AirHint found the following cheapest return flights from London (LHR) to Phnom-penh (PNH) in May 2026 (see full year).
Return flights
| 15 May - 22 May | Air China | ||
| 03 May - 08 May | Etihad Airways | ||
| 01 May - 31 May | Singapore Airlines | ||
| 09 May - 24 May | Singapore Airlines | ||
| 08 May - 24 May | Singapore Airlines |
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.
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