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

01 Dec - 08 Dec Icelandair direct
19 Dec - 26 Dec Icelandair direct
29 Dec - 09 Jan Icelandair direct
06 Dec - 09 Dec Ryanair
28 Dec - 31 Dec Icelandair direct
28 Dec - 01 Jan Icelandair direct
06 Dec - 09 Dec Icelandair direct
06 Dec - 10 Dec Icelandair direct
27 Dec - 31 Dec Icelandair direct
27 Dec - 04 Jan Icelandair direct
30 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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