Cheapest return flights from Dublin to Keflavik in December from 169€

AirHint found the following cheapest return flights from Dublin (DUB) to Keflavik (KEF) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec Icelandair direct
06 Dec - 11 Dec Icelandair direct
06 Dec - 10 Dec Icelandair direct
03 Dec - 06 Dec Icelandair direct
13 Dec - 20 Dec Icelandair direct
02 Dec - 06 Dec Icelandair direct
01 Dec - 06 Dec Ryanair
05 Dec - 07 Dec Lufthansa
12 Dec - 17 Dec Icelandair direct
20 Dec - 26 Dec Icelandair direct
29 Dec - 05 Jan Icelandair direct
26 Dec - 05 Jan Icelandair direct
29 Dec - 02 Jan Icelandair direct
30 Dec - 03 Jan Icelandair direct
27 Dec - 05 Jan Icelandair direct
27 Dec - 03 Jan Icelandair direct
19 Dec - 03 Jan Icelandair direct
25 Dec - 03 Jan KLM

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

Skyscanner

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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