Cheapest return flights from Zurich to Helsinki in September from $220

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

Return flights

15 Sep - 24 Sep airBaltic
17 Sep - 23 Sep airBaltic
23 Sep - 08 Oct airBaltic
04 Sep - 11 Sep KLM
02 Sep - 09 Sep KLM
25 Sep - 28 Sep KLM
05 Sep - 10 Sep KLM
02 Sep - 08 Sep KLM
11 Sep - 15 Sep KLM
06 Sep - 08 Sep KLM
19 Sep - 22 Sep KLM
23 Sep - 08 Oct Finnair direct
28 Sep - 12 Oct KLM
29 Sep - 04 Oct Finnair direct
28 Sep - 12 Oct Finnair direct

Also check the deals for one-way flights from Zurich to Helsinki in September.

Skyscanner

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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