Sankt Gallen Altenrhein Airport

LSZR ACH St. Gallen, SG, CH

LSZR is the ICAO code for Sankt Gallen Altenrhein Airport (IATA ACH), located in St. Gallen, SG, CH.

Private aviation gateway for eastern Switzerland, the Lake Constance region, Liechtenstein, and western Austria, 15 km from St. Gallen.

Airport guide

Altenrhein sits on the southern shore of Lake Constance, just west of the Austrian border. It is a small regional airport that handles both scheduled and private traffic, which keeps the terminal uncrowded and ground handling straightforward. Customs clearance is available on-site, making it a practical entry point for flights from outside the Schengen zone.

The airport does not operate around the clock. Arrivals and departures outside published hours require prior coordination with the airport authority. Pilots and operators should confirm slot availability for early morning or evening movements, particularly on weekends. The airport is not subject to the same congestion as Zurich, and parking is generally available without advance booking for shorter stays.

Getting there

St. Gallen city center is about 15 km west, roughly 20 minutes by car. Bregenz, the capital of Austria's Vorarlberg state, is 20 km east across the Rhine, around 25 minutes. Vaduz, the capital of Liechtenstein, is 35 km south, approximately 35 minutes. Zurich is around 85 km southwest, about 75 minutes by road. Car hire is available at the airport. For Liechtenstein destinations, a direct car transfer is the most practical option as there is no rail connection to Vaduz.

At a glance

Customs / CBP Available
Curfew Night ops require coordination

Empty legs

Departing 0
Arriving 0
FBOs 1
Operators 0

Empty legs

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Frequently asked questions about Sankt Gallen Altenrhein Airport

What is LSZR airport?

LSZR is the ICAO code for Sankt Gallen Altenrhein Airport, in St. Gallen, SG.

What does ACH stand for?

ACH is the IATA code for Sankt Gallen Altenrhein Airport (LSZR) in St. Gallen, SG.

Where is Sankt Gallen Altenrhein Airport?

Sankt Gallen Altenrhein Airport is located in St. Gallen, SG, CH.

Does Sankt Gallen Altenrhein Airport have customs and immigration?

Yes — Sankt Gallen Altenrhein Airport has on-site customs and immigration. International arrivals can clear directly without diverting to another airport.

What FBOs are at Sankt Gallen Altenrhein Airport?

Sankt Gallen Altenrhein Airport has 1 FBO: People's FBO / ExecuJet.