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

Return flights

09 Sep - 16 Sep	VietJet Air
04 Sep - 11 Sep	Thai AirAsia
03 Sep - 04 Sep	AirAsia
03 Sep - 10 Sep	AirAsia
03 Sep - 06 Sep	AirAsia
02 Sep - 04 Sep	AirAsia
03 Sep - 08 Sep	AirAsia
02 Sep - 10 Sep	AirAsia
05 Sep - 10 Sep	AirAsia
03 Sep - 11 Sep	AirAsia
24 Sep - 12 Oct	AirAsia
24 Sep - 15 Oct	AirAsia
24 Sep - 14 Oct	AirAsia
22 Sep - 12 Oct	AirAsia
28 Sep - 15 Oct	AirAsia
28 Sep - 12 Oct	AirAsia
28 Sep - 16 Oct	AirAsia
24 Sep - 05 Oct	AirAsia
28 Sep - 14 Oct	AirAsia
24 Sep - 07 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 266€

Return flights