Cheapest return flights from Fort Lauderdale to Keflavik in May from $661

AirHint found the following cheapest return flights from Fort Lauderdale (FLL) to Keflavik (KEF) in May 2026 (see full year).

Return flights

05 May - 12 May jetBlue
25 May - 28 May Delta
23 May - 30 May Delta

Also check the deals for one-way flights from Fort Lauderdale to Keflavik in May.

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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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