AirHint found the following cheapest return flights from Birmingham (BHX) to Ljubljana (LJU) in September 2026 (see full year).
Return flights
| 04 Sep - 10 Sep | SWISS | ||
| 04 Sep - 14 Sep | Lufthansa | ||
| 11 Sep - 14 Sep | SWISS |
Also check the deals for one-way flights from Birmingham to Ljubljana in September.
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