The nearest airport is VIE - Vienna Schwechat, located 72.1 km north east of Schlagl.
Other airports nearby include GRZ - Graz (80.0 km south west), BTS - Bratislava M R Stefanik (113.8 km north east), MBX - Maribor (129.4 km south), LNZ - Linz (Horsching) (145.4 km north west),