The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 19.9 km north of Zerjau.
Other airports nearby include LJU - Ljubliana Ljubljana (29.9 km south east), TRS - Ronchi De Legionari Ronchi Dei Legionari (95.1 km south west), GRZ - Graz (105.4 km north east), MBX - Maribor (107.2 km east),