Need help booking?
Unpublished phone-only deals available
STC to USM: distance & flight time
Saint Cloud (St Cloud Regional Airport) → Ko Samui (Samui Airport)
8,530 mi
13,728 km · 7,413 nm
17h 12m
estimated nonstop flight time
+12h
time difference · heading north
See live STC→USM fares Phone-only fares on this route — call free
Flight time details
8,530 miles nonstop takes roughly 17h 12m gate to gate, flying north. 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
- STC — St Cloud Regional Airport · Saint Cloud, 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 STC
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 STC from USM?
The flight distance from Saint Cloud (STC) to Ko Samui (USM) is 8,530 miles (13,728 km, 7,413 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STC to USM?
A nonstop flight takes about 17h 12m 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 Saint Cloud and Ko Samui?
Ko Samui is 12 hours ahead of Saint Cloud.
What is the cheapest way to fly from STC to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STC–USM that never appear on search engines, with no booking fees.