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

Return flights

24 Sep - 13 Oct	Scoot
23 Sep - 02 Oct	AirAsia
22 Sep - 10 Oct	AirAsia
26 Sep - 12 Oct	Scoot
19 Sep - 02 Oct	VietJet Air
23 Sep - 04 Oct	AirAsia
24 Sep - 03 Oct	Scoot
28 Sep - 10 Oct	VietJet Air
28 Sep - 11 Oct	VietJet Air
17 Sep - 22 Oct	Scoot
19 Sep - 21 Sep	VietJet Air
22 Sep - 30 Sep	VietJet Air
20 Sep - 22 Sep	Scoot
20 Sep - 30 Sep	Scoot
23 Sep - 27 Sep	AirAsia
19 Sep - 30 Sep	VietJet Air
19 Sep - 29 Sep	VietJet Air
17 Sep - 23 Sep	VietJet Air
22 Sep - 23 Sep	AirAsia
18 Sep - 23 Sep	VietJet Air

Also check the deals for one-way flights from Hong Kong 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 Hong Kong to Perth in September from 310€

Return flights