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

Return flights

16 Jan - 29 Jan	Air China
07 Jan - 24 Jan	Air China
02 Jan - 16 Jan	Wizz Air UK
11 Jan - 01 Feb	Air China
02 Jan - 23 Jan	Wizz Air UK
09 Jan - 23 Jan	China Southern
07 Jan - 21 Jan	Air China
17 Jan - 03 Feb	Wizz Air UK
29 Jan - 12 Feb	Singapore Airlines
28 Jan - 13 Feb	Wizz Air UK
03 Jan - 17 Jan	China Eastern
30 Jan - 15 Feb	Norse Atlantic Airways (UK)
12 Jan - 03 Feb	Air China
30 Jan - 14 Feb	Norse Atlantic Airways (UK)
12 Jan - 04 Feb	China Southern
23 Jan - 08 Feb	Air China
21 Jan - 06 Feb	Singapore Airlines
03 Jan - 23 Jan	Air China
08 Jan - 16 Jan	British Airways

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 572€

Return flights