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

Return flights

31 Dec - 05 Jan	Ryanair
18 Dec - 20 Dec	Ryanair
22 Dec - 26 Dec	Ryanair
20 Dec - 22 Dec	Ryanair
26 Dec - 29 Dec	Air Serbia	direct
22 Dec - 29 Dec	Air Serbia	direct
22 Dec - 26 Dec	Air Serbia	direct
29 Dec - 02 Jan	Air Serbia	direct
19 Dec - 21 Dec	Ryanair
22 Dec - 24 Dec	Air Serbia
31 Dec - 02 Jan	ITA Airways
25 Dec - 29 Dec	easyJet
21 Dec - 23 Dec	Ryanair
30 Dec - 03 Jan	ITA Airways

Also check the deals for one-way flights from Naples 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 Naples to Belgrade in December from $218

Return flights