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

Return flights

31 Oct - 09 Nov	Wizz Air UK
31 Oct - 08 Nov	Wizz Air UK
25 Oct - 08 Nov	Wizz Air
28 Oct - 09 Nov	easyJet
22 Oct - 01 Nov	Wizz Air UK
02 Oct - 16 Oct	easyJet
20 Oct - 26 Oct	easyJet
17 Oct - 01 Nov	Wizz Air UK
31 Oct - 14 Nov	easyJet
20 Oct - 01 Nov	easyJet
01 Oct - 30 Oct	easyJet
17 Oct - 03 Nov	easyJet
06 Oct - 09 Oct	easyJet
12 Oct - 20 Oct	easyJet
10 Oct - 26 Oct	easyJet
16 Oct - 20 Oct	easyJet
24 Oct - 02 Nov	easyJet

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 692€

Return flights