The nearest airport is ZRH - Zurich, located 31.6 km west of Au.
Other airports nearby include ACH - St Gallen Altenrhein (47.4 km east), FDH - Friedrichshafen (53.0 km north east), ZQL - Donaueschingen Villingen (73.0 km north west), MLH - Bale Mulhouse (109.4 km west),