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

Return flights

19 Dec - 08 Jan	AirAsia X
26 Dec - 13 Jan	AirAsia X
26 Dec - 08 Jan	AirAsia X
26 Dec - 09 Jan	AirAsia X
19 Dec - 06 Jan	AirAsia X
19 Dec - 03 Jan	China Southern
27 Dec - 13 Jan	AirAsia X
27 Dec - 08 Jan	AirAsia X
27 Dec - 09 Jan	AirAsia X
19 Dec - 31 Dec	AirAsia X
26 Dec - 06 Jan	AirAsia X
19 Dec - 26 Dec	AirAsia X
19 Dec - 25 Dec	AirAsia X
26 Dec - 31 Dec	AirAsia X
27 Dec - 31 Dec	AirAsia X

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

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 December from 548€

Return flights