Need help booking?
Unpublished phone-only deals available
THL to GTF: distance & flight time
Tachilek (Tachileik Airport) → Great Falls (Great Falls International Airport)
7,354 mi
11,835 km · 6,391 nm
14h 53m
estimated nonstop flight time
-12.5h
time difference · heading north
See live THL→GTF fares Phone-only fares on this route — call free
Flight time details
7,354 miles nonstop takes roughly 14h 53m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THL — Tachileik Airport · Tachilek, Burma
- GTF — Great Falls International Airport · Great Falls, United States
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 THL
- HOE · Ban Huoeisay Airport36 mi away
- CEI · Chiang Rai International Airport37 mi away
- MOG · Mong Hsat Airport44 mi away
- KET · Kengtung Airport60 mi away
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
Frequently asked questions
How far is THL from GTF?
The flight distance from Tachilek (THL) to Great Falls (GTF) is 7,354 miles (11,835 km, 6,391 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THL to GTF?
A nonstop flight takes about 14h 53m 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 Tachilek and Great Falls?
Great Falls is 12.5 hours behind Tachilek.
What is the cheapest way to fly from THL to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THL–GTF that never appear on search engines, with no booking fees.