AirHint found the following cheapest one-way flights from London (STN) to Phnom-penh (PNH) in September 2025 (see full year).
One-Way flights
| 12 Sep | Ryanair | ||
| 19 Sep | Ryanair | ||
| 17 Sep | Pegasus Airlines | ||
| 24 Sep | Pegasus Airlines | ||
| 25 Sep | Pegasus Airlines | ||
| 18 Sep | Ryanair | ||
| 11 Sep | Pegasus Airlines | ||
| 01 Sep | Ryanair | ||
| 06 Sep | Ryanair | ||
| 05 Sep | Pegasus Airlines |
Also check the deals for return flights from London to Phnom-penh in September.
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.
Find us on social media