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

Return flights

18 Aug - 26 Aug	Thai AirAsia
08 Aug - 26 Aug	Thai AirAsia
18 Aug - 23 Aug	Thai AirAsia
18 Aug - 24 Aug	Thai AirAsia
08 Aug - 15 Aug	Thai AirAsia
08 Aug - 24 Aug	Thai AirAsia
08 Aug - 23 Aug	Thai AirAsia
21 Aug - 26 Aug	Thai AirAsia
06 Aug - 26 Aug	Thai AirAsia
05 Aug - 12 Aug	Thai VietJet Air
21 Aug - 10 Sep	Thai AirAsia
30 Aug - 10 Sep	Thai AirAsia
28 Aug - 10 Sep	Thai AirAsia

Also check the deals for one-way flights from Phuket 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 Phuket to Phnom-penh in August from $232

Return flights