The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 43.4 km south west of Sankt Stefan.
Other airports nearby include GRZ - Graz (49.2 km north east), LJU - Ljubliana Ljubljana (71.6 km south west), MBX - Maribor (73.5 km south east), ZAG - Zagreb (151.0 km south east),