Cheapest return flights from Newark to Keflavik in December from 280€

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

Return flights

01 Dec - 08 Dec Icelandair direct
15 Dec - 22 Dec Icelandair direct
11 Dec - 18 Dec Icelandair direct
05 Dec - 08 Dec Icelandair direct
12 Dec - 20 Dec Icelandair direct
06 Dec - 08 Dec Scandinavian Airlines
29 Dec - 07 Jan Icelandair direct
28 Dec - 04 Jan Icelandair direct
21 Dec - 28 Dec Icelandair direct
23 Dec - 28 Dec Icelandair direct
23 Dec - 31 Dec Icelandair direct
24 Dec - 31 Dec Icelandair direct
28 Dec - 03 Jan Icelandair direct
27 Dec - 03 Jan Icelandair direct
27 Dec - 02 Jan United
20 Dec - 03 Jan United

Also check the deals for one-way flights from Newark 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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