Cheapest return flights from Miami to Keflavik in December from 513€

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

Return flights

14 Dec - 30 Dec Icelandair direct
28 Dec - 17 Jan Icelandair direct
29 Dec - 09 Jan Finnair
21 Dec - 30 Dec Icelandair direct
28 Dec - 08 Jan Icelandair direct
19 Dec - 10 Jan Icelandair direct
17 Dec - 27 Dec Icelandair direct
19 Dec - 27 Dec Icelandair direct
24 Dec - 27 Dec Icelandair direct
26 Dec - 29 Dec Icelandair
20 Dec - 30 Dec Sun Country Airlines
21 Dec - 29 Dec Icelandair
19 Dec - 02 Jan Icelandair
26 Dec - 03 Jan Icelandair
25 Dec - 02 Jan Frontier Airlines
26 Dec - 03 Jan Icelandair direct
31 Dec - 03 Jan Icelandair direct

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

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