AirHint found the following cheapest return flights from Kosice (KSC) to Zurich (ZRH) in September 2025 (see full year).

Return flights

01 Sep - 05 Sep	SWISS	direct
12 Sep - 26 Sep	SWISS	direct
12 Sep - 13 Sep	SWISS	direct
04 Sep - 07 Sep	Austrian Airlines
08 Sep - 12 Sep	SWISS	direct
04 Sep - 10 Sep	Austrian Airlines
05 Sep - 10 Sep	SWISS	direct
20 Sep - 29 Sep	SWISS	direct
29 Sep - 06 Oct	Wizz Air UK
06 Sep - 12 Sep	SWISS	direct
06 Sep - 10 Sep	SWISS	direct
12 Sep - 01 Oct	Ryanair
12 Sep - 01 Oct	SWISS	direct
24 Sep - 01 Oct	SWISS	direct
29 Sep - 06 Oct	SWISS	direct

Also check the deals for one-way flights from Kosice to Zurich in September.

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 Kosice to Zurich in September from 204€

Return flights