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SIR to SAT: distance & flight time
Sion (Sion Airport) → San Antonio (San Antonio International Airport)
5,453 mi
8,777 km · 4,739 nm
11h 10m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SIR→SAT fares Phone-only fares on this route — call free
Flight time details
5,453 miles nonstop takes roughly 11h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- SAT — San Antonio International Airport · San Antonio, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Near SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 mi away
Frequently asked questions
How far is SIR from SAT?
The flight distance from Sion (SIR) to San Antonio (SAT) is 5,453 miles (8,777 km, 4,739 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to SAT?
A nonstop flight takes about 11h 10m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Sion and San Antonio?
San Antonio is 7 hours behind Sion.
What is the cheapest way to fly from SIR to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–SAT that never appear on search engines, with no booking fees.