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

Return flights

19 Jan - 23 Jan	Icelandair	direct
24 Jan - 31 Jan	Icelandair	direct
02 Jan - 15 Jan	Icelandair	direct
10 Jan - 24 Jan	Icelandair	direct
05 Jan - 12 Jan	Icelandair	direct
10 Jan - 19 Jan	Icelandair	direct
07 Jan - 21 Jan	Icelandair	direct
16 Jan - 21 Jan	Icelandair	direct
21 Jan - 04 Feb	Icelandair	direct
31 Jan - 07 Feb	Icelandair	direct
30 Jan - 13 Feb	Icelandair	direct
07 Jan - 17 Jan	Icelandair	direct
09 Jan - 23 Jan	Icelandair	direct

Also check the deals for one-way flights from New York to Keflavik 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 New York to Keflavik in January from $301

Return flights