Cheapest one-way flights from London to Phnom-penh in September from 351€

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

One-Way flights

03 Sep Shenzhen Airlines
01 Sep Shenzhen Airlines
06 Sep Shenzhen Airlines
15 Sep Shenzhen Airlines
21 Sep Shenzhen Airlines
17 Sep Shenzhen Airlines
20 Sep Shenzhen Airlines
10 Sep Shenzhen Airlines
12 Sep Shenzhen Airlines
02 Sep Air China

Also check the deals for return flights from London to Phnom-penh in September.

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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