AirHint found the following cheapest return flights from Cologne (CGN) to Ljubljana (LJU) in March 2026 (see full year).
Return flights
| 01 Mar - 08 Mar | Wizz Air | ||
| 07 Mar - 22 Mar | AJet | ||
| 06 Mar - 08 Mar | Lufthansa | ||
| 07 Mar - 21 Mar | Lufthansa | ||
| 07 Mar - 08 Mar | SWISS | ||
| 28 Mar - 04 Apr | Air Serbia |
Also check the deals for one-way flights from Cologne to Ljubljana in March.
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