Cheapest return flights from Dublin to Keflavik in December from $266

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

Return flights

05 Dec - 07 Dec Icelandair direct
01 Dec - 04 Dec Icelandair direct
01 Dec - 05 Dec Icelandair direct
02 Dec - 09 Dec Icelandair direct
01 Dec - 07 Dec Icelandair direct
02 Dec - 07 Dec Icelandair direct
02 Dec - 06 Dec Icelandair direct
17 Dec - 22 Dec Icelandair direct
18 Dec - 22 Dec Icelandair direct
20 Dec - 31 Dec Icelandair direct
22 Dec - 01 Jan Icelandair direct
23 Dec - 01 Jan Icelandair direct
28 Dec - 03 Jan Icelandair direct

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

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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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