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SEM to UTH: distance & flight time
Selma (Craig Field) → Udon Thani (Udon Thani Airport)
8,940 mi
14,388 km · 7,769 nm
18h
estimated nonstop flight time
+12h
time difference · heading north
See live SEM→UTH fares Phone-only fares on this route — call free
Flight time details
8,940 miles nonstop takes roughly 18h 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
- SEM — Craig Field · Selma, 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 SEM
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 SEM from UTH?
The flight distance from Selma (SEM) to Udon Thani (UTH) is 8,940 miles (14,388 km, 7,769 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEM to UTH?
A nonstop flight takes about 18h 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 Selma and Udon Thani?
Udon Thani is 12 hours ahead of Selma.
What is the cheapest way to fly from SEM to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEM–UTH that never appear on search engines, with no booking fees.