Cheapest return flights from New York to Keflavik in December from 418€

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

Return flights

04 Dec - 08 Dec Spirit Airlines
02 Dec - 06 Dec Spirit Airlines
08 Dec - 16 Dec Scandinavian Airlines
06 Dec - 16 Dec Frontier Airlines
11 Dec - 15 Dec Spirit Airlines
04 Dec - 10 Dec Spirit Airlines
03 Dec - 08 Dec Spirit Airlines
01 Dec - 10 Dec Spirit Airlines
11 Dec - 14 Dec Scandinavian Airlines
09 Dec - 15 Dec Spirit Airlines
25 Dec - 17 Jan Porter Airlines (Canada) Ltd
18 Dec - 07 Jan Frontier Airlines
21 Dec - 03 Jan Spirit Airlines
09 Dec - 03 Jan Porter Airlines (Canada) Ltd
20 Dec - 04 Jan Spirit Airlines
27 Dec - 04 Jan Spirit Airlines
22 Dec - 02 Jan Air Canada

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

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