Airports / Switzerland / SIR
Based operators
Field elevation
Nearest alternate
Field standing
5 operators
Charter fleet based on the field
More resident charter operators than 90% of the 650 US fields with a based fleet on the register.
29 nm
To the nearest alternate
Aosta Corrado Gex Airport (AOT) — 4 fields within 50 nm.
Overview
Sion Airport (LSGS / SIR) sits in Sion, Switzerland, where it functions as a mid-sized airport. Field elevation is 1,582 feet above sea level. Free of scheduled airline operations, it serves business aviation, charter flights, and local general aviation.
For charter flyers, SIR is a home base: Air Mountain SA, Air-Glaciers, and Eagle United operate from the field, 5 in all. The closest alternate fields are Aosta Corrado Gex Airport (AOT, 29 nm), Payerne Air Base (VIP, 41 nm), and Bern Airport (BRN, 42 nm).
Trip costs from SIR are driven by the aircraft category flown and how far it must reposition. You may also see the field referenced as LSMS. Browse operators flying from the area or estimate a trip cost from SIR to plan your flight.
Field capability
ICAO
LSGS
IATA
SIR
FAA / Local
LSGS
Elevation
1,582 ft
Coordinates
46.2192° N · 7.3269° E
Airspace
G · GolfClass G — GolfUncontrolled field — no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
No
Elevation vs Switzerland fields
state range 915–5,600 ft
At 1,582 ft, SIR sits higher than 69% of the 13 Switzerland fields on the register.
Based charter operators5
Access & alternates
Closest alternate fields by great-circle distance — every listing links to its own field brief.
- 29nmAOTAosta Corrado Gex AirportSaint-Christophe (AO)
- 41nmVIPPayerne Air BasePayerne
- 42nmBRNBern AirportBern
- 44nmLFLIAnnemasse AirfieldAnnemasse
- 51nmGVAGeneva International AirportGeneva
- 54nmNCYAnnecy Meythet airportAnnecy
Location
Open the full mapLSGS · Sion Airport · Sion, Switzerland