Need help booking?
Unpublished phone-only deals available
HTV to USM: distance & flight time
Huntsville (Huntsville Regional Airport) → Ko Samui (Samui Airport)
9,466 mi
15,233 km · 8,225 nm
19h 2m
estimated nonstop flight time
—
time difference · heading northwest
See live HTV→USM fares Phone-only fares on this route — call free
Flight time details
9,466 miles nonstop takes roughly 19h 2m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HTV — Huntsville Regional Airport · Huntsville, United States
- USM — Samui Airport · Ko Samui, 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 HTV
- IAH · George Bush Intercontinental Houston Airport55 mi away
- CXO · Conroe-North Houston Regional Airport29 mi away
- CFD · Coulter Field44 mi away
- CLL · Easterwood Field47 mi away
Near USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Frequently asked questions
How far is HTV from USM?
The flight distance from Huntsville (HTV) to Ko Samui (USM) is 9,466 miles (15,233 km, 8,225 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HTV to USM?
A nonstop flight takes about 19h 2m 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 cheapest way to fly from HTV to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HTV–USM that never appear on search engines, with no booking fees.