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STC to SIR: distance & flight time
Saint Cloud (St Cloud Regional Airport) → Sion (Sion Airport)
4,504 mi
7,248 km · 3,914 nm
9h 18m
estimated nonstop flight time
+7h
time difference · heading northeast
See live STC→SIR fares Phone-only fares on this route — call free
Flight time details
4,504 miles nonstop takes roughly 9h 18m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- STC — St Cloud Regional Airport · Saint Cloud, United States
- 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 STC
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 STC from SIR?
The flight distance from Saint Cloud (STC) to Sion (SIR) is 4,504 miles (7,248 km, 3,914 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STC to SIR?
A nonstop flight takes about 9h 18m 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 Saint Cloud and Sion?
Sion is 7 hours ahead of Saint Cloud.
What is the cheapest way to fly from STC to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STC–SIR that never appear on search engines, with no booking fees.