Cheapest one-way flights from New York (NYC) to Keflavik (KEF), December

10 dates in December, from $ 325. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
4 Dec Aer Lingus
15 Dec TAP
2 Dec Aer Lingus
3 Dec Aer Lingus
15 Dec Icelandair
Direct Flight
29 Dec Aer Lingus
3 Dec Icelandair
Direct Flight
29 Dec Icelandair
Direct Flight
26 Dec Scandinavian Airlines
26 Dec Icelandair
Direct Flight
Powered by

Cheapest deals for the full year

Deals for return flights from New York to Keflavik in December.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik International Airport

Updated Oct 15, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.