AirHint found the following cheapest one-way flights from Sofia (SOF) to Bucharest (BBU) in September 2026 (see full year).
One-Way flights
| 11 Sep | Wizz Air | ||
| 13 Sep | Ryanair | ||
| 10 Sep | Ryanair | ||
| 14 Sep | Wizz Air | ||
| 21 Sep | Ryanair | ||
| 02 Sep | Ryanair | ||
| 20 Sep | Ryanair | ||
| 18 Sep | Wizz Air | ||
| 01 Sep | Ryanair |
Also check the deals for return flights from Sofia to Bucharest in September.
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