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

Return flights

12 Sep - 26 Sep	SWISS	direct
08 Sep - 13 Sep	SWISS	direct
20 Sep - 29 Sep	SWISS	direct
12 Sep - 29 Sep	SWISS	direct
15 Sep - 26 Sep	SWISS	direct
20 Sep - 10 Oct	SWISS	direct
22 Sep - 12 Oct	LOT
24 Sep - 01 Oct	SWISS
24 Sep - 01 Oct	SWISS	direct
12 Sep - 01 Oct	SWISS	direct
06 Sep - 12 Sep	SWISS	direct
06 Sep - 10 Sep	SWISS	direct
17 Sep - 06 Oct	Ryanair
16 Sep - 05 Oct	LOT
17 Sep - 04 Oct	SWISS	direct
17 Sep - 06 Oct	SWISS	direct
10 Sep - 29 Sep	SWISS	direct
13 Sep - 15 Sep	LOT
12 Sep - 15 Sep	SWISS
14 Sep - 04 Oct	Austrian Airlines

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