Book a trip from Boston to Phnom Penh with Cathay Pacific , fares from USD1,075

DISCOUNT CODE (OPTIONAL)

Fly Cathay Pacific from Boston (BOS) to Phnom Penh (KTI). 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 Pacific Member to earn Status Points or Miles.

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

May 2026
FromUSD2,030*
Seen 1 day ago
Round trip/Economy
Jun 2026
FromUSD1,891*
Seen 1 day ago
Round trip/Economy
Jul 2026
FromUSD1,941*
Seen 1 day ago
Round trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD1.9K
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    • RangeUSD1,891-USD2,030

    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
    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		30/09/2026 - 16/10/2026

    From

    USD1,075

    Seen 23 hours ago

    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		18/08/2026 - 10/09/2026

    From

    USD1,075

    Seen 11 hours ago

    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		22/10/2026 - 12/11/2026

    From

    USD1,089

    Seen 1 day ago

    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		11/11/2026 - 30/11/2026

    From

    USD1,089

    Seen 1 day ago

    Boston (BOS)Phnom Penh (KTI)Round-trip
    /
    Economy    		01/10/2026 - 08/10/2026

    From

    USD1,089

    Seen 3 hours ago

    Book Business Class flights to Phnom Penh - selected offers

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    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.