AirHint found the following cheapest return flights from Phnom-penh (PNH) to London (LHR) in December 2025 (see full year).
Return flights
| 18 Dec - 08 Jan | China Southern | ||
| 13 Dec - 05 Jan | China Southern | ||
| 21 Dec - 04 Jan | China Southern | ||
| 03 Dec - 31 Dec | China Southern | ||
| 22 Dec - 06 Jan | China Southern | ||
| 20 Dec - 31 Dec | China Southern |
Also check the deals for one-way flights from Phnom-penh to London 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.
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