AirHint found the following cheapest return flights from Sofia (SOF) to Ljubljana (LJU) in June 2026 (see full year).
Return flights
| 24 Jun - 28 Jun | Air Serbia | ||
| 10 Jun - 14 Jun | Air Serbia | ||
| 10 Jun - 15 Jun | Air Serbia | ||
| 20 Jun - 24 Jun | Lufthansa |
Also check the deals for one-way flights from Sofia to Ljubljana in June.
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