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

Return flights

26 Aug - 12 Sep	Scoot Tigerair
04 Aug - 16 Aug	China Eastern
28 Aug - 14 Sep	China Eastern
06 Aug - 09 Aug	Air China
04 Aug - 08 Aug	Air China
04 Aug - 11 Aug	Air China
19 Aug - 25 Aug	AirAsia X
19 Aug - 27 Aug	AirAsia X
19 Aug - 03 Sep	AirAsia X
14 Aug - 20 Aug	Singapore Airlines
26 Aug - 27 Aug	AirAsia X
26 Aug - 03 Sep	AirAsia X
27 Aug - 03 Sep	AirAsia X
17 Aug - 25 Aug	AirAsia X
17 Aug - 27 Aug	AirAsia X
17 Aug - 03 Sep	AirAsia X
22 Aug - 03 Sep	AirAsia X
31 Aug - 03 Sep	AirAsia X
20 Aug - 03 Sep	AirAsia X
16 Aug - 03 Sep	AirAsia X

Also check the deals for one-way flights from Sydney to Shenzhen in August.

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 August from 431€

Return flights