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

Return flights

04 Jan - 18 Jan	Ryanair
12 Jan - 19 Jan	Pegasus Airlines
25 Jan - 28 Feb	Pegasus Airlines
09 Jan - 23 Jan	Ryanair
04 Jan - 01 Feb	Ryanair
22 Jan - 01 Feb	Ryanair
28 Jan - 28 Feb	Pegasus Airlines
01 Jan - 11 Jan	Ryanair
13 Jan - 10 Feb	Ryanair
26 Jan - 16 Feb	Ryanair
29 Jan - 12 Feb	Emirates
11 Jan - 22 Jan	Emirates
17 Jan - 27 Jan	Emirates
09 Jan - 21 Jan	Emirates
30 Jan - 20 Feb	Ryanair
05 Jan - 21 Jan	Emirates
21 Jan - 31 Jan	Emirates
07 Jan - 04 Feb	Emirates
02 Jan - 24 Jan	Ryanair

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 733€

Return flights