AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Sofia (SOF) in September 2025 (see full year).
Return flights
| 20 Sep - 25 Sep | Wizz Air Malta | ||
| 19 Sep - 22 Sep | Wizz Air Malta | ||
| 05 Sep - 12 Sep | Wizz Air Malta |
Also check the deals for one-way flights from Cluj-napoca to Sofia in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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