AirHint found the following cheapest return flights from Frankfurt (FRA) to Ljubljana (LJU) in April 2026 (see full year).
Return flights
| 08 Apr - 12 Apr | Air Serbia | ||
| 14 Apr - 19 Apr | LOT | ||
| 08 Apr - 12 Apr | Lufthansa | direct | |
| 14 Apr - 19 Apr | Lufthansa | direct |
Also check the deals for one-way flights from Frankfurt to Ljubljana in April.
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