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

Return flights

16 Dec - 23 Dec	Ryanair
15 Dec - 22 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
08 Dec - 15 Dec	Air Serbia
15 Dec - 17 Dec	Air Serbia
05 Dec - 08 Dec	Ryanair
08 Dec - 15 Dec	Air Serbia	direct
15 Dec - 22 Dec	Air Serbia	direct
05 Dec - 08 Dec	Air Serbia	direct
31 Dec - 02 Jan	Ryanair
29 Dec - 02 Jan	Air Serbia	direct
26 Dec - 29 Dec	Air Serbia	direct
28 Dec - 01 Jan	ITA Airways
30 Dec - 01 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 116€

Return flights