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

Return flights

26 Aug - 01 Sep	SWISS	direct
29 Aug - 02 Sep	Lufthansa
27 Aug - 29 Aug	Eurowings
27 Aug - 12 Sep	Austrian Airlines
29 Aug - 02 Sep	SWISS	direct
20 Aug - 27 Aug	Eurowings
27 Aug - 12 Sep	SWISS	direct
22 Aug - 25 Aug	SWISS
22 Aug - 25 Aug	SWISS	direct
20 Aug - 22 Aug	Eurowings
22 Aug - 24 Aug	Pegasus Airlines
27 Aug - 11 Sep	SWISS	direct
25 Aug - 26 Aug	SWISS
18 Aug - 22 Aug	Eurowings
27 Aug - 29 Aug	SWISS	direct
16 Aug - 17 Aug	Pegasus Airlines

Also check the deals for one-way flights from Graz to Zurich 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 Graz to Zurich in August from $304

Return flights