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

Return flights

29 Sep - 06 Oct	ITA Airways
10 Sep - 15 Sep	ITA Airways
17 Sep - 30 Sep	Vueling Airlines
05 Sep - 07 Sep	SWISS
25 Sep - 30 Sep	SWISS
05 Sep - 09 Sep	SWISS
04 Sep - 07 Sep	SWISS
30 Sep - 07 Oct	SWISS
10 Sep - 30 Sep	Vueling Airlines
01 Sep - 04 Sep	ITA Airways
15 Sep - 30 Sep	Vueling Airlines
03 Sep - 16 Sep	Vueling Airlines
15 Sep - 02 Oct	Vueling Airlines
15 Sep - 06 Oct	Vueling Airlines
22 Sep - 02 Oct	Vueling Airlines
22 Sep - 06 Oct	Vueling Airlines
19 Sep - 02 Oct	Vueling Airlines
19 Sep - 06 Oct	Vueling Airlines
22 Sep - 09 Oct	Vueling Airlines
29 Sep - 02 Oct	Vueling Airlines

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 138€

Return flights