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

Return flights

12 Dec - 15 Dec	Vueling Airlines
04 Dec - 08 Dec	Ryanair
10 Dec - 12 Dec	Ryanair
17 Dec - 23 Dec	Ryanair
02 Dec - 06 Dec	Aer Lingus
03 Dec - 06 Dec	Aer Lingus
04 Dec - 07 Dec	Aer Lingus
03 Dec - 07 Dec	Aer Lingus
05 Dec - 14 Dec	Ryanair
18 Dec - 24 Dec	Lufthansa
22 Dec - 05 Jan	Aer Lingus
26 Dec - 02 Jan	Ryanair
30 Dec - 03 Jan	KLM
29 Dec - 04 Jan	Ryanair
30 Dec - 04 Jan	Ryanair
26 Dec - 04 Jan	Aer Lingus
25 Dec - 05 Jan	Vueling Airlines
24 Dec - 02 Jan	Lufthansa

Also check the deals for one-way flights from Dublin 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 Dublin to Belgrade in December from $127

Return flights