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

Return flights

04 Sep - 11 Sep	Singapore Airlines
13 Sep - 14 Oct	Hong Kong Airlines
16 Sep - 23 Sep	Air China	direct
06 Sep - 04 Oct	Air China	direct
13 Sep - 14 Oct	Air China	direct
05 Sep - 26 Sep	Hong Kong Airlines
25 Sep - 04 Oct	Air China	direct
27 Sep - 04 Oct	Cathay Pacific
26 Sep - 11 Oct	Hainan Airlines
30 Sep - 04 Oct	Cathay Pacific
27 Sep - 08 Oct	Cathay Pacific
26 Sep - 05 Oct	Cathay Pacific
27 Sep - 12 Oct	Cathay Pacific

Also check the deals for one-way flights from Beijing to Sydney in September.

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 Beijing to Sydney in September from 537€

Return flights