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ACH to UTH: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Udon Thani (Udon Thani Airport)
5,486 mi
8,829 km · 4,767 nm
11h 13m
estimated nonstop flight time
+5h
time difference · heading east
See live ACH→UTH fares Phone-only fares on this route — call free
Flight time details
5,486 miles nonstop takes roughly 11h 13m 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
- ACH — St Gallen Altenrhein Airport · Altenrhein, 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 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 ACH from UTH?
The flight distance from Altenrhein (ACH) to Udon Thani (UTH) is 5,486 miles (8,829 km, 4,767 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to UTH?
A nonstop flight takes about 11h 13m 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 Altenrhein and Udon Thani?
Udon Thani is 5 hours ahead of Altenrhein.
What is the cheapest way to fly from ACH to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–UTH that never appear on search engines, with no booking fees.