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SIR to UTH: distance & flight time
Sion (Sion Airport) → Udon Thani (Udon Thani Airport)
5,611 mi
9,030 km · 4,876 nm
11h 28m
estimated nonstop flight time
+5h
time difference · heading east
See live SIR→UTH fares Phone-only fares on this route — call free
Flight time details
5,611 miles nonstop takes roughly 11h 28m 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
- UTH — Udon Thani Airport · Udon Thani, Thailand
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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Frequently asked questions
How far is SIR from UTH?
The flight distance from Sion (SIR) to Udon Thani (UTH) is 5,611 miles (9,030 km, 4,876 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to UTH?
A nonstop flight takes about 11h 28m 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 Udon Thani?
Udon Thani is 5 hours ahead of Sion.
What is the cheapest way to fly from SIR to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–UTH that never appear on search engines, with no booking fees.