AirHint found the following cheapest one-way flights from Lisbon (LIS) to Ljubljana (LJU) in September 2026 (see full year).
One-Way flights
| 30 Sep | easyJet | ||
| 17 Sep | Air Serbia | ||
| 19 Sep | Air Serbia | ||
| 25 Sep | Air Serbia | ||
| 24 Sep | Air Serbia | ||
| 09 Sep | Vueling Airlines | ||
| 05 Sep | Iberia | ||
| 08 Sep | Iberia | ||
| 20 Sep | easyJet | ||
| 22 Sep | Air Serbia |
Also check the deals for return flights from Lisbon to Ljubljana in September.
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