Cheapest return flights from New York to Keflavik in December from 258€

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

Return flights

01 Dec - 06 Dec Icelandair direct
05 Dec - 13 Dec Icelandair direct
01 Dec - 15 Dec Icelandair direct
11 Dec - 19 Dec Icelandair direct
10 Dec - 17 Dec Icelandair direct
01 Dec - 04 Dec Scandinavian Airlines
30 Dec - 06 Jan Finnair
31 Dec - 07 Jan Icelandair direct
09 Dec - 12 Dec Scandinavian Airlines
29 Dec - 06 Jan Lufthansa
23 Dec - 07 Jan Icelandair direct
27 Dec - 06 Jan Finnair
30 Dec - 06 Jan Icelandair direct
10 Dec - 18 Dec United
23 Dec - 28 Dec Icelandair direct
27 Dec - 06 Jan Icelandair direct
20 Dec - 27 Dec Icelandair direct
29 Dec - 06 Jan Icelandair direct
26 Dec - 06 Jan Finnair
26 Dec - 06 Jan Icelandair direct

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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