Cheapest one-way flights from London to Phnom-penh in December from $594
AirHint found the following cheapest one-way flights from London (LHR) to Phnom-penh (PNH) in December 2025 (see full year).
One-Way flights
| 10 Dec | British Airways | ||
| 28 Dec | British Airways | ||
| 05 Dec | Oman Air | ||
| 26 Dec | British Airways | ||
| 13 Dec | British Airways | ||
| 12 Dec | SWISS | ||
| 27 Dec | British Airways | ||
| 14 Dec | British Airways | ||
| 19 Dec | EVA Air |
Also check the deals for return flights from London to Phnom-penh in December.
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.
