Cheapest return flights from Perth to Phnom-penh in September from $420

AirHint found the following cheapest return flights from Perth (PER) to Phnom-penh (PNH) in September 2025 (see full year).

Return flights

01 Sep - 02 Sep AirAsia
01 Sep - 15 Sep Jetstar
01 Sep - 17 Sep AirAsia
23 Sep - 03 Oct Singapore Airlines
20 Sep - 02 Oct Singapore Airlines
24 Sep - 05 Oct Jetstar
23 Sep - 02 Oct AirAsia
23 Sep - 05 Oct AirAsia
24 Sep - 03 Oct AirAsia
24 Sep - 02 Oct AirAsia
23 Sep - 09 Oct AirAsia
23 Sep - 11 Oct AirAsia
24 Sep - 09 Oct AirAsia

Also check the deals for one-way flights from Perth to Phnom-penh in September.

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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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