Cheapest return CDG–LJU flights, September

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

Return flights

16 Sep - 27 Sep Air Serbia
22 Sep - 23 Sep Air Serbia
15 Sep - 25 Sep Air Serbia
03 Sep - 12 Sep Air Serbia
06 Sep - 18 Sep Air Serbia
07 Sep - 14 Sep Air Serbia
10 Sep - 13 Sep Air Serbia
03 Sep - 08 Sep Air Serbia
01 Sep - 08 Sep Air Serbia
12 Sep - 19 Sep Air Serbia

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

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