Cheapest return flights from London to Phnom-penh in August from 803€

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

25 Aug - 05 Sep China Airlines
11 Aug - 18 Aug China Airlines
16 Aug - 01 Sep China Airlines
10 Aug - 07 Sep Thai Airways
19 Aug - 31 Aug China Airlines
20 Aug - 30 Aug Malaysia Airlines
22 Aug - 30 Aug Malaysia Airlines
13 Aug - 27 Aug Air India
01 Aug - 15 Aug Shenzhen Airlines
02 Aug - 24 Aug Shenzhen Airlines
06 Aug - 20 Aug Singapore Airlines
02 Aug - 30 Aug Shenzhen Airlines
08 Aug - 22 Aug Malaysia 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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