Book a trip from Seattle to Phnom Penh with Cathay Pacific , fares from USD923

DISCOUNT CODE (OPTIONAL)

Deals on Seattle (SEA) to Phnom Penh (KTI) flights

Mar 2026
FromUSD1,392*
Seen 1 day ago
Round trip/Economy
Apr 2026
FromUSD1,003*
Seen 11 hours ago
Round trip/Economy
May 2026
FromUSD1,138*
Seen 1 day ago
Round trip/Economy
USD1.3K
Displaying fares for March-2026
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    • RangeUSD1,309-USD1,914

    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 Phnom Penh KTI

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    Book flights to Phnom Penh KTI
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Phnom Penh (KTI)Round-trip
    /
    Economy    		27/04/2026 - 11/05/2026

    From

    USD1,003

    Seen 11 hours ago

    Seattle (SEA)Phnom Penh (KTI)Round-trip
    /
    Economy    		30/04/2026 - 19/05/2026

    From

    USD1,051

    Seen 12 hours ago

    Seattle (SEA)Phnom Penh (KTI)Round-trip
    /
    Economy    		08/04/2026 - 08/05/2026

    From

    USD1,309

    Seen 3 hours ago

    Seattle (SEA)Phnom Penh (KTI)Round-trip
    /
    Economy    		03/05/2026 - 30/05/2026

    From

    USD1,138

    Seen 1 day ago

    Seattle (SEA)Phnom Penh (KTI)Round-trip
    /
    Economy    		31/03/2026 - 12/05/2026

    From

    USD1,392

    Seen 1 day ago

    Book Business Class flights to Phnom Penh - selected offers

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