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

Return flights

23 Mar - 06 Apr	Ryanair
16 Mar - 12 Apr	Ryanair
06 Mar - 13 Mar	Emirates
02 Mar - 16 Mar	Emirates
13 Mar - 29 Mar	Emirates
19 Mar - 06 Apr	Emirates
06 Mar - 21 Mar	Emirates
27 Mar - 12 Apr	Ryanair
28 Mar - 11 Apr	Ryanair

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

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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Cheapest return flights from London to Phnom-penh in March from 835€

Return flights