AirHint found the following cheapest one-way flights from Florence (FLR) to Barcelona (BCN) in October 2025 (see full year).

One-Way flights

15 Oct	Vueling Airlines	direct
07 Oct	Vueling Airlines	direct
02 Oct	Vueling Airlines	direct
16 Oct	Vueling Airlines	direct
09 Oct	Vueling Airlines	direct
01 Oct	Vueling Airlines	direct
10 Oct	Volotea
29 Oct	Vueling Airlines	direct
08 Oct	Volotea
04 Oct	Vueling Airlines

Also check the deals for return flights from Florence to Barcelona in October.

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 one-way flights from Florence to Barcelona in October from $40

One-Way flights