Cheapest one-way flights from New York to Keflavik in December from 319€

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

One-Way flights

30 Dec SWISS
31 Dec Icelandair direct
30 Dec Icelandair direct
29 Dec Brussels Airlines
28 Dec Spirit Airlines
27 Dec Air Europa
25 Dec SWISS
26 Dec Air Europa
29 Dec Icelandair direct
28 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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