Sankt Gallen Altenrhein Airport
Sankt Gallen Altenrhein Airport
St. Gallen–Altenrhein Airport, German: Flughafen St. Gallen-Altenrhein, (IATA: ACH, ICAO: LSZR) is a small airport in Altenrhein in the Canton of St. Gallen, Switzerland, near Lake Constance. It is the home base for People's.
Location
47.485°N, 9.561°E · 398 m s. n. m. (1.306 ft)
General data
Runways · 2
Lengths and surfaces from the public OurAirports register; open runways only.
Radio frequencies · 6
Tower
Ground
ATIS (automatic information)
Approach
Area control (center)
Flight information
Reference frequencies for enthusiasts, from OurAirports (community database, public domain), checked on Oct 16, 2026. They may be outdated or incomplete and do not replace the AIP or current charts: not for navigation. In Europe the published frequency may be an 8.33 kHz channel (e.g., 118.505 for 118.500). In MHz.
History
At the end of World War II, Swiss authorities identified existing locations that were to be modernized as regional airports, a second tier of infrastructure to support the primary urban airports, with St. Gallen-Altenrhein being one of the five.
Austrian Airlines served St. Gallen-Altenrhein from Vienna since 2003 when it took over the route from Rheintalflug, a predecessor of InterSky. The airport decided to terminate the contracts with Austrian in 2011 and started their own airline, People's (formerly People's Viennaline), to serve the route. Austrian decided to continue the route as well in direct competition. As a result, there were up to six daily flights from the small airport to Vienna during that period. In spring 2013, Austrian announced the termination of its route to Vienna due to continuing losses as a result of the harsh competition. After that, People's offered a codeshare agreement to Austrian, which it declined.
Airlines operating here · 2
Other airlines with direct routes
Airlines with current passenger routes from here, according to Wikipedia route tables cross-checked from both ends (October 2026).
Photo: Carsten Steger · CC BY-SA 4.0 · view original
Data from OurAirports (public domain) · destinations and airlines from Wikipedia route tables (CC BY-SA, 2026), unless another source is given · profile and photo from Wikidata/Wikimedia Commons (CC0 / CC) · summary and history from Wikipedia (CC BY-SA).
Cite
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This page was last updated on October 15, 2026
APA
Vuelopedia. (2026, October 15). Sankt Gallen Altenrhein Airport (ACH). Retrieved October 26, 2026, from https://vuelopedia.org/en/airport/ACH
MLA
“Sankt Gallen Altenrhein Airport (ACH).” Vuelopedia, Fundación Poderia, 15 Oct. 2026, vuelopedia.org/en/airport/ACH. Accessed 26 Oct. 2026.
Chicago
Vuelopedia. “Sankt Gallen Altenrhein Airport (ACH).” Fundación Poderia. Last modified October 15, 2026. https://vuelopedia.org/en/airport/ACH.
Harvard
Vuelopedia (2026) Sankt Gallen Altenrhein Airport (ACH). Available at: https://vuelopedia.org/en/airport/ACH (Accessed: 26 October 2026).
BibTeX
@misc{vuelopedia_en_airport_ach,
author = {{Vuelopedia}},
title = {{Sankt Gallen Altenrhein Airport (ACH)}},
publisher = {Fundación Poderia},
year = {2026},
date = {2026-10-15},
url = {https://vuelopedia.org/en/airport/ACH},
howpublished = {\url{https://vuelopedia.org/en/airport/ACH}},
urldate = {2026-10-26},
note = {Accessed 2026-10-26}
}Wikipedia
{{cite web |url=https://vuelopedia.org/en/airport/ACH |title=Sankt Gallen Altenrhein Airport (ACH) |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-15 |access-date=2026-10-26 |language=en}}