AirHint found the following cheapest return flights from Penang (PEN) to Perth (PER) in September 2025 (see full year).

Return flights

03 Sep - 07 Sep	AirAsia
03 Sep - 06 Sep	AirAsia
06 Sep - 10 Sep	AirAsia
06 Sep - 14 Sep	AirAsia
06 Sep - 13 Sep	AirAsia
06 Sep - 09 Sep	AirAsia
06 Sep - 08 Sep	AirAsia
08 Sep - 10 Sep	AirAsia
03 Sep - 10 Sep	AirAsia
08 Sep - 14 Sep	AirAsia
20 Sep - 07 Oct	Scoot
29 Sep - 16 Oct	AirAsia
20 Sep - 08 Oct	AirAsia
20 Sep - 11 Oct	AirAsia
29 Sep - 17 Oct	AirAsia
17 Sep - 08 Oct	AirAsia
29 Sep - 11 Oct	AirAsia
20 Sep - 02 Oct	AirAsia
17 Sep - 07 Oct	AirAsia
17 Sep - 02 Oct	AirAsia

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

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 Perth in September from 253€

Return flights