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

Return flights

24 Sep - 01 Oct	easyJet
20 Sep - 04 Oct	SWISS	direct
24 Sep - 08 Oct	easyJet
30 Sep - 05 Oct	Austrian Airlines
26 Sep - 28 Sep	SWISS
26 Sep - 04 Oct	SWISS	direct
26 Sep - 29 Sep	SWISS	direct
12 Sep - 19 Sep	SWISS	direct
19 Sep - 22 Sep	SWISS	direct
13 Sep - 20 Sep	SWISS	direct
13 Sep - 24 Sep	SWISS	direct
20 Sep - 24 Sep	SWISS	direct
12 Sep - 20 Sep	SWISS	direct
12 Sep - 29 Sep	SWISS	direct
19 Sep - 24 Sep	SWISS	direct
29 Sep - 04 Oct	SWISS	direct
27 Sep - 05 Oct	Austrian Airlines
27 Sep - 04 Oct	SWISS	direct
19 Sep - 01 Oct	SWISS	direct
29 Sep - 03 Oct	Aer Lingus

Also check the deals for one-way flights from Zurich to Kosice 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 Zurich to Kosice in September from 159€

Return flights