The nearest airport is MLH - Bale Mulhouse, located 10.1 km north west of Au.
Other airports nearby include CMR - Colmar Houssen (66.0 km north), ZRH - Zurich (68.4 km east), BRN - Bern Belp (71.6 km south), ZQL - Donaueschingen Villingen (80.6 km north east),