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ASU to SIR: distance & flight time
Asuncion (Silvio Pettirossi International Airport) → Sion (Sion Airport)
6,384 mi
10,274 km · 5,548 nm
12h 59m
estimated nonstop flight time
+5h
time difference · heading northeast
See live ASU→SIR fares Phone-only fares on this route — call free
Flight time details
6,384 miles nonstop takes roughly 12h 59m 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
- ASU — Silvio Pettirossi International Airport · Asuncion, Paraguay
- 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 ASU
- FMA · Formosa Airport80 mi away
- CIO · Teniente Col Carmelo Peralta Airport124 mi away
- PIL · Carlos Miguel Gimenez Airport124 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 ASU from SIR?
The flight distance from Asuncion (ASU) to Sion (SIR) is 6,384 miles (10,274 km, 5,548 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASU to SIR?
A nonstop flight takes about 12h 59m 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 Asuncion and Sion?
Sion is 5 hours ahead of Asuncion.
What is the cheapest way to fly from ASU to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASU–SIR that never appear on search engines, with no booking fees.