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JSM to SIR: distance & flight time
Jose de San Martin (Jose De San Martin Airport) → Sion (Sion Airport)
7,834 mi
12,607 km · 6,807 nm
15h 50m
estimated nonstop flight time
+5h
time difference · heading northeast
See live JSM→SIR fares Phone-only fares on this route — call free
Flight time details
7,834 miles nonstop takes roughly 15h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- JSM — Jose De San Martin Airport · Jose de San Martin, Argentina
- SIR — Sion Airport · Sion, Switzerland
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 JSM
- ARR · D. Casimiro Szlapelis Airport69 mi away
- EQS · Brigadier Antonio Parodi Airport86 mi away
- FFU · Futaleufú Airport92 mi away
- GXQ · Teniente Vidal Airport134 mi away
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is JSM from SIR?
The flight distance from Jose de San Martin (JSM) to Sion (SIR) is 7,834 miles (12,607 km, 6,807 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JSM to SIR?
A nonstop flight takes about 15h 50m 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 Jose de San Martin and Sion?
Sion is 5 hours ahead of Jose de San Martin.
What is the cheapest way to fly from JSM to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JSM–SIR that never appear on search engines, with no booking fees.