Cheapest return flights from New York to Keflavik in December from 516€

Best time to book flights for New York (JFK) to Keflavik (KEF) flights at AirHint

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

Return flights

11 Dec - 25 Dec Icelandair direct
12 Dec - 15 Dec British Airways
12 Dec - 15 Dec Icelandair direct
25 Dec - 08 Jan British Airways
08 Dec - 22 Dec Icelandair direct
25 Dec - 28 Dec British Airways
25 Dec - 08 Jan Icelandair direct
22 Dec - 05 Jan Icelandair direct
25 Dec - 28 Dec Icelandair direct

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

Skyscanner

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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