Cheapest return ZRH–HEL flights, September

AirHint found the following cheapest return flights from Zurich (ZRH) to Helsinki (HEL) in September 2026 (see full year).

Return flights

17 Sep - 24 Sep airBaltic
17 Sep - 20 Sep airBaltic
05 Sep - 19 Sep KLM
26 Sep - 30 Sep KLM
12 Sep - 14 Sep KLM
18 Sep - 24 Sep KLM
04 Sep - 11 Sep KLM
10 Sep - 13 Sep KLM
28 Sep - 14 Oct KLM
28 Sep - 15 Oct KLM
06 Sep - 20 Sep airBaltic
11 Sep - 15 Sep airBaltic
27 Sep - 15 Oct Finnair
28 Sep - 15 Oct Finnair direct
26 Sep - 03 Oct Finnair direct
27 Sep - 15 Oct Finnair direct
28 Sep - 14 Oct Finnair direct

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

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