Cheapest return flights from Fort Lauderdale to Keflavik in September from $796

Best time to book flights for Fort Lauderdale (FLL) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Fort Lauderdale (FLL) to Keflavik (KEF) in September 2025 (see full year).

Return flights

30 Sep - 07 Oct Delta
25 Sep - 02 Oct Delta
28 Sep - 05 Oct Delta
29 Sep - 06 Oct Delta
08 Sep - 15 Sep Delta
24 Sep - 01 Oct Delta
23 Sep - 30 Sep Delta
26 Sep - 03 Oct Delta
01 Sep - 08 Sep Delta
27 Sep - 04 Oct Delta
05 Sep - 14 Sep Delta

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

Skyscanner

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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