The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 41.4 km south west of Sankt Marein.
Other airports nearby include GRZ - Graz (51.2 km north east), LJU - Ljubliana Ljubljana (70.9 km south west), MBX - Maribor (75.7 km south east), TRS - Ronchi De Legionari Ronchi Dei Legionari (150.8 km south west),