Cheapest return flights from London to Phnom-penh in December from 1415€

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

03 Dec - 15 Dec SWISS
10 Dec - 27 Dec SWISS
22 Dec - 04 Jan British Airways
15 Dec - 22 Dec British Airways
22 Dec - 02 Jan KLM
23 Dec - 02 Jan KLM
13 Dec - 27 Dec SWISS
17 Dec - 02 Jan KLM
16 Dec - 03 Jan SWISS
19 Dec - 04 Jan British Airways
20 Dec - 02 Jan British Airways
13 Dec - 03 Jan SWISS
27 Dec - 03 Jan SWISS
13 Dec - 02 Jan SWISS
19 Dec - 26 Dec SWISS

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

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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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