Cheapest return flights from Detroit to Keflavik in May from 579€

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

Return flights

12 May - 19 May Spirit Airlines
20 May - 27 May Finnair
25 May - 02 Jun Spirit Airlines
08 May - 13 May Spirit Airlines
28 May - 05 Jun Spirit Airlines
12 May - 19 May Air France direct
07 May - 11 May Spirit Airlines
24 May - 01 Jun WestJet
29 May - 06 Jun Spirit Airlines
23 May - 31 May Spirit Airlines
30 May - 07 Jun Spirit Airlines
26 May - 03 Jun jetBlue
07 May - 13 May Delta direct
20 May - 27 May Air France direct
27 May - 04 Jun jetBlue
31 May - 08 Jun jetBlue
07 May - 11 May Delta direct
23 May - 31 May Air France direct
25 May - 02 Jun Air France direct
26 May - 03 Jun Air France direct

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

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