Cheapest return flights from London to Phnom-penh in September from 1112€
AirHint found the following cheapest return flights from London (LCY) to Phnom-penh (PNH) in September 2025 (see full year).
Return flights
| 12 Sep - 08 Oct | KLM | ||
| 01 Sep - 15 Sep | British Airways | ||
| 05 Sep - 20 Sep | Air Dolomiti | ||
| 01 Sep - 14 Sep | KLM | ||
| 08 Sep - 22 Sep | KLM | ||
| 01 Sep - 10 Sep | SWISS | ||
| 06 Sep - 13 Sep | KLM |
Also check the deals for one-way 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.
