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

Return flights

28 Dec - 17 Jan	AirAsia
30 Dec - 17 Jan	AirAsia
27 Dec - 17 Jan	AirAsia
28 Dec - 12 Jan	AirAsia
30 Dec - 12 Jan	AirAsia
26 Dec - 12 Jan	AirAsia
27 Dec - 12 Jan	AirAsia
24 Dec - 12 Jan	AirAsia
20 Dec - 25 Dec	Air China
20 Dec - 06 Jan	AirAsia
20 Dec - 08 Jan	AirAsia
03 Dec - 05 Dec	AirAsia
02 Dec - 05 Dec	AirAsia
08 Dec - 13 Dec	AirAsia
03 Dec - 13 Dec	AirAsia
05 Dec - 13 Dec	AirAsia
08 Dec - 18 Dec	AirAsia
08 Dec - 29 Dec	AirAsia
03 Dec - 18 Dec	AirAsia
05 Dec - 18 Dec	AirAsia

Also check the deals for one-way flights from Shenzhen 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 Shenzhen to Sydney in December from $580

Return flights