AirHint found the following cheapest return flights from Singapore (SIN) to Ljubljana (LJU) in September 2026 (see full year).
Return flights
| 25 Sep - 09 Oct | Turkish Airlines | ||
| 25 Sep - 04 Oct | Air France | ||
| 25 Sep - 11 Oct | SWISS | ||
| 18 Sep - 26 Sep | Lufthansa | ||
| 25 Sep - 10 Oct | Turkish Airlines | ||
| 19 Sep - 26 Sep | Lufthansa |
Also check the deals for one-way flights from Singapore to Ljubljana in September.
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