Book a trip from Boston to Phnom Penh with Cathay Pacific , fares from USD1,068

DISCOUNT CODE (OPTIONAL)

Deals on Boston (BOS) to Phnom Penh (KTI) flights

Apr 2026
FromUSD1,805*
Seen 16 hours ago
Round trip/Economy
May 2026
FromUSD1,765*
Seen 19 hours ago
Round trip/Economy
Jun 2026
FromUSD1,987*
Seen 20 hours ago
Round trip/Economy
USD1.8K
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    • RangeUSD1,765-USD3,035

    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

    USD
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    Book flights to Phnom Penh KTI
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		02/10/2026 - 24/10/2026

    From

    USD1,118

    Seen 1 day ago

    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		10/09/2026 - 26/09/2026

    From

    USD1,068

    Seen 21 hours ago

    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		08/10/2026 - 30/10/2026

    From

    USD1,143

    Seen 12 hours ago

    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		12/08/2026 - 23/08/2026

    From

    USD1,459

    Seen 13 hours ago

    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		05/05/2026 - 12/05/2026

    From

    USD1,765

    Seen 19 hours ago

    Book Business Class flights to Phnom Penh - selected offers

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