AirHint found the following cheapest return flights from Naples (NAP) to Keflavik (KEF) in September 2026 (see full year).
Return flights
| 21 Sep - 28 Sep | easyJet | ||
| 12 Sep - 16 Sep | easyJet | ||
| 12 Sep - 17 Sep | easyJet | ||
| 08 Sep - 15 Sep | easyJet | ||
| 07 Sep - 12 Sep | easyJet | ||
| 08 Sep - 12 Sep | easyJet | ||
| 17 Sep - 23 Sep | easyJet | ||
| 01 Sep - 01 Sep | Lufthansa |
Also check the deals for one-way flights from Naples to Keflavik in September.
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