AirHint found the following cheapest one-way flights from Bucharest (BBU) to Sofia (SOF) in April 2026 (see full year).
One-Way flights
| 15 Apr | Wizz Air Malta | ||
| 01 Apr | Wizz Air | ||
| 24 Apr | Wizz Air | ||
| 23 Apr | Ryanair | ||
| 20 Apr | Wizz Air | ||
| 27 Apr | Wizz Air | ||
| 05 Apr | Ryanair | ||
| 04 Apr | Wizz Air | ||
| 07 Apr | Wizz Air | ||
| 06 Apr | Wizz Air |
Also check the deals for return flights from Bucharest to Sofia in April.
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