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

Return flights

25 Sep - 02 Oct	SWISS	direct
27 Sep - 07 Oct	SWISS
18 Sep - 25 Sep	easyJet	direct
18 Sep - 23 Sep	easyJet
09 Sep - 11 Sep	easyJet	direct
23 Sep - 30 Sep	easyJet	direct
23 Sep - 30 Sep	easyJet
23 Sep - 24 Sep	Volotea
26 Sep - 29 Sep	easyJet
27 Sep - 30 Sep	SWISS
25 Sep - 30 Sep	easyJet	direct
27 Sep - 28 Sep	SWISS
27 Sep - 07 Oct	easyJet	direct

Also check the deals for one-way flights from Heraklion to Geneva 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 Heraklion to Geneva in September from $159

Return flights