Book a trip from Seattle to Bangkok with Cathay Pacific , fares from USD1,108

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Deals on Seattle (SEA) to Bangkok (BKK) flights

Try alternate month or interact with individual days below in order to find offers.
May 2026
No results available
Jun 2026
FromUSD1,441*
Seen 15 hours ago
Round trip/Economy
Jul 2026
FromUSD1,654*
Seen 7 hours ago
Round trip/Economy
Displaying fares for May-2026
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    • 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 Bangkok BKK

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    Book flights to Bangkok BKK
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Bangkok (BKK)Round-trip
    /
    Economy    		01/09/2026 - 08/09/2026

    From

    USD1,108

    Seen 19 hours ago

    Seattle (SEA)Bangkok (BKK)Round-trip
    /
    Economy    		08/09/2026 - 20/09/2026

    From

    USD1,108

    Seen 18 hours ago

    Seattle (SEA)Bangkok (BKK)Round-trip
    /
    Economy    		12/09/2026 - 19/09/2026

    From

    USD1,208

    Seen 19 hours ago

    Seattle (SEA)Bangkok (BKK)Round-trip
    /
    Economy    		15/10/2026 - 31/10/2026

    From

    USD1,233

    Seen 17 hours ago

    Seattle (SEA)Bangkok (BKK)Round-trip
    /
    Economy    		28/09/2026 - 03/11/2026

    From

    USD1,183

    Seen 1 day ago

    Book Business Class flights to Bangkok - selected offers

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