Cheapest return flights from Newark to Keflavik in December from 254€

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
13 Dec - 18 Dec Icelandair direct
09 Dec - 16 Dec Icelandair direct
12 Dec - 19 Dec Icelandair direct
13 Dec - 20 Dec Icelandair direct
14 Dec - 21 Dec Icelandair direct
11 Dec - 15 Dec Icelandair direct
16 Dec - 23 Dec Icelandair direct
11 Dec - 25 Dec Icelandair direct
07 Dec - 21 Dec Icelandair direct
16 Dec - 10 Jan Icelandair direct
25 Dec - 08 Jan Scandinavian Airlines
16 Dec - 06 Jan Icelandair direct
31 Dec - 07 Jan Icelandair direct
30 Dec - 06 Jan Icelandair direct
25 Dec - 08 Jan Icelandair direct
29 Dec - 05 Jan Icelandair direct
25 Dec - 01 Jan Scandinavian Airlines
28 Dec - 04 Jan Icelandair direct
23 Dec - 04 Jan Icelandair direct

Also check the deals for one-way flights from Newark 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.