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

Return flights

04 Oct - 06 Oct	Austrian Airlines
07 Oct - 13 Oct	SWISS	direct
02 Oct - 06 Oct	Austrian Airlines	direct
23 Oct - 31 Oct	SWISS	direct
15 Oct - 20 Oct	Austrian Airlines	direct
16 Oct - 20 Oct	SWISS	direct
25 Oct - 02 Nov	Lufthansa
06 Oct - 08 Oct	Eurowings
17 Oct - 19 Oct	Austrian Airlines
01 Oct - 05 Oct	Austrian Airlines
24 Oct - 27 Oct	SWISS	direct
24 Oct - 02 Nov	SWISS	direct
24 Oct - 02 Nov	SWISS
26 Oct - 03 Nov	Austrian Airlines
26 Oct - 03 Nov	SWISS	direct

Also check the deals for one-way flights from Graz to Zurich 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 Graz to Zurich in October from $205

Return flights