Cheapest return flights from London to Phnom-penh in September from 423€

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

26 Sep - 19 Oct China Southern
26 Sep - 22 Oct China Southern
25 Sep - 12 Oct China Southern
26 Sep - 12 Oct China Southern
24 Sep - 12 Oct Air China
26 Sep - 03 Oct China Southern
12 Sep - 03 Oct China Southern
15 Sep - 03 Oct China Southern
22 Sep - 06 Oct Air China
15 Sep - 06 Oct Air China
15 Sep - 29 Sep Wizz Air UK
19 Sep - 29 Sep China Southern
01 Sep - 30 Sep Wizz Air UK
09 Sep - 23 Sep Singapore Airlines
08 Sep - 15 Sep China Southern
10 Sep - 30 Sep Emirates

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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