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

Return flights

16 Jun - 26 Jun	Ryanair
16 Jun - 07 Jul	Ryanair
10 Jun - 25 Jun	Ryanair
17 Jun - 06 Jul	Ryanair
16 Jun - 23 Jun	Ryanair
25 Jun - 16 Jul	Ryanair
23 Jun - 21 Jul	Ryanair
21 Jun - 25 Jun	Ryanair
12 Jun - 25 Jun	Pegasus Airlines
11 Jun - 25 Jun	Pegasus Airlines
10 Jun - 17 Jun	Ryanair
28 Jun - 06 Jul	Ryanair
18 Jun - 29 Jun	Ryanair
16 Jun - 20 Jun	Ryanair
08 Jun - 29 Jun	Pegasus Airlines
27 Jun - 11 Jul	Ryanair
10 Jun - 10 Jul	Ryanair
17 Jun - 01 Jul	Emirates
16 Jun - 01 Jul	Emirates
24 Jun - 01 Jul	Ryanair

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

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 June from 651€

Return flights