AirHint found the following cheapest return flights from Naples (NAP) to Sofia (SOF) in September 2026 (see full year).
Return flights
| 01 Sep - 13 Sep | Wizz Air | direct | |
| 01 Sep - 20 Sep | Wizz Air | direct | |
| 17 Sep - 20 Sep | Wizz Air | direct | |
| 11 Sep - 13 Sep | Ryanair | direct | |
| 11 Sep - 20 Sep | Ryanair | direct |
Also check the deals for one-way flights from Naples to Sofia in September.
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