The nearest airport is ACH - St Gallen Altenrhein, located 28.3 km west of Riegen.
Other airports nearby include FDH - Friedrichshafen (32.6 km west), ZRH - Zurich (103.6 km west), INN - Innsbruck (113.0 km east), ZQL - Donaueschingen Villingen (113.9 km north west),