Cheapest return flights from London to Phnom-penh in December from $1849

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

AirHint found the following cheapest return flights from London (LCY) to Phnom-penh (PNH) in December 2025 (see full year).

Return flights

15 Dec - 12 Jan Condor
17 Dec - 07 Jan Condor
13 Dec - 03 Jan British Airways
18 Dec - 03 Jan British Airways
26 Dec - 13 Jan Condor
24 Dec - 08 Jan Condor
26 Dec - 14 Jan Condor
24 Dec - 07 Jan Condor
29 Dec - 30 Dec SWISS
01 Dec - 01 Jan SWISS

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

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.

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