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BIL to THL: distance & flight time
Billings (Billings Logan International Airport) → Tachilek (Tachileik Airport)
7,521 mi
12,103 km · 6,535 nm
15h 13m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live BIL→THL fares Phone-only fares on this route — call free
Flight time details
7,521 miles nonstop takes roughly 15h 13m 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
- BIL — Billings Logan International Airport · Billings, 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 BIL
- COD · Yellowstone Regional Airport92 mi away
- LVM · Mission Field92 mi away
- LWT · Lewistown Municipal Airport96 mi away
- SHR · Sheridan County Airport105 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 BIL from THL?
The flight distance from Billings (BIL) to Tachilek (THL) is 7,521 miles (12,103 km, 6,535 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIL to THL?
A nonstop flight takes about 15h 13m 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 Billings and Tachilek?
Tachilek is 12.5 hours ahead of Billings.
What is the cheapest way to fly from BIL to THL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIL–THL that never appear on search engines, with no booking fees.