The nearest airport is FDH - Friedrichshafen, located 34.1 km east of Kaltbrunn.
Other airports nearby include ACH - St Gallen Altenrhein (46.3 km south east), ZQL - Donaueschingen Villingen (48.7 km north west), ZRH - Zurich (49.1 km south west), STR - Stuttgart (107.0 km north),