The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 5.5 km south west of Sankt Thomas.
Other airports nearby include LJU - Ljubliana Ljubljana (49.4 km south), GRZ - Graz (87.1 km north east), MBX - Maribor (100.8 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (117.6 km south west),