Cheapest return ZRH–LJU flights, September

AirHint found the following cheapest return flights from Zurich (ZRH) to Ljubljana (LJU) in September 2026 (see full year).

Return flights

10 Sep - 13 Sep Air Serbia
11 Sep - 13 Sep Air Serbia
20 Sep - 25 Sep SWISS direct
05 Sep - 08 Sep SWISS direct
10 Sep - 13 Sep SWISS direct
11 Sep - 13 Sep SWISS direct
30 Sep - 04 Oct SWISS direct
09 Sep - 13 Sep SWISS direct
23 Sep - 26 Sep SWISS direct
06 Sep - 08 Sep LOT
06 Sep - 08 Sep SWISS direct

Also check the deals for one-way flights from Zurich to Ljubljana in September.

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