AirHint found the following cheapest return flights from Zurich (ZRH) to Kos (KGS) in October 2025 (see full year).

Return flights

13 Oct - 21 Oct	Condor
16 Oct - 23 Oct	Condor
13 Oct - 20 Oct	Condor
18 Oct - 03 Nov	Edelweiss Air
16 Oct - 22 Oct	Condor
29 Oct - 09 Nov	SWISS
23 Oct - 29 Oct	Chair Airlines
29 Oct - 02 Nov	SWISS
18 Oct - 27 Oct	Edelweiss Air
16 Oct - 19 Oct	Condor
22 Oct - 29 Oct	easyJet
18 Oct - 26 Oct	Edelweiss Air
14 Oct - 21 Oct	Chair Airlines
26 Oct - 01 Nov	Chair Airlines
29 Oct - 08 Nov	SWISS
30 Oct - 09 Nov	SWISS
18 Oct - 01 Nov	Edelweiss Air
25 Oct - 03 Nov	SWISS
30 Oct - 08 Nov	Aegean Airlines
25 Oct - 01 Nov	SWISS

Also check the deals for one-way flights from Zurich to Kos in October.

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 Kos in October from $224

Return flights