AirHint found the following cheapest return flights from Florence (FLR) to Keflavik (KEF) in September 2026 (see full year).
Return flights
| 24 Sep - 27 Sep | KLM | ||
| 12 Sep - 20 Sep | Vueling Airlines | ||
| 01 Sep - 05 Sep | Scandinavian Airlines | ||
| 09 Sep - 12 Sep | Vueling Airlines | ||
| 09 Sep - 19 Sep | Vueling Airlines |
Also check the deals for one-way flights from Florence to Keflavik in September.
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