Car Rental at Altenrhein Airport (ACH)

St. Gallen-Altenrhein airport (ACH) is located on the shore of Lake Constance in the canton of St. Gallen, just 15 km north of St.

Gallen center. With 2 car rental providers on site, it's convenient to continue with a rental car to the Lake Constance region and Vorarlberg. From the airport you can reach St.

Gallen in 20 km (approximately 20 minutes via A1), Bregenz in Austria in 25 km (approximately 25 minutes) and Constance in Germany in 35 km (approximately 35 minutes). Lake Constance is surrounded by three countries and offers fantastic driving routes along the shoreline. Check that your rental car insurance covers driving in Austria and Germany – both countries are reached within 30 minutes.

Appenzell with its traditional culture is just 20 km to the south. The airport is small – pick up your car upon arrival to avoid queues. What countries can I easily reach with a rental car from Altenrhein?

Austria (Bregenz, 25 km) and Germany (Constance, 35 km) are both reached within 35 minutes – check cross-border conditions with the rental company. How far is it from Altenrhein airport to St. Gallen?

It is approximately 20 km and takes about 20 minutes via motorway A1. Is there public transport from the airport if I don't want to rent a car? Yes, bus connections are available to St.

Gallen, but a rental car offers the most flexibility to explore the Lake Constance region.

We compare prices from all major providers at Altenrhein Airport so you can see the total cost upfront — including insurance, fuel terms and any extras. Most bookings include free cancellation up to 48 hours before pickup, giving you flexibility if your plans change.