Need help booking?
Unpublished phone-only deals available
SIR to VTE: distance & flight time
Sion (Sion Airport) → Vientiane (Wattay International Airport)
5,571 mi
8,965 km · 4,841 nm
11h 23m
estimated nonstop flight time
+5h
time difference · heading east
See live SIR→VTE fares Phone-only fares on this route — call free
Flight time details
5,571 miles nonstop takes roughly 11h 23m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- VTE — Wattay International Airport · Vientiane, Laos
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 VTE
- UTH · Udon Thani Airport44 mi away
- LOE · Loei Airport67 mi away
- ZBY · Sayaboury Airport103 mi away
- KKC · Khon Kaen Airport106 mi away
Frequently asked questions
How far is SIR from VTE?
The flight distance from Sion (SIR) to Vientiane (VTE) is 5,571 miles (8,965 km, 4,841 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to VTE?
A nonstop flight takes about 11h 23m 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 Vientiane?
Vientiane is 5 hours ahead of Sion.
What is the cheapest way to fly from SIR to VTE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–VTE that never appear on search engines, with no booking fees.