AirHint found the following cheapest return flights from Reykjavik (REK) to Dublin (DUB) in January 2026 (see full year).

Return flights

24 Jan - 03 Feb	Transavia France
24 Jan - 27 Jan	Transavia France
31 Jan - 07 Feb	easyJet
26 Jan - 29 Jan	easyJet
14 Jan - 17 Jan	easyJet
19 Jan - 03 Feb	easyJet
09 Jan - 12 Jan	easyJet
19 Jan - 03 Feb	Icelandair	direct
31 Jan - 07 Feb	Icelandair	direct
24 Jan - 03 Feb	Icelandair	direct
24 Jan - 27 Jan	Icelandair	direct
14 Jan - 17 Jan	Icelandair	direct
26 Jan - 29 Jan	Icelandair	direct
01 Jan - 08 Jan	easyJet
09 Jan - 12 Jan	Icelandair	direct
01 Jan - 08 Jan	Icelandair	direct

Also check the deals for one-way flights from Reykjavik to Dublin in January.

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 January from 135€

Return flights