Altenrhein IATA and ICAO Airport Codes
Altenrhein has one major airport, St. Gallen–Altenrhein Airport. IATA airport code is ACH.
St. Gallen–Altenrhein Airport

- Altenrhein, Switzerland
- IATA airport code ACH
- ICAO airport code LSZR
- St. Gallen–Altenrhein Airport (ACH)