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

Return flights

02 Feb - 05 Feb	Ryanair
06 Feb - 09 Feb	Ryanair
03 Feb - 07 Feb	Ryanair
10 Feb - 14 Feb	Ryanair
10 Feb - 13 Feb	Ryanair
06 Feb - 11 Feb	Ryanair
02 Feb - 06 Feb	Ryanair
24 Feb - 28 Feb	Ryanair
23 Feb - 25 Feb	Ryanair
06 Feb - 10 Feb	Ryanair
28 Feb - 07 Mar	Ryanair
26 Feb - 02 Mar	Ryanair
23 Feb - 02 Mar	Ryanair
27 Feb - 07 Mar	Ryanair
25 Feb - 01 Mar	Icelandair	direct
23 Feb - 01 Mar	Ryanair
28 Feb - 07 Mar	Icelandair	direct
28 Feb - 06 Mar	Icelandair	direct
26 Feb - 02 Mar	Icelandair	direct
23 Feb - 01 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 139€

Return flights