Cheapest return flights from New York to Keflavik in December from 260€

AirHint found the following cheapest return flights from New York (JFK) 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
30 Dec - 06 Jan Finnair
31 Dec - 07 Jan Icelandair direct
10 Dec - 17 Dec Icelandair direct
23 Dec - 07 Jan Icelandair direct
27 Dec - 06 Jan Finnair
18 Dec - 25 Dec Icelandair direct
30 Dec - 06 Jan Icelandair direct
23 Dec - 28 Dec Icelandair direct
27 Dec - 06 Jan Icelandair direct
20 Dec - 27 Dec Icelandair direct
26 Dec - 06 Jan Finnair
09 Dec - 12 Dec Icelandair direct
01 Dec - 04 Dec Icelandair direct
26 Dec - 31 Dec Finnair
26 Dec - 06 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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