Cheapest one-way flights from New York to Keflavik in December from $498

AirHint found the following cheapest one-way flights from New York (JFK) to Keflavik (KEF) in December 2025 (see full year).

One-Way flights

28 Dec Brussels Airlines
24 Dec SWISS
27 Dec Norse Atlantic Airways
25 Dec SWISS
29 Dec Icelandair direct
28 Dec Icelandair direct
26 Dec Norse Atlantic Airways (UK)
24 Dec Icelandair direct
25 Dec Icelandair direct
27 Dec Icelandair direct

Also check the deals for return flights from New York to Keflavik in December.

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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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