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STK to USM: distance & flight time
Sterling (Sterling Municipal Airport) → Ko Samui (Samui Airport)
8,665 mi
13,945 km · 7,530 nm
17h 27m
estimated nonstop flight time
+13h
time difference · heading northwest
See live STK→USM fares Phone-only fares on this route — call free
Flight time details
8,665 miles nonstop takes roughly 17h 27m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- STK — Sterling Municipal Airport · Sterling, 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 STK
- AKO · Colorado Plains Regional Airport30 mi away
- SNY · Sidney Municipal-Lloyd W Carr Field37 mi away
- DEN · Denver International Airport91 mi away
- GXY · Greeley–Weld County Airport73 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 STK from USM?
The flight distance from Sterling (STK) to Ko Samui (USM) is 8,665 miles (13,945 km, 7,530 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STK to USM?
A nonstop flight takes about 17h 27m 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 Sterling and Ko Samui?
Ko Samui is 13 hours ahead of Sterling.
What is the cheapest way to fly from STK to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STK–USM that never appear on search engines, with no booking fees.