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

Return flights

26 Aug - 07 Sep	Malaysia Airlines
28 Aug - 31 Aug	Malaysia Airlines
27 Aug - 28 Aug	Malaysia Airlines
27 Aug - 07 Sep	Malaysia Airlines
22 Aug - 25 Aug	Malaysia Airlines
28 Aug - 07 Sep	Malaysia Airlines
31 Aug - 07 Sep	Malaysia Airlines
30 Aug - 31 Aug	AirAsia
30 Aug - 07 Sep	AirAsia
27 Aug - 31 Aug	AirAsia
25 Aug - 31 Aug	AirAsia
25 Aug - 07 Sep	AirAsia
27 Aug - 29 Aug	AirAsia
28 Aug - 29 Aug	AirAsia
22 Aug - 31 Aug	AirAsia
22 Aug - 07 Sep	AirAsia
25 Aug - 29 Aug	AirAsia
23 Aug - 07 Sep	AirAsia
21 Aug - 07 Sep	AirAsia

Also check the deals for one-way flights from Penang 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 Penang to Phnom-penh in August from $164

Return flights