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

Return flights

23 Dec - 03 Jan	Wizz Air
23 Dec - 02 Jan	Wizz Air
18 Dec - 29 Dec	easyJet
22 Dec - 02 Jan	Wizz Air
24 Dec - 27 Dec	TUI
21 Dec - 28 Dec	Wizz Air
23 Dec - 26 Dec	Wizz Air
23 Dec - 28 Dec	Wizz Air
20 Dec - 27 Dec	Wizz Air
23 Dec - 02 Jan	Icelandair	direct
23 Dec - 03 Jan	Icelandair	direct
22 Dec - 02 Jan	Icelandair	direct
18 Dec - 29 Dec	Icelandair	direct
20 Dec - 27 Dec	Icelandair	direct

Also check the deals for one-way flights from Reykjavik to Dublin 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 Reykjavik to Dublin in December from 261€

Return flights