Cheapest return MAD–LJU flights, September

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

Return flights

14 Sep - 22 Sep Wizz Air Malta
12 Sep - 15 Sep Iberia direct
04 Sep - 20 Sep Wizz Air
29 Sep - 03 Oct Ryanair
07 Sep - 14 Sep Wizz Air
12 Sep - 20 Sep Iberia
27 Sep - 01 Oct Ryanair
04 Sep - 16 Sep Wizz Air
12 Sep - 14 Sep Iberia
10 Sep - 14 Sep Air Serbia
05 Sep - 15 Sep Iberia direct
07 Sep - 13 Sep Wizz Air Malta

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

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