Cheapest return flights from Detroit to Keflavik in April from $495

AirHint found the following cheapest return flights from Detroit (DTW) to Keflavik (KEF) in April 2026 (see full year).

Return flights

07 Apr - 14 Apr Spirit Airlines
30 Apr - 03 May Spirit Airlines
06 Apr - 13 Apr Spirit Airlines
16 Apr - 23 Apr Spirit Airlines
09 Apr - 16 Apr Spirit Airlines
23 Apr - 30 Apr Spirit Airlines
17 Apr - 24 Apr Spirit Airlines
03 Apr - 10 Apr jetBlue
17 Apr - 25 Apr Spirit Airlines
24 Apr - 01 May Spirit Airlines
02 Apr - 09 Apr Frontier Airlines
10 Apr - 17 Apr Spirit Airlines
26 Apr - 03 May Alaska Airlines

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

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