The nearest airport is GRZ - Graz, located 48.3 km south west of Unterbuch.
Other airports nearby include MBX - Maribor (85.0 km south), VIE - Vienna Schwechat (108.7 km north east), BTS - Bratislava M R Stefanik (140.5 km north east), KLU - Klagenfurt (Worthersee Intl) (140.6 km south west),