AirHint found the following cheapest one-way flights from Frankfurt (FRA) to Ljubljana (LJU) in September 2025 (see full year).
One-Way flights
| 07 Sep | Wizz Air | ||
| 29 Sep | Ryanair | ||
| 14 Sep | Wizz Air | ||
| 23 Sep | Air Serbia | ||
| 16 Sep | Air Serbia | ||
| 03 Sep | Wizz Air Malta | ||
| 24 Sep | Wizz Air Malta | ||
| 18 Sep | Wizz Air Malta | ||
| 25 Sep | Wizz Air Malta | ||
| 08 Sep | Air Serbia |
Also check the deals for return flights from Frankfurt to Ljubljana in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
Find us on social media