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IWS to UTH: distance & flight time
Houston (West Houston Airport) → Udon Thani (Udon Thani Airport)
8,951 mi
14,406 km · 7,778 nm
18h 1m
estimated nonstop flight time
+12h
time difference · heading northwest
See live IWS→UTH fares Phone-only fares on this route — call free
Flight time details
8,951 miles nonstop takes roughly 18h 1m gate to gate, flying northwest. 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
- IWS — West Houston Airport · Houston, 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 IWS
- IAH · George Bush Intercontinental Houston Airport23 mi away
- AAP · Andrau Airpark8 mi away
- SGR · Sugar Land Regional Airport14 mi away
- DWH · David Wayne Hooks Memorial Airport18 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 IWS from UTH?
The flight distance from Houston (IWS) to Udon Thani (UTH) is 8,951 miles (14,406 km, 7,778 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IWS to UTH?
A nonstop flight takes about 18h 1m 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 Houston and Udon Thani?
Udon Thani is 12 hours ahead of Houston.
What is the cheapest way to fly from IWS to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IWS–UTH that never appear on search engines, with no booking fees.