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

Return flights

17 Jan - 31 Jan	Ryanair
09 Jan - 23 Jan	Ryanair
02 Jan - 18 Jan	Ryanair
21 Jan - 15 Feb	Emirates
13 Jan - 27 Jan	Emirates
17 Jan - 25 Jan	Emirates
23 Jan - 15 Feb	Emirates
30 Jan - 15 Feb	Emirates
27 Jan - 15 Feb	Emirates
01 Jan - 12 Feb	Ryanair
19 Jan - 04 Feb	Emirates
17 Jan - 30 Jan	Emirates
06 Jan - 29 Jan	Emirates
01 Jan - 15 Jan	Emirates
04 Jan - 18 Jan	Emirates
20 Jan - 20 Feb	Emirates

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 739€

Return flights