Cheapest return flights from Detroit to Keflavik in May from $440

Best time to book flights for Detroit (DTW) to Keflavik (KEF) flights at AirHint

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

Return flights

12 May - 19 May Spirit Airlines
12 May - 23 May Spirit Airlines
12 May - 19 May Air France direct
12 May - 23 May Air France direct
08 May - 12 May Air France direct
15 May - 20 May Air France direct
11 May - 15 May Spirit Airlines
06 May - 13 May KLM
20 May - 27 May Icelandair direct
06 May - 13 May Icelandair direct
31 May - 07 Jun Icelandair direct
29 May - 05 Jun Icelandair direct
27 May - 03 Jun Icelandair direct
25 May - 01 Jun United

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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