Cheapest return flights from London to Phnom-penh in September from 414€

Best time to book flights for London (LGW) to Phnom-penh (PNH) flights at AirHint

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

Return flights

25 Sep - 05 Oct China Southern
25 Sep - 16 Oct China Southern
22 Sep - 12 Oct Air China
29 Sep - 06 Oct China Southern
27 Sep - 05 Oct China Southern
26 Sep - 17 Oct China Southern
25 Sep - 03 Oct China Southern
18 Sep - 06 Oct China Southern
01 Sep - 17 Sep Wizz Air UK
01 Sep - 01 Oct Wizz Air UK
01 Sep - 21 Sep Air China
15 Sep - 22 Sep Air China
08 Sep - 15 Sep Air China
01 Sep - 30 Sep Wizz Air UK
27 Sep - 11 Oct Wizz Air UK
01 Sep - 08 Sep Wizz Air UK
10 Sep - 17 Sep Wizz Air Malta
03 Sep - 10 Sep Gulf Air
06 Sep - 13 Sep Wizz Air UK
11 Sep - 25 Sep Singapore Airlines

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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