Cheapest return flights from Detroit to Keflavik in April from 660€

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

Return flights

13 Apr - 09 May Lufthansa
02 Apr - 10 Apr Southwest Airlines

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

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