Cheapest return flights from New York to Keflavik in December from $301

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

Return flights

08 Dec - 15 Dec Icelandair direct
05 Dec - 10 Dec Icelandair direct
05 Dec - 08 Dec Icelandair direct
09 Dec - 17 Dec Icelandair direct
02 Dec - 09 Dec Icelandair direct
01 Dec - 15 Dec Icelandair direct
15 Dec - 23 Dec Icelandair direct
15 Dec - 19 Dec Icelandair direct
12 Dec - 19 Dec Icelandair direct
15 Dec - 22 Dec Icelandair direct
27 Dec - 07 Jan Icelandair direct
27 Dec - 03 Jan Icelandair direct
28 Dec - 03 Jan Icelandair direct
29 Dec - 05 Jan Icelandair direct
28 Dec - 04 Jan Icelandair direct
30 Dec - 01 Jan Icelandair direct

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

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