Cheapest return flights from New York to Keflavik in December from 368€

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

Return flights

08 Dec - 17 Dec Icelandair direct
30 Dec - 11 Jan Finnair
29 Dec - 24 Jan Finnair
03 Dec - 11 Dec Icelandair direct
05 Dec - 11 Dec Spirit Airlines
11 Dec - 17 Dec Icelandair direct
29 Dec - 07 Jan Finnair
29 Dec - 08 Jan Finnair
09 Dec - 16 Dec Scandinavian Airlines
08 Dec - 23 Dec Scandinavian Airlines
08 Dec - 16 Dec Scandinavian Airlines
09 Dec - 16 Dec Icelandair direct
05 Dec - 11 Dec Icelandair direct
01 Dec - 10 Dec Icelandair direct
30 Dec - 09 Jan Scandinavian Airlines
16 Dec - 10 Jan Scandinavian Airlines
30 Dec - 11 Jan Icelandair direct
30 Dec - 09 Jan Icelandair direct
29 Dec - 24 Jan Icelandair direct
31 Dec - 07 Jan Icelandair direct

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

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