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

Return flights

18 Oct - 01 Nov	Ryanair
18 Oct - 03 Nov	Ryanair
18 Oct - 04 Nov	Ryanair
30 Oct - 09 Nov	Wizz Air Malta
30 Oct - 07 Nov	Wizz Air Malta
27 Oct - 01 Nov	Wizz Air Malta
18 Oct - 02 Nov	Ryanair
04 Oct - 11 Oct	easyJet
11 Oct - 22 Nov	Ryanair
12 Oct - 20 Oct	Wizz Air
17 Oct - 01 Nov	Ryanair
24 Oct - 18 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 $985

Return flights