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

Return flights

07 Dec - 12 Dec	Volotea
19 Dec - 22 Dec	Air Serbia
08 Dec - 12 Dec	Lufthansa
12 Dec - 14 Dec	ITA Airways
07 Dec - 09 Dec	Volotea
26 Dec - 28 Dec	SWISS
03 Dec - 07 Dec	SWISS
07 Dec - 08 Dec	Volotea
05 Dec - 08 Dec	Air Serbia
22 Dec - 07 Jan	Air Serbia
05 Dec - 07 Dec	Air Serbia
28 Dec - 01 Jan	ITA Airways
31 Dec - 02 Jan	SWISS
12 Dec - 06 Jan	Air Serbia
31 Dec - 01 Jan	SWISS
29 Dec - 01 Jan	ITA Airways
23 Dec - 01 Jan	Vueling Airlines
23 Dec - 02 Jan	Vueling Airlines
31 Dec - 03 Jan	SWISS

Also check the deals for one-way flights from Florence to Bucharest in December.

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 December from $171

Return flights