AirHint found the following cheapest return flights from Ljubljana (LJU) to Cologne (CGN) in April 2026 (see full year).
Return flights
| 03 Apr - 06 Apr | Lufthansa | ||
| 03 Apr - 05 Apr | Lufthansa | ||
| 17 Apr - 19 Apr | Air Serbia | ||
| 16 Apr - 18 Apr | Pegasus Airlines | ||
| 12 Apr - 18 Apr | Vueling Airlines | ||
| 11 Apr - 18 Apr | Lufthansa | ||
| 14 Apr - 16 Apr | Air Serbia |
Also check the deals for one-way flights from Ljubljana to Cologne in April.
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