AirHint found the following cheapest return flights from Prague (PRG) to Ljubljana (LJU) in September 2026 (see full year).
Return flights
| 05 Sep - 09 Sep | SWISS | ||
| 05 Sep - 19 Sep | SWISS | ||
| 24 Sep - 27 Sep | SWISS | ||
| 27 Sep - 15 Oct | Vueling Airlines |
Also check the deals for one-way flights from Prague to Ljubljana in September.
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