AirHint found the following cheapest one-way flights from Cologne (CGN) to Ljubljana (LJU) in April 2026 (see full year).
One-Way flights
| 22 Apr | Wizz Air | ||
| 26 Apr | Wizz Air | ||
| 27 Apr | Wizz Air | ||
| 20 Apr | Wizz Air | ||
| 15 Apr | Ryanair | ||
| 14 Apr | Ryanair | ||
| 28 Apr | Ryanair | ||
| 13 Apr | Pegasus Airlines | ||
| 29 Apr | Wizz Air | ||
| 18 Apr | AJet |
Also check the deals for return flights from Cologne to Ljubljana in April.
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