Cheapest return flights from Detroit to Keflavik in August from $361

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

Return flights

24 Aug - 01 Sep Icelandair direct
18 Aug - 26 Aug Icelandair direct
19 Aug - 26 Aug Icelandair direct
25 Aug - 01 Sep Icelandair direct
30 Aug - 03 Sep Delta direct
17 Aug - 29 Aug Air France direct
30 Aug - 06 Sep Air France
21 Aug - 25 Aug Air Canada
21 Aug - 31 Aug KLM
21 Aug - 25 Aug Air France direct
04 Aug - 11 Aug Icelandair direct
30 Aug - 13 Sep Air France
31 Aug - 07 Sep Icelandair direct
23 Aug - 31 Aug Delta direct
21 Aug - 31 Aug Delta direct
19 Aug - 31 Aug Air France direct
29 Aug - 07 Sep Spirit Airlines
28 Aug - 01 Sep Delta direct
28 Aug - 02 Sep Delta direct
29 Aug - 02 Sep Icelandair direct

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

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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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