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

Return flights

14 Sep - 19 Sep	easyJet
08 Sep - 11 Sep	KLM
05 Sep - 08 Sep	KLM
05 Sep - 07 Sep	KLM
04 Sep - 07 Sep	KLM
01 Sep - 05 Sep	KLM
19 Sep - 21 Sep	KLM
06 Sep - 14 Sep	KLM
12 Sep - 14 Sep	easyJet
08 Sep - 15 Sep	easyJet

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

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 Geneva to Helsinki in September from 195€

Return flights