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

Return flights

24 Nov - 04 Dec	Air China
24 Nov - 03 Dec	Air China
09 Nov - 24 Nov	Air China
23 Nov - 01 Dec	Air China
10 Nov - 21 Nov	Air China
10 Nov - 17 Nov	Air China
28 Nov - 19 Dec	Air China
24 Nov - 07 Dec	Air China
28 Nov - 11 Dec	Air China
06 Nov - 18 Nov	China Southern
07 Nov - 19 Nov	China Southern
07 Nov - 18 Nov	China Southern
03 Nov - 28 Nov	China Southern
04 Nov - 04 Dec	China Southern
20 Nov - 07 Dec	China Southern
13 Nov - 02 Dec	China Southern
27 Nov - 08 Dec	China Southern
04 Nov - 16 Nov	China Southern
02 Nov - 22 Nov	China Southern
19 Nov - 30 Nov	China Southern

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 432€

Return flights