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

Return flights

26 Oct - 31 Oct	Austrian Airlines	direct
16 Oct - 21 Oct	SWISS	direct
06 Oct - 14 Oct	Austrian Airlines	direct
06 Oct - 15 Oct	Austrian Airlines	direct
16 Oct - 27 Oct	SWISS	direct
27 Oct - 31 Oct	Eurowings
17 Oct - 20 Oct	Lufthansa
28 Oct - 01 Nov	Lufthansa
29 Oct - 03 Nov	Eurowings
28 Oct - 02 Nov	Lufthansa
30 Oct - 05 Nov	Austrian Airlines
29 Oct - 02 Nov	Austrian Airlines
17 Oct - 28 Oct	Lufthansa
27 Oct - 30 Oct	Eurowings
17 Oct - 20 Oct	SWISS	direct
29 Oct - 04 Nov	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 $229

Return flights