Cheapest return flights from Detroit to Keflavik in May from $697

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

Return flights

11 May - 19 May Spirit Airlines
19 May - 27 May Spirit Airlines
26 May - 02 Jun Spirit Airlines
27 May - 03 Jun Spirit Airlines
20 May - 28 May Spirit Airlines
30 May - 06 Jun Spirit Airlines
11 May - 19 May Air France direct
23 May - 30 May Spirit Airlines
25 May - 01 Jun Spirit Airlines
28 May - 04 Jun Spirit Airlines
15 May - 23 May Spirit Airlines
29 May - 05 Jun Spirit Airlines
21 May - 28 May Spirit Airlines
01 May - 08 May KLM
24 May - 31 May Spirit Airlines
18 May - 26 May Air France direct
31 May - 07 Jun Spirit Airlines
25 May - 01 Jun Air France direct
26 May - 02 Jun Air France direct
27 May - 03 Jun Air France direct

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

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