Cheapest return flights from London to Phnom-penh in May from 506€

Best time to book flights for London (LHR) to Phnom-penh (PNH) flights at AirHint

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

Return flights

17 May - 31 May Shenzhen Airlines
03 May - 10 May Shenzhen Airlines
17 May - 30 May Shenzhen Airlines
10 May - 24 May Shenzhen Airlines
23 May - 01 Jun Shenzhen Airlines
16 May - 16 Jun Air China
05 May - 14 May Air China
03 May - 14 May China Southern
17 May - 23 May China Southern

Also check the deals for one-way flights from London to Phnom-penh in May.

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.

Book a cheap hotel in Phnom-penh

Cheap car rent in Phnom-penh