Sankt Gallen Altenrhein Airport is a medium-sized airport serving St. Gallen, Switzerland. Its IATA code is ACH and its ICAO code is LSZR. The airport lies at an elevation of 1,306 ft (398 m) above sea level. It has 2 runway(s); the longest is 10/28, 4,774 ft (1,455 m) long. Local time follows the Europe/Zurich time zone.
Key facts
- IATA code
- ACH
- ICAO code
- LSZR
- Airport type
- Medium airport
- Elevation
- 1,306 ft (398 m)
- Coordinates
- 47.4850, 9.5608
- Time zone
- Europe/Zurich
- Local time now
- —
- Scheduled service
- Yes
Location
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 10/28 | 4,774 ft · 1,455 m | 98 ft · 30 m | Asphalt | Yes |
| 10L/28R | 2,657 ft · 810 m | 65 ft · 20 m | Grass | No |
Nearest airports
Airports with scheduled service closest to Sankt Gallen Altenrhein Airport, by great-circle distance.
| Airport | City | Distance |
|---|---|---|
| FDH Bodensee Airport Friedrichshafen | Friedrichshafen, Germany | 21 km · 13 mi |
| FMM Memmingen Allgau Airport | Memmingen, Germany | 75 km · 47 mi |
| ZRH Zürich Airport | Zurich, Switzerland | 76 km · 47 mi |
| STR Stuttgart Airport | Stuttgart, Germany | 136 km · 85 mi |
| INN Innsbruck Airport | Innsbruck, Austria | 137 km · 85 mi |
| BSL EuroAirport Basel–Mulhouse–Freiburg | Bâle / Mulhouse, France | 154 km · 96 mi |
| BRN Bern Airport | Bern, Switzerland | 168 km · 104 mi |
| LUG Lugano Airport | Agno, Switzerland | 172 km · 107 mi |
Distances to major hubs
Great-circle distances from ACH. These are geographic distances, not a list of operated flights.
| Airport | km | mi | NM | |
|---|---|---|---|---|
| FRA Frankfurt am Main | 292 | 181 | 158 | View route |
| CDG Paris (Roissy-en-France, Val-d'Oise) | 546 | 339 | 295 | View route |
| LHR London | 848 | 527 | 458 | View route |
| IST Istanbul | 1,667 | 1,036 | 900 | View route |
| DXB Dubai | 4,696 | 2,918 | 2,535 | View route |
| DEL New Delhi | 6,072 | 3,773 | 3,279 | View route |
| JFK New York | 6,377 | 3,962 | 3,443 | View route |
| ATL Atlanta | 7,599 | 4,722 | 4,103 | View route |
| PEK Beijing | 7,912 | 4,916 | 4,272 | View route |
| JNB Johannesburg | 8,398 | 5,218 | 4,535 | View route |
| HND Tokyo | 9,539 | 5,927 | 5,151 | View route |
| LAX Los Angeles | 9,583 | 5,954 | 5,174 | View route |
| GRU São Paulo | 9,668 | 6,007 | 5,220 | View route |
| MEX Mexico City | 9,742 | 6,053 | 5,260 | View route |
| SIN Singapore | 10,230 | 6,356 | 5,524 | View route |
| SYD Sydney (Mascot) | 16,493 | 10,248 | 8,906 | View route |
Radio frequencies
Not for navigation. Always use official, current aeronautical publications.
| Type | Description | MHz |
|---|---|---|
| ACC | ZURICH RADAR | 133.900 |
| ARR | ZURICH ARR | 119.925 |
| ATIS | ATIS | 123.775 |
| FIS | Zurich Information (en,ge) | 124.700 |
| GND | GND | 121.800 |
| TWR | TWR | 118.650 |
External links
External links come from the source dataset and are not independently verified by FlyingWorld.
Frequently asked questions
What is the airport code of Sankt Gallen Altenrhein Airport?
The IATA code of Sankt Gallen Altenrhein Airport is ACH and its ICAO code is LSZR.
Where is Sankt Gallen Altenrhein Airport located?
Sankt Gallen Altenrhein Airport is in St. Gallen, St. Gallen, Switzerland, at 47.4850, 9.5608.
What time zone is Sankt Gallen Altenrhein Airport in?
Sankt Gallen Altenrhein Airport uses the IANA time zone Europe/Zurich. Daylight saving time, where applicable, is applied automatically by the clock on this page.
How long is the longest runway at Sankt Gallen Altenrhein Airport?
The longest runway listed is 10/28, 4,774 ft (1,455 m) long.
What is the nearest airport to Sankt Gallen Altenrhein Airport?
The nearest airport with scheduled service in our directory is Bodensee Airport Friedrichshafen (FDH), about 21 km (13 mi) away.
Source: OurAirports (data updated: 9 November 2026). Not for navigation. Always use official, current aeronautical publications.