Cheapest return flights from Detroit to Keflavik in December from 316€

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

Return flights

01 Dec - 06 Dec Icelandair direct
06 Dec - 11 Dec Icelandair direct
04 Dec - 11 Dec Icelandair direct
06 Dec - 13 Dec Icelandair direct
08 Dec - 15 Dec Icelandair direct
15 Dec - 20 Dec Icelandair direct
13 Dec - 20 Dec Icelandair direct
22 Dec - 29 Dec Icelandair direct
11 Dec - 14 Dec Spirit Airlines
08 Dec - 11 Dec Frontier Airlines
29 Dec - 07 Jan Icelandair
27 Dec - 07 Jan Icelandair
20 Dec - 07 Jan Icelandair
20 Dec - 10 Jan Icelandair
25 Dec - 07 Jan Spirit Airlines
24 Dec - 07 Jan Southwest Airlines
19 Dec - 10 Jan Southwest Airlines
25 Dec - 01 Jan Icelandair direct
27 Dec - 06 Jan Icelandair
28 Dec - 07 Jan Sun Country Airlines

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

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