The nearest airport is MLH - Bale Mulhouse, located 25.3 km west of Unterdorf.
Other airports nearby include ZRH - Zurich (53.1 km east), ZQL - Donaueschingen Villingen (65.5 km north east), CMR - Colmar Houssen (69.8 km north west), BRN - Bern Belp (79.5 km south),