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

Return flights

06 Dec - 07 Dec	Ryanair	direct
06 Dec - 12 Dec	Ryanair	direct
04 Dec - 07 Dec	Ryanair	direct
04 Dec - 06 Dec	Ryanair	direct
11 Dec - 14 Dec	Ryanair
11 Dec - 12 Dec	Ryanair
01 Dec - 05 Dec	Ryanair	direct
08 Dec - 11 Dec	Ryanair	direct
12 Dec - 14 Dec	Ryanair
05 Dec - 11 Dec	Ryanair
06 Dec - 09 Jan	Ryanair	direct
06 Dec - 05 Jan	Ryanair
06 Dec - 07 Jan	Ryanair
18 Dec - 10 Jan	Ryanair
18 Dec - 11 Jan	Aer Lingus
14 Dec - 08 Jan	KLM
19 Dec - 10 Jan	Ryanair
29 Dec - 01 Jan	Ryanair
22 Dec - 01 Jan	Ryanair
06 Dec - 07 Jan	Ryanair	direct

Also check the deals for one-way flights from Dublin to Zagreb 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 Zagreb in December from $85

Return flights