Cheapest return flights from London to Phnom-penh in January from $680

Best time to book flights for London (LHR) to Phnom-penh (PNH) flights at AirHint

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

Return flights

08 Jan - 26 Jan Air China
06 Jan - 27 Jan Air China
08 Jan - 05 Feb Air China
13 Jan - 17 Feb Air China
27 Jan - 23 Feb Singapore Airlines
16 Jan - 07 Feb Etihad Airways
23 Jan - 06 Feb Etihad Airways
30 Jan - 13 Feb Singapore Airlines
20 Jan - 20 Feb Malaysia Airlines
20 Jan - 25 Feb Malaysia Airlines
02 Jan - 16 Jan China Airlines
23 Jan - 07 Feb Thai Airways

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

Skyscanner

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.

Book a cheap hotel in Phnom-penh

Cheap car rent in Phnom-penh