Airport St. Gallen-Altenrhein is a regional airport in Switzerland, Thal region, about 20 kilometers northeast of St. Gallen, on the shores of Lake Constance and near the border with Austria. Address: Flughafenstrasse 11, 9423 Thal, Schweiz, Phone: +41 71 858 51 65. Use our booking service today! All you have to do is fill out the booking form and send it. Once we have received your transfer data from you, we will arrange the transfer from St. Gallen-Altenrhein to St Anton.