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ISA to SIR: distance & flight time
Mount Isa (Mount Isa Airport) → Sion (Sion Airport)
9,229 mi
14,853 km · 8,020 nm
18h 34m
estimated nonstop flight time
-8h
time difference · heading northwest
See live ISA→SIR fares Phone-only fares on this route — call free
Flight time details
9,229 miles nonstop takes roughly 18h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- 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 ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 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 ISA from SIR?
The flight distance from Mount Isa (ISA) to Sion (SIR) is 9,229 miles (14,853 km, 8,020 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to SIR?
A nonstop flight takes about 18h 34m 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 Mount Isa and Sion?
Sion is 8 hours behind Mount Isa.
What is the cheapest way to fly from ISA to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–SIR that never appear on search engines, with no booking fees.