AirHint found the following cheapest return flights from Naples (NAP) to Helsinki (HEL) in September 2026 (see full year).
Return flights
| 23 Sep - 02 Oct | Lufthansa | ||
| 04 Sep - 25 Sep | Lufthansa | ||
| 24 Sep - 02 Oct | Lufthansa | ||
| 26 Sep - 04 Oct | Lufthansa | ||
| 04 Sep - 25 Sep | Finnair | direct |
Also check the deals for one-way flights from Naples to Helsinki in September.
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