Cheapest return flights from London to Phnom-penh in August from $848

Best time to book flights for London (LHR) to Phnom-penh (PNH) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Phnom-penh (PNH) in August 2025 (see full year).

Return flights

31 Aug - 07 Sep Shenzhen Airlines
27 Aug - 14 Sep Singapore Airlines
23 Aug - 06 Sep Singapore Airlines
12 Aug - 09 Sep Thai Airways
22 Aug - 31 Aug China Airlines
15 Aug - 25 Aug China Airlines
23 Aug - 31 Aug China Airlines
16 Aug - 23 Aug British Airways
03 Aug - 20 Aug Emirates
11 Aug - 24 Aug Cathay Pacific
14 Aug - 28 Aug British Airways
04 Aug - 18 Aug Singapore Airlines
05 Aug - 16 Aug Singapore Airlines
05 Aug - 19 Aug Singapore Airlines

Also check the deals for one-way flights from London to Phnom-penh in August.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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