The nearest airport is ACH - St Gallen Altenrhein, located 54.6 km west of Sonthofen.
Other airports nearby include FDH - Friedrichshafen (60.5 km west), INN - Innsbruck (85.0 km east), OBF - Oberpfaffenhofen (97.7 km north east), FEL - Fuerstenfeldbruck Furstenfeldbruck (106.2 km north east),