Flights from London to Siem Reap from GBP828*

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Book Your London to Siem Reap Flight Within the Next 90 Days

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Mar 2026
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Apr 2026
FromGBP828*
Viewed 18 hours ago
Flight Type Round Trip/Economy Class
May 2026
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    • *Fares and availability are based on round trip searches for 1 passenger (1 adult) in Economy class in the last 48 hours. Fares are inclusive of tax and surcharges, and subject to availability.

    Flight Ticket Prices from London to Siem Reap

    London (LHR)to

    Siem Reap (SAI)
    29/04/2026 - 20/05/2026
    From
    GBP3,961
    Viewed 18 hours ago
    Round-trip
    Business

    London (LHR)to

    Siem Reap (SAI)
    16/02/2027 - 15/03/2027
    From
    GBP3,493
    Viewed 1 day ago
    Round-trip
    Business

    London (LHR)to

    Siem Reap (SAI)
    03/12/2026 - 11/03/2027
    From
    GBP3,707
    Viewed 1 day ago
    Round-trip
    Business

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

    Flight Ticket Prices from London to Siem Reap

    Flight Ticket Prices from London to Siem Reap
    From
    To
    Fare Type
    Dates
    Price
    London (LHR)Siem Reap (SAI)Round-trip
    /
    Economy    		29/04/2026 - 20/05/2026

    From

    GBP828

    Viewed 18 hours ago

    London (LHR)Siem Reap (SAI)Round-trip
    /
    Economy    		16/02/2027 - 15/03/2027

    From

    GBP905

    Viewed 1 day ago

    London (LHR)Siem Reap (SAI)Round-trip
    /
    Economy    		03/12/2026 - 11/03/2027

    From

    GBP945

    Viewed 1 day ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

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