Book a trip from Seattle to Seoul with Cathay Pacific , fares from USD1,034

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Deals on Seattle (SEA) to Seoul (ICN) flights

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No results available
Apr 2026
FromUSD1,034*
Seen 1 day ago
Round trip/Economy
May 2026
FromUSD1,277*
Seen 1 day ago
Round trip/Economy
USD1.0K
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    • RangeUSD1,034-USD1,898

    Best fares on flights found by others in the last 48 hours. (Please note that some fares may only apply when there are multiple travellers.)

    Book flights to Seoul ICN

    USD
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    Book flights to Seoul ICN
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Seoul (ICN)Round-trip
    /
    Economy    		23/07/2026 - 30/07/2026

    From

    USD1,600

    Seen 13 hours ago

    Seattle (SEA)Seoul (ICN)Round-trip
    /
    Economy    		11/07/2026 - 30/07/2026

    From

    USD1,664

    Seen 20 hours ago

    Seattle (SEA)Seoul (ICN)Round-trip
    /
    Economy    		22/04/2026 - 06/05/2026

    From

    USD1,034

    Seen 1 day ago

    Seattle (SEA)Seoul (ICN)Round-trip
    /
    Economy    		01/05/2026 - 05/05/2026

    From

    USD1,277

    Seen 1 day ago

    Seattle (SEA)Seoul (ICN)Round-trip
    /
    Economy    		10/05/2026 - 24/05/2026

    From

    USD1,402

    Seen 1 day ago

    Book Business Class flights to Seoul - selected offers

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