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

Return flights

06 Sep - 13 Sep	AirAsia X
06 Sep - 17 Sep	AirAsia X
04 Sep - 14 Sep	China Eastern
01 Sep - 14 Sep	China Eastern
04 Sep - 15 Sep	China Eastern
06 Sep - 12 Sep	AirAsia X
07 Sep - 12 Sep	AirAsia X
07 Sep - 13 Sep	AirAsia X
05 Sep - 12 Sep	AirAsia X
05 Sep - 13 Sep	AirAsia X
24 Sep - 13 Oct	AirAsia X
30 Sep - 17 Oct	Air China
23 Sep - 13 Oct	AirAsia X
28 Sep - 13 Oct	AirAsia X
18 Sep - 13 Oct	Air China
21 Sep - 06 Oct	AirAsia X
21 Sep - 04 Oct	AirAsia X
24 Sep - 06 Oct	AirAsia X
24 Sep - 04 Oct	AirAsia X
21 Sep - 11 Oct	AirAsia X

Also check the deals for one-way flights from Sydney to Shenzhen 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 Sydney to Shenzhen in September from 342€

Return flights