AirHint found the following cheapest one-way flights from London (LHR) to Phnom-penh (PNH) in August 2025 (see full year).
One-Way flights
Also check the deals for return flights from London to Phnom-penh in August.
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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