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

Return flights

07 Oct - 14 Oct	airBaltic
10 Oct - 14 Oct	airBaltic
09 Oct - 13 Oct	airBaltic
25 Oct - 31 Oct	airBaltic
25 Oct - 29 Oct	airBaltic
24 Oct - 26 Oct	airBaltic
22 Oct - 27 Oct	airBaltic
24 Oct - 27 Oct	airBaltic
23 Oct - 26 Oct	Lufthansa
30 Oct - 02 Nov	KLM
24 Oct - 02 Nov	KLM
31 Oct - 02 Nov	KLM
31 Oct - 03 Nov	KLM
01 Oct - 06 Oct	airBaltic
28 Oct - 08 Nov	Lufthansa
30 Oct - 02 Nov	Finnair	direct
31 Oct - 03 Nov	Finnair	direct
31 Oct - 02 Nov	Finnair	direct
24 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 $220

Return flights