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

Return flights

20 Dec - 31 Dec	Air China
20 Dec - 30 Dec	Air China
19 Dec - 30 Dec	Air China
23 Dec - 31 Dec	Hainan Airlines
19 Dec - 29 Dec	Air China
12 Dec - 01 Jan	Air China
27 Dec - 15 Jan	AirAsia
24 Dec - 01 Jan	Hainan Airlines
25 Dec - 15 Jan	AirAsia
22 Dec - 31 Dec	Air China
25 Dec - 04 Jan	Air China
21 Dec - 01 Jan	Air China
03 Dec - 05 Dec	AirAsia
02 Dec - 05 Dec	AirAsia
03 Dec - 10 Dec	AirAsia
02 Dec - 10 Dec	AirAsia
22 Dec - 02 Jan	Air China
21 Dec - 01 Jan	China Southern	direct
24 Dec - 01 Jan	China Southern	direct
12 Dec - 01 Jan	China Southern	direct

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 455€

Return flights