AirHint found the following cheapest return flights from Barcelona (BCN) to Ljubljana (LJU) in April 2026 (see full year).
Return flights
| 04 Apr - 11 Apr | SWISS | ||
| 09 Apr - 12 Apr | Vueling Airlines | ||
| 01 Apr - 06 Apr | SWISS | ||
| 21 Apr - 26 Apr | SWISS | ||
| 03 Apr - 05 Apr | Air Serbia |
Also check the deals for one-way flights from Barcelona to Ljubljana in April.
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