Cheapest return flights from London to Phnom-penh in September from 390€

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

Return flights

26 Sep - 16 Oct China Southern
26 Sep - 09 Oct China Southern
29 Sep - 05 Oct China Southern
25 Sep - 15 Oct China Southern
25 Sep - 16 Oct China Southern
25 Sep - 09 Oct China Southern
29 Sep - 13 Oct China Southern
30 Sep - 12 Oct China Southern
09 Sep - 09 Oct China Southern
15 Sep - 05 Oct China Southern
05 Sep - 25 Sep Wizz Air UK
01 Sep - 30 Sep Wizz Air Malta
18 Sep - 25 Sep Wizz Air Malta
01 Sep - 07 Sep China Southern
05 Sep - 20 Sep Wizz Air UK
08 Sep - 21 Sep Wizz Air UK
02 Sep - 11 Sep Wizz Air UK
11 Sep - 25 Sep Turkish Airlines
01 Sep - 15 Sep Wizz Air UK
06 Sep - 17 Sep Wizz Air Malta

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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