The nearest airport is SZG - Salzburg, located 35.2 km west of Radau.
Other airports nearby include LNZ - Linz (Horsching) (68.6 km north east), MUC - Munich Munchen (137.1 km north west), KLU - Klagenfurt (Worthersee Intl) (149.6 km south east), GRZ - Graz (176.9 km south east),