AirHint found the following cheapest return flights from Naples (NAP) to Keflavik (KEF) in September 2026 (see full year).
Return flights
| 22 Sep - 27 Sep | easyJet | ||
| 19 Sep - 27 Sep | easyJet | ||
| 02 Sep - 06 Sep | easyJet | ||
| 01 Sep - 06 Sep | easyJet |
Also check the deals for one-way flights from Naples to Keflavik in September.
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