Cheapest return flights from London to Phnom-penh in October from $638

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

Return flights

01 Oct - 14 Oct Shenzhen Airlines
01 Oct - 24 Oct Shenzhen Airlines
01 Oct - 15 Oct China Southern
04 Oct - 11 Oct Shenzhen Airlines
03 Oct - 12 Oct Shenzhen Airlines
03 Oct - 18 Oct Shenzhen Airlines
03 Oct - 17 Oct Shenzhen Airlines
27 Oct - 07 Nov Shenzhen Airlines
30 Oct - 19 Nov Air China
04 Oct - 08 Nov China Southern
30 Oct - 09 Nov China Southern
03 Oct - 09 Nov Shenzhen Airlines
24 Oct - 08 Nov Shenzhen Airlines
02 Oct - 09 Oct China Southern
20 Oct - 31 Oct Shenzhen Airlines
24 Oct - 31 Oct Shenzhen Airlines
18 Oct - 01 Nov Shenzhen Airlines
26 Oct - 01 Nov Shenzhen Airlines
16 Oct - 05 Nov China Southern
17 Oct - 01 Nov Shenzhen Airlines

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

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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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