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

Return flights

01 Sep - 14 Sep	Scoot Tigerair
09 Sep - 11 Sep	AirAsia
03 Sep - 09 Sep	AirAsia
03 Sep - 11 Sep	AirAsia
10 Sep - 11 Sep	AirAsia
07 Sep - 09 Sep	AirAsia
07 Sep - 11 Sep	AirAsia
01 Sep - 04 Sep	AirAsia
01 Sep - 09 Sep	AirAsia
01 Sep - 11 Sep	AirAsia
14 Sep - 03 Oct	AirAsia
14 Sep - 02 Oct	AirAsia
17 Sep - 06 Oct	AirAsia
17 Sep - 03 Oct	AirAsia
17 Sep - 02 Oct	AirAsia

Also check the deals for one-way flights from Hanoi 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 Hanoi to Perth in September from $319

Return flights