AirHint found the following cheapest return flights from Barcelona (BCN) to Phnom-penh (PNH) in August 2025 (see full year).

Return flights

25 Aug - 07 Sep	Air China
30 Aug - 13 Sep	Ryanair
13 Aug - 27 Aug	Norwegian Air Sweden AOC
16 Aug - 30 Aug	Vueling Airlines
11 Aug - 18 Aug	Ryanair
14 Aug - 26 Aug	Vueling Airlines
14 Aug - 21 Aug	Etihad Airways

Also check the deals for one-way flights from Barcelona to Phnom-penh in August.

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 Barcelona to Phnom-penh in August from 722€

Return flights