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

Return flights

07 Apr - 14 Apr	Delta
01 Apr - 08 Apr	Delta
23 Apr - 30 Apr	Delta
24 Apr - 01 May	Delta
26 Apr - 03 May	Delta
14 Apr - 21 Apr	Delta
27 Apr - 04 May	Delta
11 Apr - 18 Apr	Delta
25 Apr - 02 May	Delta
16 Apr - 23 Apr	Delta
10 Apr - 17 Apr	Delta
12 Apr - 19 Apr	Delta
13 Apr - 20 Apr	Delta
06 Apr - 13 Apr	Delta
28 Apr - 05 May	Delta

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

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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Cheapest return flights from Fort Lauderdale to Keflavik in April from 688€

Return flights