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BTM to THL: distance & flight time
Butte (Bert Mooney Airport) → Tachilek (Tachileik Airport)
7,417 mi
11,936 km · 6,445 nm
15h 1m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live BTM→THL fares Phone-only fares on this route — call free
Flight time details
7,417 miles nonstop takes roughly 15h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time gain when reading arrival times on your ticket.
The two airports
- BTM — Bert Mooney Airport · Butte, United States
- THL — Tachileik Airport · Tachilek, Burma
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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
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
Frequently asked questions
How far is BTM from THL?
The flight distance from Butte (BTM) to Tachilek (THL) is 7,417 miles (11,936 km, 6,445 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to THL?
A nonstop flight takes about 15h 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 Butte and Tachilek?
Tachilek is 12.5 hours ahead of Butte.
What is the cheapest way to fly from BTM to THL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–THL that never appear on search engines, with no booking fees.