Cheapest return flights from Fort Lauderdale to Keflavik in March from $650

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

Return flights

11 Mar - 18 Mar Spirit Airlines
04 Mar - 20 Mar Spirit Airlines
29 Mar - 05 Apr Delta
14 Mar - 22 Mar American Airlines
09 Mar - 13 Mar American Airlines
13 Mar - 20 Mar Delta
11 Mar - 19 Mar Delta
12 Mar - 20 Mar Delta

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

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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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