AirHint found the following cheapest return flights from London (LTN) to Phnom-penh (PNH) in January 2026 (see full year).

Return flights

23 Jan - 01 Feb	Wizz Air Malta
07 Jan - 28 Jan	Wizz Air Malta
31 Jan - 14 Feb	Wizz Air Malta
23 Jan - 08 Feb	Wizz Air Malta
24 Jan - 07 Feb	Wizz Air UK
31 Jan - 22 Feb	Ryanair
01 Jan - 10 Feb	Wizz Air Malta
08 Jan - 23 Jan	Wizz Air Malta
31 Jan - 21 Feb	Ryanair
30 Jan - 15 Feb	easyJet
03 Jan - 18 Jan	Wizz Air Malta
27 Jan - 14 Feb	easyJet
02 Jan - 10 Jan	Wizz Air UK
09 Jan - 06 Feb	easyJet

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

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 January from 684€

Return flights