Cheapest return flights from New York to Keflavik in December from 281€

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

Return flights

07 Dec - 12 Dec Icelandair direct
04 Dec - 08 Dec Icelandair direct
04 Dec - 10 Dec Icelandair direct
15 Dec - 19 Dec Icelandair direct
12 Dec - 17 Dec Icelandair direct
03 Dec - 05 Dec Lufthansa
02 Dec - 05 Dec Scandinavian Airlines
18 Dec - 24 Dec Icelandair direct
25 Dec - 30 Dec Scandinavian Airlines
19 Dec - 28 Dec Icelandair direct
25 Dec - 05 Jan Icelandair direct
20 Dec - 03 Jan Icelandair direct
27 Dec - 01 Jan Scandinavian Airlines
20 Dec - 01 Jan Icelandair direct
27 Dec - 01 Jan Icelandair direct
28 Dec - 03 Jan Icelandair direct
28 Dec - 01 Jan Icelandair direct
30 Dec - 01 Jan Icelandair direct
29 Dec - 01 Jan Icelandair direct
24 Dec - 04 Jan Scandinavian Airlines

Also check the deals for one-way flights from New York 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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