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GTF to UTH: distance & flight time
Great Falls (Great Falls International Airport) → Udon Thani (Udon Thani Airport)
7,480 mi
12,039 km · 6,500 nm
15h 8m
estimated nonstop flight time
+13h
time difference · heading northwest
See live GTF→UTH fares Phone-only fares on this route — call free
Flight time details
7,480 miles nonstop takes roughly 15h 8m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from UTH?
The flight distance from Great Falls (GTF) to Udon Thani (UTH) is 7,480 miles (12,039 km, 6,500 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to UTH?
A nonstop flight takes about 15h 8m 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 Great Falls and Udon Thani?
Udon Thani is 13 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–UTH that never appear on search engines, with no booking fees.