AirHint found the following cheapest return flights from Cologne (CGN) to Ljubljana (LJU) in June 2026 (see full year).
Return flights
| 10 Jun - 21 Jun | Wizz Air | ||
| 18 Jun - 21 Jun | Lufthansa | ||
| 21 Jun - 28 Jun | Lufthansa | ||
| 18 Jun - 25 Jun | Lufthansa | ||
| 10 Jun - 13 Jun | Wizz Air | ||
| 20 Jun - 24 Jun | Lufthansa |
Also check the deals for one-way flights from Cologne to Ljubljana in June.
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