AirHint found the following cheapest one-way flights from Ljubljana (LJU) to Keflavik (KEF) in September 2025 (see full year).
One-Way flights
| 26 Sep | Air Serbia | ||
| 27 Sep | Transavia France | ||
| 28 Sep | Air Serbia | ||
| 13 Sep | Eurowings | ||
| 29 Sep | Norwegian Air Sweden AOC |
Also check the deals for return flights from Ljubljana to Keflavik 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