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

Return flights

13 Sep - 28 Oct	Lufthansa
15 Sep - 17 Sep	easyJet
17 Sep - 22 Sep	easyJet
15 Sep - 22 Sep	easyJet
12 Sep - 28 Oct	Lufthansa
11 Sep - 16 Sep	Pegasus Airlines
23 Sep - 25 Sep	easyJet
18 Sep - 23 Sep	easyJet
18 Sep - 27 Sep	Vueling Airlines
18 Sep - 22 Sep	Lufthansa
25 Sep - 30 Sep	Lufthansa
22 Sep - 25 Sep	easyJet
30 Sep - 02 Oct	easyJet
17 Sep - 11 Oct	easyJet
13 Sep - 28 Oct	Finnair	direct
30 Sep - 03 Oct	Finnair	direct
17 Sep - 11 Oct	Finnair	direct
30 Sep - 02 Oct	Finnair	direct
12 Sep - 28 Oct	Finnair	direct

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 $224

Return flights