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

Return flights

04 Dec - 11 Dec	Cathay Pacific
06 Dec - 18 Jan	Philippine Airlines
05 Dec - 02 Jan	Cathay Pacific
05 Dec - 01 Jan	Cathay Pacific
07 Dec - 28 Dec	Cathay Pacific
17 Dec - 31 Dec	Cathay Pacific
25 Dec - 24 Jan	Air China	direct
25 Dec - 09 Jan	Air China	direct
04 Dec - 11 Dec	Air China	direct
05 Dec - 01 Jan	Air China	direct
07 Dec - 07 Jan	Air China	direct
06 Dec - 04 Jan	Cathay Pacific
22 Dec - 10 Jan	Air China	direct
22 Dec - 30 Dec	Air China	direct
11 Dec - 03 Jan	Air China	direct
19 Dec - 26 Dec	Cathay Pacific
07 Dec - 28 Dec	Air China	direct
19 Dec - 26 Dec	Air China	direct
17 Dec - 31 Dec	Air China	direct

Also check the deals for one-way flights from Sydney to Beijing 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 Sydney to Beijing in December from $797

Return flights