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

Return flights

31 Dec - 07 Jan	easyJet
08 Dec - 11 Dec	easyJet
12 Dec - 15 Dec	easyJet
31 Dec - 04 Jan	easyJet
19 Dec - 04 Jan	easyJet
22 Dec - 02 Jan	Transavia France
20 Dec - 04 Jan	Transavia France
08 Dec - 08 Dec	Scandinavian Airlines
22 Dec - 04 Jan	Transavia France
14 Dec - 14 Dec	Icelandair
31 Dec - 07 Jan	Icelandair	direct
19 Dec - 21 Dec	transavia
20 Dec - 30 Dec	Scandinavian Airlines
20 Dec - 29 Dec	easyJet
23 Dec - 27 Dec	easyJet
20 Dec - 28 Dec	Scandinavian Airlines
19 Dec - 04 Jan	Icelandair	direct
19 Dec - 21 Dec	Icelandair	direct
20 Dec - 04 Jan	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 190€

Return flights