The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 27.2 km west of Gletschach.
Other airports nearby include LJU - Ljubliana Ljubljana (55.2 km south), GRZ - Graz (66.3 km north east), MBX - Maribor (80.3 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (134.3 km south west),