The nearest airport is ACH - St Gallen Altenrhein, located 16.0 km south west of Weidach.
Other airports nearby include FDH - Friedrichshafen (22.4 km north west), ZRH - Zurich (91.0 km west), ZQL - Donaueschingen Villingen (103.4 km north west), SMV - Samedan (113.4 km south),