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

Return flights

22 Aug - 31 Aug	Etihad Airways
22 Aug - 21 Sep	Etihad Airways
08 Aug - 31 Aug	Air India
10 Aug - 31 Aug	Air India
14 Aug - 31 Aug	Etihad Airways
25 Aug - 31 Aug	Etihad Airways
18 Aug - 30 Aug	Etihad Airways
07 Aug - 31 Aug	Etihad Airways
04 Aug - 31 Aug	Etihad Airways

Also check the deals for one-way flights from Zurich 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 Zurich to Phnom-penh in August from 703€

Return flights