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

Return flights

11 Oct - 18 Oct	Scoot Tigerair
15 Oct - 22 Oct	Cathay Pacific
04 Oct - 13 Oct	Scoot Tigerair
14 Oct - 21 Oct	Scoot Tigerair
04 Oct - 11 Oct	Scoot Tigerair
18 Oct - 19 Oct	Shenzhen Airlines
13 Oct - 20 Oct	China Southern
09 Oct - 16 Oct	Scoot Tigerair
13 Oct - 18 Oct	AirAsia X
15 Oct - 18 Oct	AirAsia X

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

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 October from $532

Return flights