AirHint found the following cheapest one-way flights from Sofia (SOF) to Barcelona (BCN) in September 2026 (see full year).
One-Way flights
| 14 Sep | Wizz Air | direct | |
| 25 Sep | Ryanair | direct | |
| 26 Sep | Ryanair | direct | |
| 21 Sep | Wizz Air | direct | |
| 22 Sep | Wizz Air | direct | |
| 08 Sep | Ryanair | direct | |
| 03 Sep | Ryanair | direct | |
| 01 Sep | Ryanair | direct |
Also check the deals for return flights from Sofia to Barcelona in September.
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