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

Return flights

27 Sep - 14 Oct	Volotea
26 Sep - 14 Oct	ITA Airways
23 Sep - 26 Sep	Vueling Airlines
23 Sep - 28 Sep	Vueling Airlines
29 Sep - 01 Oct	Volotea
23 Sep - 27 Sep	Vueling Airlines
22 Sep - 25 Sep	Volotea
22 Sep - 23 Sep	Volotea
30 Sep - 03 Oct	Volotea
18 Sep - 25 Sep	Vueling Airlines
27 Sep - 28 Sep	Vueling Airlines
26 Sep - 28 Sep	Vueling Airlines
21 Sep - 24 Sep	Volotea
20 Sep - 27 Sep	Vueling Airlines

Also check the deals for one-way flights from Florence to Bucharest 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 Bucharest in September from 157€

Return flights