AirHint found the following cheapest one-way flights from Kuala Lumpur (KUL) to Perth (PER) in September 2025 (see full year).

One-Way flights

02 Sep	AirAsia	direct
01 Sep	AirAsia	direct
07 Sep	AirAsia	direct
04 Sep	AirAsia	direct
03 Sep	AirAsia	direct
16 Sep	AirAsia	direct
17 Sep	AirAsia	direct
10 Sep	AirAsia	direct
19 Sep	AirAsia	direct
15 Sep	AirAsia	direct

Also check the deals for return flights from Kuala Lumpur 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 one-way flights from Kuala Lumpur to Perth in September from $66

One-Way flights