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

Return flights

11 Dec - 16 Dec	Lufthansa
12 Dec - 15 Dec	SWISS
19 Dec - 22 Dec	Air Serbia	direct
12 Dec - 22 Dec	SWISS
22 Dec - 12 Jan	Air Serbia	direct
12 Dec - 22 Dec	Air Serbia	direct
12 Dec - 15 Dec	Air Serbia	direct
29 Dec - 02 Jan	Air Serbia	direct
26 Dec - 29 Dec	SWISS
08 Dec - 15 Dec	Austrian Airlines
01 Dec - 05 Dec	Air Serbia
20 Dec - 22 Dec	ITA Airways
27 Dec - 05 Jan	ITA Airways
29 Dec - 01 Jan	Air Serbia
25 Dec - 01 Jan	ITA Airways
27 Dec - 01 Jan	ITA Airways
30 Dec - 03 Jan	ITA Airways

Also check the deals for one-way flights from Florence to Belgrade 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 Belgrade in December from $175

Return flights