AirportsSankt Gallen Altenrhein Airport is a medium-sized airport serving St. Gallen, in Switzerland. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is ACH.
Key facts
- IATA code
- ACH
- ICAO code
- LSZR
- City
- St. Gallen
- State or region
- St. Gallen
- Country
- Switzerland
- Kind
- Medium airport
- Coordinates
- 47.4850° N, 9.5608° E
- Elevation
- 398 m (1,306 ft)
- Runways
- 2
- Longest runway
- 1,455 m (4,774 ft)
Airport codes
On a ticket or a baggage tag, ACH means Sankt Gallen Altenrhein Airport. Pilots and air traffic controllers use a different, four-letter ICAO code: LSZR. ICAO codes that begin with L belong to southern Europe, Israel and Turkey. How the two kinds of code differ.
Where it is
The airport lies at 47.4850° N, 9.5608° E. It stands 398 metres (1,306 feet) above sea level. The nearest large city in our data is Zürich, about 77 km away in a straight line.
Local time
Time now at the airport: loading
Time zone Europe/Vienna, taken from the nearest town in the data. Flight times on tickets are always in the local time of each airport.
Runways
Sankt Gallen Altenrhein Airport has 2 runways in the data. The longest is 1,455 metres (4,774 feet). That is a short runway, used mostly by propeller aircraft. Among the 5 airports of Switzerland on this site with runway data, its longest runway ranks number 4.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 10/28 | 1,455 m 4,774 ft | 30 m | Asphalt | Yes |
| 10L/28R | 810 m 2,657 ft | 20 m | Grass | not listed |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Bodensee Airport FriedrichshafenFriedrichshafen, Germany | FDH | 21 km |
| Memmingen Allgau AirportMemmingen, Germany | FMM | 75 km |
| Zürich AirportZurich | ZRH | 76 km |
| Stuttgart AirportStuttgart, Germany | STR | 136 km |
| Innsbruck AirportInnsbruck, Austria | INN | 137 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 6,072 km | 7 h 50 min |
| Mumbai (BOM)India | 6,464 km | 8 h 15 min |
| Dubai (DXB)United Arab Emirates | 4,696 km | 6 h 10 min |
| London Heathrow (LHR)United Kingdom | 848 km | 1 h 30 min |
| New York JFK (JFK)United States | 6,377 km | 8 h 10 min |
| Los Angeles (LAX)United States | 9,583 km | 12 h 05 min |
| Singapore (SIN)Singapore | 10,230 km | 12 h 50 min |
| Tokyo Haneda (HND)Japan | 9,539 km | 12 h 00 min |
| Sydney (SYD)Australia | 16,493 km | 20 h 20 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.