Cheapest return flights from London to Phnom-penh in March from $680

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

AirHint found the following cheapest return flights from London (LON) to Phnom-penh (PNH) in March 2026 (see full year).

Return flights

14 Mar - 29 Mar Air China
04 Mar - 31 Mar Etihad Airways
01 Mar - 14 Mar Etihad Airways
07 Mar - 14 Mar Etihad Airways
18 Mar - 31 Mar Singapore Airlines
03 Mar - 31 Mar Singapore Airlines
24 Mar - 08 Apr Singapore Airlines
25 Mar - 01 Apr Singapore Airlines
26 Mar - 07 Apr Singapore Airlines
23 Mar - 04 Apr Singapore Airlines
29 Mar - 11 Apr Malaysia Airlines

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

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