AirHint found the following cheapest return flights from Graz (GRZ) to Zurich (ZRH) in April 2026 (see full year).

Return flights

15 Apr - 22 Apr	Austrian Airlines	direct
24 Apr - 01 May	SWISS	direct
13 Apr - 20 Apr	Lufthansa
09 Apr - 16 Apr	SWISS	direct
10 Apr - 17 Apr	SWISS
20 Apr - 25 Apr	SWISS
11 Apr - 17 Apr	SWISS
10 Apr - 17 Apr	SWISS	direct
30 Apr - 03 May	SWISS
12 Apr - 19 Apr	Lufthansa
14 Apr - 16 Apr	SWISS
14 Apr - 16 Apr	SWISS	direct

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

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.

Book a cheap hotel in Zurich

Cheap car rent in Zurich

Cheapest return flights from Graz to Zurich in April from 193€

Return flights