Cheapest return flights from London to Phnom-penh in January from $638

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

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

Return flights

09 Jan - 23 Jan Air China
04 Jan - 29 Jan Air China
22 Jan - 01 Feb Air China
05 Jan - 26 Jan Air China
08 Jan - 31 Jan Air China
12 Jan - 02 Feb Air China
18 Jan - 01 Feb Air China
05 Jan - 17 Jan Air China
03 Jan - 24 Jan Air China
05 Jan - 11 Jan China Airlines
07 Jan - 28 Jan China Southern
30 Jan - 06 Feb China Southern
24 Jan - 07 Feb China Southern

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