 18:00:00 → SEA 2026-12-12 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-12 18:00:00 → SFO 2026-12-12 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-12 14:05:00 → SEA 2026-12-12 16:22:00.

2026-12-08 → 2026-12-12 · Axel-exclusive $1080.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-12 20:00:00 → SEA 2026-12-12 13:10:00; nonstop; 610 minutes. Local airport times.

2026-12-08 → 2026-12-14 · Axel-exclusive $1020.00

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-14 18:00:00 → SEA 2026-12-14 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-14 18:00:00 → SFO 2026-12-14 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-14 14:05:00 → SEA 2026-12-14 16:22:00.

2026-12-08 → 2026-12-14 · Axel-exclusive $1080.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-14 20:00:00 → SEA 2026-12-14 12:55:00; nonstop; 595 minutes. Local airport times.

2026-12-08 → 2026-12-15 · Axel-exclusive $1020.00

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-15 18:00:00 → SEA 2026-12-15 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-15 18:00:00 → SFO 2026-12-15 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-15 14:05:00 → SEA 2026-12-15 16:22:00.

2026-12-08 → 2026-12-15 · Axel-exclusive $1080.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-15 20:00:00 → SEA 2026-12-15 12:55:00; nonstop; 595 minutes. Local airport times.

2026-12-08 → 2026-12-17 · Axel-exclusive $1020.00

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-17 18:00:00 → SEA 2026-12-17 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-17 18:00:00 → SFO 2026-12-17 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-17 14:05:00 → SEA 2026-12-17 16:22:00.

2026-12-08 → 2026-12-17 · Axel-exclusive $1080.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-17 20:00:00 → SEA 2026-12-17 12:55:00; nonstop; 595 minutes. Local airport times.

2026-12-08 → 2026-12-18 · Axel-exclusive $1147.50

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-18 18:00:00 → SEA 2026-12-18 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-18 18:00:00 → SFO 2026-12-18 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-18 14:05:00 → SEA 2026-12-18 16:22:00.

2026-12-08 → 2026-12-18 · Axel-exclusive $1215.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-18 20:00:00 → SEA 2026-12-18 12:55:00; nonstop; 595 minutes. Local airport times.

2026-12-08 → 2026-12-19 · Axel-exclusive $1147.50

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-19 18:00:00 → SEA 2026-12-19 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-19 18:00:00 → SFO 2026-12-19 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-19 14:05:00 → SEA 2026-12-19 16:22:00.

2026-12-08 → 2026-12-19 · Axel-exclusive $1215.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-19 20:00:00 → SEA 2026-12-19 13:10:00; nonstop; 610 minutes. Local airport times.

2026-12-08 → 2026-12-21 · Axel-exclusive $1147.50

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-21 18:00:00 → SEA 2026-12-21 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-21 18:00:00 → SFO 2026-12-21 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-21 14:05:00 → SEA 2026-12-21 16:22:00.

2026-12-08 → 2026-12-21 · Axel-exclusive $1215.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-21 20:00:00 → SEA 2026-12-21 12:55:00; nonstop; 595 minutes. Local airport times.

2026-12-08 → 2026-12-22 · Axel-exclusive $1147.50

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2026-12-22 18:00:00 → SEA 2026-12-22 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2026-12-22 18:00:00 → SFO 2026-12-22 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2026-12-22 14:05:00 → SEA 2026-12-22 16:22:00.

2026-12-08 → 2026-12-22 · Axel-exclusive $1215.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2026-12-22 20:00:00 → SEA 2026-12-22 12:55:00; nonstop; 595 minutes. Local airport times.

2026-12-08 → 2027-01-05 · Axel-exclusive $1020.00

  • United Airlines UA737 / OZ211: SEA 2026-12-08 19:30:00 → ICN 2026-12-10 05:10:00; 1 stop(s) via SFO; 1000 minutes. Local airport times.
    • UA737: SEA 2026-12-08 19:30:00 → SFO 2026-12-08 21:42:00; layover at SFO: 78 minutes.
    • OZ211: SFO 2026-12-08 23:00:00 → ICN 2026-12-10 05:10:00.
  • United Airlines UA892 / UA433: ICN 2027-01-05 18:00:00 → SEA 2027-01-05 16:22:00; 1 stop(s) via SFO; 922 minutes. Local airport times.
    • UA892: ICN 2027-01-05 18:00:00 → SFO 2027-01-05 11:45:00; layover at SFO: 140 minutes.
    • UA433: SFO 2027-01-05 14:05:00 → SEA 2027-01-05 16:22:00.

2026-12-08 → 2027-01-05 · Axel-exclusive $1080.00

  • Alaska Airlines AS119: SEA 2026-12-08 12:40:00 → ICN 2026-12-09 17:35:00; nonstop; 715 minutes. Local airport times.
  • Alaska Airlines AS120: ICN 2027-01-05 20:00:00 → SEA 2027-01-05 12:55:00; nonstop; 595 minutes. Local airport times.

Explore this route

For AI assistants

  • This page: Seattle (SEA) to Seoul (ICN) · Dec 8, 2026 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: each row is one exact trip for this departure (both dates with the year, the total and the time its price was issued); its exact-trip price link opens the live search for those dates and travelers, where the booking link and the current total are. Other durations or travelers are not priced here: Choose travelers and dates prices the requested trip.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Seattle to Seoul (ICN) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.