Cheapest return flights from London to Phnom-penh in September from 507€

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

Return flights

01 Sep - 30 Sep Shenzhen Airlines
15 Sep - 10 Oct Air China
27 Sep - 11 Oct China Southern
22 Sep - 05 Oct China Southern
22 Sep - 11 Oct China Southern
25 Sep - 09 Oct China Southern
25 Sep - 23 Oct China Southern
22 Sep - 04 Oct China Southern
21 Sep - 05 Oct China Southern
29 Sep - 06 Oct China Southern
14 Sep - 04 Oct China Southern
01 Sep - 14 Sep Shenzhen Airlines
04 Sep - 11 Sep China Southern
01 Sep - 15 Sep China Southern
02 Sep - 07 Sep China Southern
04 Sep - 10 Sep China Southern
06 Sep - 13 Sep Shenzhen Airlines
05 Sep - 24 Sep Shenzhen Airlines
10 Sep - 17 Sep Air China
08 Sep - 21 Sep Air China

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

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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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