Need help booking?
Unpublished phone-only deals available
SKF to USM: distance & flight time
San Antonio (Lackland Air Force Base) → Ko Samui (Samui Airport)
9,474 mi
15,247 km · 8,233 nm
19h 3m
estimated nonstop flight time
+12h
time difference · heading northwest
See live SKF→USM fares Phone-only fares on this route — call free
Flight time details
9,474 miles nonstop takes roughly 19h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- SKF — Lackland Air Force Base · San Antonio, 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 SKF
- SSF · Stinson Municipal Airport7 mi away
- SAT · San Antonio International Airport12 mi away
- RND · Randolph Air Force Base21 mi away
- AUS · Austin Bergstrom International Airport78 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 SKF from USM?
The flight distance from San Antonio (SKF) to Ko Samui (USM) is 9,474 miles (15,247 km, 8,233 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SKF to USM?
A nonstop flight takes about 19h 3m 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 San Antonio and Ko Samui?
Ko Samui is 12 hours ahead of San Antonio.
What is the cheapest way to fly from SKF to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SKF–USM that never appear on search engines, with no booking fees.