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

08 Mar - 19 Mar Air China
02 Mar - 16 Mar Norwegian
01 Mar - 08 Mar Singapore Airlines
15 Mar - 26 Mar Singapore Airlines
02 Mar - 23 Mar Singapore Airlines
13 Mar - 28 Mar Singapore Airlines
23 Mar - 29 Mar China Airlines
27 Mar - 03 Apr China Airlines
26 Mar - 10 Apr Air China
24 Mar - 10 Apr Singapore Airlines
14 Mar - 19 Mar China Southern
14 Mar - 28 Mar China Southern
30 Mar - 09 Apr China Southern

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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