Cheapest return flights from London to Phnom-penh in May from $718
AirHint found the following cheapest return flights from London (LHR) to Phnom-penh (PNH) in May 2025 (see full year).
Return flights
Also check the deals for one-way flights from London to Phnom-penh in May.
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.
