Book a trip from Seoul to Seattle with Cathay Pacific , fares from KRW1,813,800

PROMOTION CODE (OPTIONAL)

Fly Cathay Pacific from Seoul (ICN) to Seattle (SEA). Enjoy award-winning service, entertainment, and an enhanced menu for Premium Economy and Business class during your flight. Book direct to secure our best fare and join as a Cathay member to earn Status Points or Miles.

When is the best time to fly from Seoul (ICN) to Seattle (SEA)?

Try alternate month or interact with individual days below in order to find offers.
Oct 2026
No results available
Nov 2026
FromKRW1,813,800*
Seen 8 hours ago
Round trip/Economy
Dec 2026
FromKRW2,014,600*
Seen 8 hours ago
Round trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label KRW1.8M
Displaying fares for October-2026
  • ICN–SEA: cmp-view-offers-disclaimer. Find offers
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  • ICN–SEA, 04/11/2026 – 12/11/2026: From KRW2,014,600
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  • ICN–SEA, 05/11/2026 – 12/11/2026: From KRW1,813,800
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  • ICN–SEA, 06/11/2026 – 12/11/2026: From KRW2,014,600
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  • ICN–SEA, 07/11/2026 – 12/11/2026: From KRW1,813,800
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  • ICN–SEA, 08/11/2026 – 12/11/2026: From KRW2,014,600
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  • ICN–SEA, 09/11/2026 – 12/11/2026: From KRW2,014,600
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  • ICN–SEA, 12/11/2026 – 12/11/2026: From KRW2,073,900
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    • RangeKRW1,813,800-KRW2,073,900

    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.

    Travel Destination Facts

    Destination airport(s)
    • Boeing Field (BFI)
    • Kenmore Air Harbor Seaplane Base (LKE)
    • Paine Field Airport (PAE)
    • Seattle/Tacoma International Airport (SEA)
    Aircraft Type

    Boeing 777, Airbus A321neo, Airbus A330 and Airbus A350 aircraft*

    Departure time zone
    GMT+09:00
    Arrival time zone
    GMT-07:00
    Cabin Class

    First class, Business class, Premium Economy, Economy^

    Lowest fare month
    October
    *Aircraft model may vary due to operational requirements. ^Cabin class availability is subject to aircraft configuration. Lowest fare month for flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.

    Explore flight fares from Seoul (ICN) to Seattle (SEA)

    Make flexible bookings with Cathay Pacific and enjoy hassle-free travel when plans change.

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    Explore flight fares from Seoul (ICN) to Seattle (SEA)
    From
    To
    Fare Type
    Dates
    Price
    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		05/11/2026 - 12/11/2026

    From

    KRW1,813,800

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		07/11/2026 - 12/11/2026

    From

    KRW1,813,800

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		26/12/2026 - 31/12/2026

    From

    KRW2,014,600

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		09/11/2026 - 12/11/2026

    From

    KRW2,014,600

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		11/11/2026 - 12/11/2026

    From

    KRW2,014,600

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		10/11/2026 - 12/11/2026

    From

    KRW2,014,600

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		08/11/2026 - 12/11/2026

    From

    KRW2,014,600

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		22/12/2026 - 31/12/2026

    From

    KRW2,014,600

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		23/12/2026 - 31/12/2026

    From

    KRW2,014,600

    Seen 8 hours ago

    Seoul (ICN)Seattle (SEA)Round-trip
    /
    Economy    		24/12/2026 - 31/12/2026

    From

    KRW2,014,600

    Seen 8 hours ago

    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.

    Book Business Class flights to Seattle - selected offers

    Experience refined comfort in our award-winning Business class.

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    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.

    Flights from Seoul ICN to Seattle SEA

    Seattle is the Pacific Northwest’s hub of innovation, culture and business. It’s also surrounded by an abundance of natural beauty including evergreen trees and spectacular mountain views.

    Best of Seattle

    Eat your way through the iconic Pike Place Market. Stroll through Post Alley and stop by the Gum Wall (or even add your own). Venture towards the Seattle Waterfront and take a ride on the Seattle Great Wheel or visit the Seattle Aquarium. Catch the Bainbridge Island Ferry and experience scenic city views from the sea. Take in the gorgeous views at the Space Needle. Explore Seattle’s largest park, Discovery Park. Lunch in vibrant Capitol Hill and grab a coffee at Starbucks Reserve Roastery.

    Seattle travel tips

    Seattle is quite easy to get around. From the various public transport options including the Link Light Rail, King County Metro Transit, Seattle Streetcars, Seattle Center Monorail to the many neighbourhoods made for walking.

    All fares displayed include taxes and carrier-imposed surcharges. All fares, government taxes and fees, and surcharges are subject to change at any time. For ticket cancellations, where applicable, the Hong Kong Passenger Security Charge, the Hong Kong Air Passenger Departure Tax, and the Hong Kong International Airport Construction Fee will be refunded without any administration fees.