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

Return flights

21 Oct - 28 Oct	Lufthansa
23 Oct - 30 Oct	Lufthansa
30 Oct - 05 Nov	Lufthansa
30 Oct - 03 Nov	Lufthansa
31 Oct - 02 Nov	KLM
31 Oct - 03 Nov	KLM
31 Oct - 05 Nov	KLM
31 Oct - 04 Nov	KLM
26 Oct - 29 Oct	KLM
13 Oct - 23 Oct	Lufthansa
26 Oct - 30 Oct	KLM
23 Oct - 26 Oct	KLM
24 Oct - 26 Oct	KLM
30 Oct - 05 Nov	Finnair	direct
10 Oct - 15 Oct	easyJet
28 Oct - 01 Nov	KLM
14 Oct - 17 Oct	KLM
14 Oct - 19 Oct	KLM
30 Oct - 03 Nov	Finnair	direct
30 Oct - 02 Nov	Finnair	direct

Also check the deals for one-way flights from Zurich to Helsinki 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 Helsinki in October from 194€

Return flights