Need help booking?
Unpublished phone-only deals available
SIR to COS: distance & flight time
Sion (Sion Airport) → Colorado Springs (City of Colorado Springs Municipal Airport)
5,217 mi
8,396 km · 4,534 nm
10h 42m
estimated nonstop flight time
-8h
time difference · heading northwest
See live SIR→COS fares Phone-only fares on this route — call free
Flight time details
5,217 miles nonstop takes roughly 10h 42m 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
- SIR — Sion Airport · Sion, Switzerland
- COS — City of Colorado Springs Municipal Airport · Colorado Springs, 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 COS
- FCS · Butts AAF (Fort Carson) Air Field9 mi away
- DEN · Denver International Airport73 mi away
- PUB · Pueblo Memorial Airport37 mi away
- APA · Centennial Airport53 mi away
Frequently asked questions
How far is SIR from COS?
The flight distance from Sion (SIR) to Colorado Springs (COS) is 5,217 miles (8,396 km, 4,534 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to COS?
A nonstop flight takes about 10h 42m 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 Colorado Springs?
Colorado Springs is 8 hours behind Sion.
What is the cheapest way to fly from SIR to COS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–COS that never appear on search engines, with no booking fees.