Cheapest return flights from London to Phnom-penh in September from 396€

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

Return flights

15 Sep - 15 Oct Air China
15 Sep - 10 Oct Air China
29 Sep - 05 Oct Air China
22 Sep - 03 Oct China Southern
29 Sep - 06 Oct China Southern
27 Sep - 10 Oct Air China
29 Sep - 14 Oct Air China
15 Sep - 05 Oct China Southern
12 Sep - 12 Oct China Southern
27 Sep - 11 Oct Air China
05 Sep - 14 Sep Air China
04 Sep - 15 Sep China Southern
01 Sep - 15 Sep China Southern
14 Sep - 28 Sep SWISS
22 Sep - 28 Sep SWISS
16 Sep - 23 Sep SWISS
15 Sep - 29 Sep Wizz Air UK
01 Sep - 30 Sep Wizz Air UK
08 Sep - 18 Sep China Southern
11 Sep - 18 Sep China Southern

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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