Book a trip from Phnom Penh to London with Cathay Pacific , fares from USD1,471

PROMOTION CODE (OPTIONAL)

Fly Cathay Pacific from Phnom Penh (KTI) to London (LHR). 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 member to earn Status Points or Miles.

When is the best time to fly from Phnom Penh (KTI) to London (LHR)?

Try alternate month or interact with individual days below in order to find offers.
Aug 2026
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Sep 2026
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Oct 2026
FromUSD1,471*
Seen 14 hours ago
Round trip/Economy
Displaying fares for August-2026
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    • Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.

    Travel Destination Facts

    Destination airport(s)
    • London (All Airports) (LON)
    • Heathrow Airport (LHR)
    • London Luton Airport (LTN)
    • Gatwick Airport (LGW)
    • London City Airport (LCY)
    • Stansted Airport (STN)
    Aircraft Type

    Boeing 777, Airbus A321neo, Airbus A330 and Airbus A350 aircraft*

    Departure time zone
    GMT+07:00
    Arrival time zone
    GMT+01:00
    Cabin Class

    First class, Business class, Premium Economy, Economy^

    Lowest fare month
    October
    *Aircraft model may vary due to operational requirements. ^Cabin class availability is subject to aircraft configuration. Lowest fare month for flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.

    Explore flight fares from Phnom Penh (KTI) to London (LHR)

    Make flexible bookings with Cathay Pacific and enjoy hassle-free travel when plans change.

    USD
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    Explore flight fares from Phnom Penh (KTI) to London (LHR)
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    To
    Fare Type
    Dates
    Price
    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		12/10/2026 - 20/10/2026

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    USD1,471

    Seen 14 hours ago

    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		08/10/2026 - 20/10/2026

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    USD1,471

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    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		09/10/2026 - 20/10/2026

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    USD1,471

    Seen 14 hours ago

    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		10/10/2026 - 20/10/2026

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    USD1,471

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    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		15/10/2026 - 20/10/2026

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    USD1,471

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    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		17/10/2026 - 20/10/2026

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    USD1,471

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    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		07/10/2026 - 20/10/2026

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    USD1,471

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    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		11/10/2026 - 20/10/2026

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    USD1,471

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    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		16/10/2026 - 20/10/2026

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    USD1,471

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    Phnom Penh (KTI)London (LHR)Round-trip
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    Economy    		06/10/2026 - 20/10/2026

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    USD1,471

    Seen 14 hours ago

    Lowest fares on round-trip flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.

    Book Business Class flights to London - selected offers

    Experience refined comfort in our award-winning Business class.

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    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.