AirHint found the following cheapest return flights from Frankfurt (FRA) to Ljubljana (LJU) in December 2026 (see full year).
Return flights
| 27 Dec - 02 Jan | Lufthansa | direct | |
| 26 Dec - 02 Jan | Lufthansa | direct | |
| 26 Dec - 01 Jan | SWISS | ||
| 28 Dec - 31 Dec | Lufthansa | direct | |
| 30 Dec - 01 Jan | Air France | ||
| 28 Dec - 01 Jan | SWISS |
Also check the deals for one-way flights from Frankfurt to Ljubljana in December.
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