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

Return flights

27 Nov - 08 Dec	China Southern
19 Nov - 04 Dec	China Southern
20 Nov - 05 Dec	China Southern
19 Nov - 03 Dec	China Southern
21 Nov - 05 Dec	China Southern
20 Nov - 04 Dec	China Southern
24 Nov - 05 Dec	China Southern
26 Nov - 11 Dec	Air China
09 Nov - 20 Nov	Air China
11 Nov - 25 Nov	Air China
30 Nov - 10 Dec	Air China
26 Nov - 10 Dec	Air China
05 Nov - 25 Nov	Air China
05 Nov - 18 Nov	Air China
05 Nov - 27 Nov	Air China
05 Nov - 24 Nov	Air China
05 Nov - 28 Nov	Air China
15 Nov - 29 Nov	Shenzhen Airlines
21 Nov - 30 Nov	Shenzhen Airlines
09 Nov - 21 Nov	Shenzhen Airlines

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

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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Cheapest return flights from London to Phnom-penh in November from 465€

Return flights