AirHint found the following cheapest return flights from Hangzhou (HGH) to Sydney (SYD) in August 2025 (see full year).

Return flights

17 Aug - 27 Aug	Scoot Tigerair
22 Aug - 29 Aug	Scoot Tigerair
23 Aug - 30 Aug	Scoot Tigerair
11 Aug - 21 Aug	Scoot Tigerair
12 Aug - 01 Sep	Scoot Tigerair
26 Aug - 02 Sep	Scoot Tigerair
14 Aug - 22 Aug	China Southern
11 Aug - 31 Aug	Air China
04 Aug - 11 Aug	Scoot Tigerair
05 Aug - 11 Aug	Scoot Tigerair
25 Aug - 04 Sep	AirAsia X
25 Aug - 31 Aug	AirAsia X
02 Aug - 18 Aug	Scoot Tigerair

Also check the deals for one-way flights from Hangzhou to Sydney in August.

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 Hangzhou to Sydney in August from $405

Return flights