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SIR to PHX: distance & flight time
Sion (Sion Airport) → Phoenix (Phoenix Sky Harbor International Airport)
5,763 mi
9,274 km · 5,008 nm
11h 46m
estimated nonstop flight time
-9h
time difference · heading northwest
See live SIR→PHX fares Phone-only fares on this route — call free
Flight time details
5,763 miles nonstop takes roughly 11h 46m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- PHX — Phoenix Sky Harbor International Airport · Phoenix, 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 PHX
- SCF · Scottsdale Airport14 mi away
- MSC · Falcon Field16 mi away
- DVT · Phoenix Deer Valley Airport18 mi away
- GYR · Phoenix Goodyear Airport21 mi away
Frequently asked questions
How far is SIR from PHX?
The flight distance from Sion (SIR) to Phoenix (PHX) is 5,763 miles (9,274 km, 5,008 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to PHX?
A nonstop flight takes about 11h 46m 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 Phoenix?
Phoenix is 9 hours behind Sion.
What is the cheapest way to fly from SIR to PHX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–PHX that never appear on search engines, with no booking fees.