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INT to UTH: distance & flight time
Winston-salem (Smith Reynolds Airport) → Udon Thani (Udon Thani Airport)
8,734 mi
14,056 km · 7,589 nm
17h 35m
estimated nonstop flight time
+12h
time difference · heading north
See live INT→UTH fares Phone-only fares on this route — call free
Flight time details
8,734 miles nonstop takes roughly 17h 35m 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
- INT — Smith Reynolds Airport · Winston-salem, 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 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 INT from UTH?
The flight distance from Winston-salem (INT) to Udon Thani (UTH) is 8,734 miles (14,056 km, 7,589 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to UTH?
A nonstop flight takes about 17h 35m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from INT to UTH?
Nonstop service on INT–UTH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 35m nonstop estimate.
What is the time difference between Winston-salem and Udon Thani?
Udon Thani is 12 hours ahead of Winston-salem.
What is the cheapest way to fly from INT to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–UTH that never appear on search engines, with no booking fees.
Why are some INT to UTH fares phone-only?
Consolidator contracts let us sell certain INT–UTH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.