Direct Flights Copenhagen to Slovenia:

Copenhagen To Ljubljana

Flights Copenhagen to Slovenia with 1 stopover:

Flights via Frankfurt am Main (FRA)

Flights via Munich (MUC)
From Copenhagen (CPH), Denmark with Adria Transfer at Munich (MUC) Then on to Ljubljana (LJU) with Adria
OR
Then on to Ljubljana (LJU) with Lufthansa
Flights via Frankfurt am Main (FRA)
From Copenhagen (CPH), Denmark with Adria Transfer at Frankfurt am Main (FRA) Then on to Ljubljana (LJU) with Adria
OR
Then on to Ljubljana (LJU) with Lufthansa
Flights via Vienna (VIE)
From Copenhagen (CPH), Denmark with Austrian Airlines Transfer at Vienna (VIE) Then on to Ljubljana (LJU) with Austrian Airlines