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

Return flights

10 Dec - 12 Dec	Ryanair
04 Dec - 07 Dec	Aer Lingus
24 Dec - 11 Jan	Aer Lingus
17 Dec - 31 Dec	Aer Lingus
18 Dec - 31 Dec	Aer Lingus
16 Dec - 31 Dec	Aer Lingus
23 Dec - 31 Dec	Ryanair
17 Dec - 29 Dec	Aer Lingus
17 Dec - 30 Dec	Aer Lingus
23 Dec - 30 Dec	Ryanair
17 Dec - 28 Dec	KLM
17 Dec - 01 Jan	KLM
22 Dec - 04 Jan	Ryanair
18 Dec - 01 Jan	Aer Lingus
15 Dec - 01 Jan	Ryanair
15 Dec - 02 Jan	KLM
16 Dec - 01 Jan	Aer Lingus
17 Dec - 02 Jan	Ryanair
18 Dec - 02 Jan	Aer Lingus
23 Dec - 01 Jan	Ryanair

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.

Book a cheap hotel in Belgrade

Cheap car rent in Belgrade

Cheapest return flights from Dublin to Belgrade in December from 144€

Return flights