The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 8.5 km north east of Krottendorf.
Other airports nearby include LJU - Ljubliana Ljubljana (42.6 km south), GRZ - Graz (100.4 km north east), TRS - Ronchi De Legionari Ronchi Dei Legionari (104.0 km south west), MBX - Maribor (109.5 km east),