AirHint found the following cheapest one-way flights from Kos (KGS) to Zurich (ZRH) in September 2025 (see full year).

One-Way flights

08 Sep	Condor	direct
22 Sep	Condor	direct
19 Sep	Ryanair
17 Sep	Eurowings
07 Sep	Chair Airlines	direct
15 Sep	Edelweiss Air	direct
21 Sep	Chair Airlines	direct
14 Sep	Chair Airlines	direct
06 Sep	Edelweiss Air	direct
25 Sep	Condor	direct

Also check the deals for return flights from Kos 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 one-way flights from Kos to Zurich in September from $81

One-Way flights