Book a trip from London to Phnom Penh with Cathay Pacific
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1 Passenger(s), Economy
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Deals on London (LHR) to Phnom Penh (PNH) flights
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Book flights to Phnom Penh PNH
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There are no fares that match your filter criteria. Please adjust your filters.Book Business Class flights to Phnom Penh - selected offers
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There are no fares that match your filter criteria. Please adjust your filters.The Cathay Pacific experience
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Flight Deals for Popular Routes on Cathay Pacific
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There are no fares that match your filter criteria. Please adjust your filters.*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.
Travel to Phnom Penh in Premium Economy
London (LHR)to
Phnom Penh (PNH)18/10/2025 - 29/10/2025FromGBP8,886Seen 1 day agoRound-tripPremium Economy
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.)