The nearest airport is FDH - Friedrichshafen, located 16.0 km west of Flunau.
Other airports nearby include ACH - St Gallen Altenrhein (20.2 km south west), ZRH - Zurich (89.9 km west), ZQL - Donaueschingen Villingen (97.1 km north west), SMV - Samedan (122.9 km south),