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

Return flights

31 Aug - 15 Sep	Etihad Airways
30 Aug - 15 Sep	Air India
31 Aug - 07 Sep	Etihad Airways
31 Aug - 14 Sep	Etihad Airways
29 Aug - 14 Sep	Air India
25 Aug - 07 Sep	Turkish Airlines
24 Aug - 14 Sep	Turkish Airlines
27 Aug - 03 Sep	Etihad Airways
30 Aug - 07 Sep	Air India
26 Aug - 02 Sep	Etihad Airways
28 Aug - 31 Aug	Etihad Airways
24 Aug - 31 Aug	Turkish Airlines
25 Aug - 26 Aug	Qatar Airways

Also check the deals for one-way flights from Zurich to Sydney 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 Zurich to Sydney in August from $1061

Return flights