Cheapest return flights from Detroit to Keflavik in April from $528

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

Return flights

07 Apr - 15 Apr jetBlue
06 Apr - 16 Apr jetBlue
15 Apr - 22 Apr jetBlue
05 Apr - 12 Apr Southwest Airlines

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

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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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