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

Return flights

15 Jan - 21 Jan	Icelandair	direct
29 Jan - 10 Feb	Icelandair	direct
14 Jan - 18 Jan	Icelandair	direct
14 Jan - 22 Jan	Icelandair	direct
14 Jan - 28 Jan	Icelandair	direct
15 Jan - 23 Jan	Icelandair	direct
15 Jan - 28 Jan	Icelandair	direct
31 Jan - 08 Feb	Icelandair	direct
12 Jan - 26 Jan	Icelandair	direct
22 Jan - 23 Jan	Icelandair	direct
19 Jan - 31 Jan	Scandinavian Airlines
13 Jan - 13 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.

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Cheapest return flights from Keflavik to New York in January from $413

Return flights