The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 18.3 km north east of Sinach.
Other airports nearby include LJU - Ljubliana Ljubljana (38.8 km south east), TRS - Ronchi De Legionari Ronchi Dei Legionari (94.3 km south west), GRZ - Graz (109.5 km north east), MBX - Maribor (115.4 km east),