The nearest airport is GRZ - Graz, located 72.3 km south west of Mariensee.
Other airports nearby include VIE - Vienna Schwechat (78.4 km north east), BTS - Bratislava M R Stefanik (117.1 km north east), MBX - Maribor (119.0 km south), LNZ - Linz (Horsching) (154.1 km north west),