Cheapest return flights from Detroit to Keflavik in October from 279€

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

Return flights

27 Oct - 01 Nov Icelandair direct
14 Oct - 08 Nov Icelandair direct
18 Oct - 22 Oct Spirit Airlines
18 Oct - 22 Oct Air France direct
10 Oct - 15 Oct Spirit Airlines
02 Oct - 05 Oct Spirit Airlines
01 Oct - 05 Oct Spirit Airlines
26 Oct - 31 Oct Southwest Airlines
17 Oct - 21 Oct Delta
02 Oct - 05 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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