Need help booking?
Unpublished phone-only deals available
HUF to USM: distance & flight time
Terre Haute (Terre Haute Regional Airport, Hulman Field) → Ko Samui (Samui Airport)
9,018 mi
14,514 km · 7,837 nm
18h 9m
estimated nonstop flight time
+11h
time difference · heading north
See live HUF→USM fares Phone-only fares on this route — call free
Flight time details
9,018 miles nonstop takes roughly 18h 9m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- HUF — Terre Haute Regional Airport, Hulman Field · Terre Haute, 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 HUF
- BMG · Monroe County Airport43 mi away
- DNV · Vermilion Regional Airport54 mi away
- IND · Indianapolis International Airport57 mi away
- CMI · University of Illinois Willard Airport66 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 HUF from USM?
The flight distance from Terre Haute (HUF) to Ko Samui (USM) is 9,018 miles (14,514 km, 7,837 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HUF to USM?
A nonstop flight takes about 18h 9m 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 Terre Haute and Ko Samui?
Ko Samui is 11 hours ahead of Terre Haute.
What is the cheapest way to fly from HUF to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HUF–USM that never appear on search engines, with no booking fees.