AirHint found the following cheapest return flights from Dublin (DUB) to Keflavik (KEF) in February 2026 (see full year).

Return flights

09 Feb - 16 Feb	Ryanair
03 Feb - 06 Feb	Ryanair
03 Feb - 10 Feb	Ryanair
23 Feb - 28 Feb	Ryanair
02 Feb - 05 Feb	Ryanair
12 Feb - 16 Feb	Scandinavian Airlines
21 Feb - 24 Feb	Aer Lingus
06 Feb - 09 Feb	Ryanair
09 Feb - 13 Feb	Ryanair
02 Feb - 11 Feb	Ryanair
26 Feb - 01 Mar	Ryanair
27 Feb - 06 Mar	Scandinavian Airlines
24 Feb - 01 Mar	Ryanair
25 Feb - 03 Mar	Icelandair	direct
24 Feb - 01 Mar	Icelandair	direct
22 Feb - 01 Mar	Scandinavian Airlines
26 Feb - 01 Mar	Icelandair	direct
13 Feb - 13 Mar	Icelandair	direct
22 Feb - 01 Mar	Icelandair	direct
25 Feb - 02 Mar	Icelandair	direct

Also check the deals for one-way flights from Dublin to Keflavik in February.

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 Keflavik in February from 154€

Return flights