AirHint found the following cheapest return flights from Keflavik (KEF) to New York (JFK) in January 2026 (see full year).

Return flights

23 Jan - 25 Jan	Icelandair	direct
22 Jan - 27 Jan	Icelandair	direct
15 Jan - 21 Jan	Icelandair	direct
22 Jan - 25 Jan	Icelandair	direct
21 Jan - 25 Jan	Icelandair	direct
11 Jan - 14 Jan	Scandinavian Airlines
14 Jan - 16 Jan	Icelandair
14 Jan - 16 Jan	Icelandair	direct
10 Jan - 15 Jan	Icelandair
14 Jan - 14 Jan	Icelandair

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

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.

Book a cheap hotel in New York

Cheap car rent in New York

Cheapest return flights from Keflavik to New York in January from 369€

Return flights