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

Return flights

02 Sep - 09 Sep	Scoot Tigerair
01 Sep - 08 Sep	Scoot Tigerair
02 Sep - 08 Sep	AirAsia
02 Sep - 05 Sep	AirAsia
01 Sep - 09 Sep	AirAsia
01 Sep - 05 Sep	AirAsia
05 Sep - 08 Sep	AirAsia
05 Sep - 09 Sep	AirAsia
05 Sep - 22 Sep	Scoot Tigerair
18 Sep - 01 Oct	AirAsia
18 Sep - 03 Oct	AirAsia
19 Sep - 01 Oct	AirAsia
19 Sep - 03 Oct	AirAsia
02 Sep - 22 Sep	AirAsia
12 Sep - 01 Oct	AirAsia
12 Sep - 03 Oct	AirAsia
13 Sep - 01 Oct	AirAsia
13 Sep - 03 Oct	AirAsia

Also check the deals for one-way flights from Kuching 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 Kuching to Perth in September from $294

Return flights