AirHint found the following cheapest return flights from Sofia (SOF) to Ljubljana (LJU) in April 2026 (see full year).
Return flights
| 25 Apr - 28 Apr | Air Serbia | ||
| 24 Apr - 28 Apr | Air Serbia | ||
| 22 Apr - 28 Apr | Lufthansa | ||
| 22 Apr - 26 Apr | Wizz Air | ||
| 23 Apr - 26 Apr | Air Serbia |
Also check the deals for one-way flights from Sofia to Ljubljana in April.
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