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

Return flights

27 Aug - 06 Sep	Etihad Airways
19 Aug - 13 Sep	Etihad Airways
18 Aug - 14 Sep	Finnair
25 Aug - 30 Aug	Air India
23 Aug - 30 Aug	Air India
13 Aug - 07 Sep	Air India
24 Aug - 12 Sep	Etihad Airways
30 Aug - 14 Sep	Turkish Airlines
17 Aug - 01 Sep	Etihad Airways
18 Aug - 31 Aug	Etihad Airways
17 Aug - 29 Aug	Etihad Airways
18 Aug - 01 Sep	Etihad Airways
14 Aug - 06 Sep	Etihad Airways
30 Aug - 12 Sep	Etihad Airways
29 Aug - 31 Aug	Etihad Airways
04 Aug - 11 Aug	Air India
12 Aug - 26 Aug	Etihad Airways
07 Aug - 12 Aug	Etihad Airways
09 Aug - 16 Aug	SWISS
05 Aug - 26 Aug	Etihad 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 $1193

Return flights