ACH — Sankt Gallen Altenrhein Airport
Medium-sized airport in St. Gallen, Switzerland.
- IATA code
- ACH
- ICAO code
- LSZR
- Size
- medium
- OurAirports class
- Passengers
- 68,978
- 2025 · −0.7% on the year before
- Nonstop routes
- —
- No open route data
- Time zone
- UTC+1 / UTC+2
- Europe/Zurich
- Elevation
- 398 m
- 1,306 ft
- Runways
- 2
- Longest 1,455 m
Jan–Jun 2026: 32,152 passengers, −3.0% on the same months of 2025 (Eurostat).
Local time now: —
More codes: airport codes starting with A
About ACH
Sankt Gallen Altenrhein Airport is a medium-sized airport serving St. Gallen, Switzerland. It opened in 1927. 68,978 passengers used it in 2025.
Wikidata (CC0) · Eurostat. Sources
Airports within 150 km
| Code | Airport | Distance |
|---|---|---|
| FDH | Bodensee Airport Friedrichshafen | 21 km |
| FMM | Memmingen Allgau Airport | 75 km |
| ZRH | Zürich Airport | 76 km |
| STR | Stuttgart Airport | 136 km |
| INN | Innsbruck Airport | 137 km |
Distance from ACH to the major hubs
Runways
| Runway | Length | Width | Surface |
|---|---|---|---|
| 10/28 | 1,455 m | 30 m | Asphalt |
| 10L/28R | 810 m | 20 m | Grass |
OurAirports (public domain). Sources
Location
St. Gallen, St. Gallen, Switzerland · 47.4850, 9.5608
Questions
Sankt Gallen Altenrhein Airport has the IATA code ACH and the ICAO code LSZR. Airlines and tickets use the three-letter IATA code; pilots and air traffic control use the four-letter ICAO code.
ACH is a medium-sized airport in St. Gallen, St. Gallen, Switzerland, at 47.4850, 9.5608, 398 m above sea level.
ACH is in the Europe/Zurich time zone, UTC+1 / UTC+2 (winter / summer).
68,978 passengers in 2025, according to Eurostat. Jan–Jun 2026: 32,152 passengers, −3.0% on the same months of 2025.
Sankt Gallen Altenrhein Airport opened in 1927.
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