The nearest airport is STR - Stuttgart, located 32.4 km north of Undingen.
Other airports nearby include ZQL - Donaueschingen Villingen (68.3 km south west), FDH - Friedrichshafen (84.6 km south), ZCC - Baden-baden Baden Oos (85.4 km north west), ACH - St Gallen Altenrhein (105.6 km south),