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SIR to DSM: distance & flight time
Sion (Sion Airport) → Des Moines (Des Moines International Airport)
4,675 mi
7,524 km · 4,063 nm
9h 38m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SIR→DSM fares Phone-only fares on this route — call free
Flight time details
4,675 miles nonstop takes roughly 9h 38m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- DSM — Des Moines International Airport · Des Moines, 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 DSM
- OTM · Ottumwa Regional Airport70 mi away
- FOD · Fort Dodge Regional Airport75 mi away
- ALO · Waterloo Regional Airport96 mi away
- CID · The Eastern Iowa Airport104 mi away
Frequently asked questions
How far is SIR from DSM?
The flight distance from Sion (SIR) to Des Moines (DSM) is 4,675 miles (7,524 km, 4,063 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to DSM?
A nonstop flight takes about 9h 38m 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 Des Moines?
Des Moines is 7 hours behind Sion.
What is the cheapest way to fly from SIR to DSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–DSM that never appear on search engines, with no booking fees.