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

Return flights

06 Oct - 15 Oct	Austrian Airlines	direct
21 Oct - 31 Oct	Austrian Airlines	direct
06 Oct - 14 Oct	Austrian Airlines	direct
03 Oct - 08 Oct	Austrian Airlines
03 Oct - 08 Oct	SWISS	direct
17 Oct - 20 Oct	SWISS	direct
17 Oct - 19 Oct	SWISS
03 Oct - 05 Oct	Austrian Airlines
09 Oct - 12 Oct	Austrian Airlines
10 Oct - 12 Oct	Austrian Airlines

Also check the deals for one-way flights from Zurich to Graz in October.

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 Graz in October from 196€

Return flights