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

Return flights

01 Oct - 16 Oct	Ryanair
09 Oct - 16 Oct	Ryanair
03 Oct - 15 Oct	Pegasus Airlines
01 Oct - 14 Oct	Ryanair
01 Oct - 09 Oct	Ryanair
18 Oct - 25 Oct	Ryanair
04 Oct - 11 Oct	Ryanair
01 Oct - 28 Nov	Ryanair
04 Oct - 18 Oct	Ryanair
02 Oct - 30 Oct	Ryanair
03 Oct - 11 Oct	Pegasus Airlines
16 Oct - 01 Nov	Ryanair
13 Oct - 03 Nov	Ryanair
29 Oct - 11 Nov	easyJet
31 Oct - 15 Nov	Pegasus Airlines
24 Oct - 06 Nov	Ryanair
30 Oct - 08 Nov	Emirates
30 Oct - 14 Nov	Emirates
23 Oct - 08 Nov	Ryanair
22 Oct - 07 Nov	Emirates

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

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 October from 707€

Return flights