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DEC to UTH: distance & flight time
Decatur (Decatur Airport) → Udon Thani (Udon Thani Airport)
8,412 mi
13,539 km · 7,310 nm
16h 58m
estimated nonstop flight time
+12h
time difference · heading north
See live DEC→UTH fares Phone-only fares on this route — call free
Flight time details
8,412 miles nonstop takes roughly 16h 58m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- DEC — Decatur Airport · Decatur, United States
- 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 DEC
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 DEC from UTH?
The flight distance from Decatur (DEC) to Udon Thani (UTH) is 8,412 miles (13,539 km, 7,310 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to UTH?
A nonstop flight takes about 16h 58m 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 Decatur and Udon Thani?
Udon Thani is 12 hours ahead of Decatur.
What is the cheapest way to fly from DEC to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–UTH that never appear on search engines, with no booking fees.