Cheapest return flights from London to Phnom-penh in March from $687

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

Return flights

09 Mar - 23 Mar Air China
09 Mar - 16 Mar Air China
03 Mar - 17 Mar Air China
01 Mar - 16 Mar Etihad Airways
13 Mar - 22 Mar Norse Atlantic Airways (UK)
03 Mar - 31 Mar Singapore Airlines
19 Mar - 13 Apr Singapore Airlines
26 Mar - 02 Apr China Southern
30 Mar - 08 Apr China Southern
27 Mar - 06 Apr China Southern
28 Mar - 07 Apr China Southern
29 Mar - 08 Apr China Southern
31 Mar - 10 Apr Singapore Airlines
30 Mar - 11 Apr Singapore Airlines

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

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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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