Cheapest return DUB–KEF flights, December

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

Return flights

16 Dec - 19 Dec Vueling Airlines
07 Dec - 12 Dec Icelandair direct
29 Dec - 05 Jan Icelandair direct
12 Dec - 16 Dec Icelandair direct
28 Dec - 04 Jan Icelandair direct
16 Dec - 19 Dec Icelandair direct
19 Dec - 24 Dec Icelandair direct
28 Dec - 01 Jan Icelandair direct
31 Dec - 04 Jan Icelandair direct
15 Dec - 02 Jan Icelandair direct
31 Dec - 03 Jan Icelandair direct
26 Dec - 30 Dec 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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