Cheapest return flights from Detroit to Keflavik in October from $300

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

Return flights

14 Oct - 21 Oct Icelandair direct
11 Oct - 18 Oct Icelandair direct
07 Oct - 14 Oct Icelandair direct
09 Oct - 18 Oct Icelandair direct
14 Oct - 19 Oct Lufthansa
14 Oct - 19 Oct Air France direct
01 Oct - 05 Oct Air Canada
04 Oct - 12 Oct Lufthansa
04 Oct - 12 Oct Air France direct

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

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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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