Need help booking?
Unpublished phone-only deals available
SIR to SYT: distance & flight time
Sion (Sion Airport) → St.-yan (Saint-Yan Airport)
159 mi
255 km · 138 nm
53m
estimated nonstop flight time
Same time
time difference · heading west
See live SIR→SYT fares Phone-only fares on this route — call free
Flight time details
159 miles nonstop takes roughly 53m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- SYT — Saint-Yan Airport · St.-yan, France
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 SYT
- RNE · Roanne-Renaison Airport24 mi away
- VHY · Vichy-Charmeil Airport34 mi away
- CFE · Clermont-Ferrand Auvergne Airport59 mi away
- NVS · Nevers-Fourchambault Airport59 mi away
Frequently asked questions
How far is SIR from SYT?
The flight distance from Sion (SIR) to St.-yan (SYT) is 159 miles (255 km, 138 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to SYT?
A nonstop flight takes about 53m 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 cheapest way to fly from SIR to SYT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–SYT that never appear on search engines, with no booking fees.