Book a trip from Phnom Penh to London with Cathay Pacific

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Deals on Phnom Penh (PNH) to London (LHR) flights

Jul 2025
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    • Book flights to London LHR

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    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

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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.