Cheapest one-way flights from London to Phnom-penh in December from $481

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

One-Way flights

01 Dec Shenzhen Airlines
31 Dec British Airways
10 Dec British Airways
09 Dec British Airways
27 Dec Shenzhen Airlines
26 Dec Shenzhen Airlines
24 Dec Shenzhen Airlines
12 Dec British Airways
16 Dec Austrian Airlines
14 Dec Austrian Airlines

Also check the deals for return 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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