The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 77.6 km east of Lessnig.
Other airports nearby include AVB - Aviano Ab (Pagliano E Gori) (102.0 km south west), LJU - Ljubliana Ljubljana (106.1 km south east), TRS - Ronchi De Legionari Ronchi Dei Legionari (107.4 km south), SZG - Salzburg (114.5 km north),