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

Return flights

12 Sep - 15 Sep	Vueling Airlines
04 Sep - 07 Sep	SWISS
06 Sep - 09 Sep	SWISS
11 Sep - 14 Sep	SWISS
04 Sep - 08 Sep	SWISS
05 Sep - 08 Sep	SWISS
12 Sep - 03 Oct	Vueling Airlines
22 Sep - 03 Oct	Vueling Airlines
08 Sep - 15 Sep	Vueling Airlines
01 Sep - 15 Sep	Vueling Airlines
12 Sep - 18 Sep	Vueling Airlines
01 Sep - 12 Sep	SWISS

Also check the deals for one-way flights from Florence 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 Florence to Geneva in September from $190

Return flights