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COS to USM: distance & flight time
Colorado Springs (City of Colorado Springs Municipal Airport) → Ko Samui (Samui Airport)
8,736 mi
14,059 km · 7,591 nm
17h 36m
estimated nonstop flight time
+13h
time difference · heading northwest
See live COS→USM fares Phone-only fares on this route — call free
Flight time details
8,736 miles nonstop takes roughly 17h 36m 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
- COS — City of Colorado Springs Municipal Airport · Colorado Springs, 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 COS
- FCS · Butts AAF (Fort Carson) Air Field9 mi away
- DEN · Denver International Airport73 mi away
- PUB · Pueblo Memorial Airport37 mi away
- APA · Centennial Airport53 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 COS from USM?
The flight distance from Colorado Springs (COS) to Ko Samui (USM) is 8,736 miles (14,059 km, 7,591 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COS to USM?
A nonstop flight takes about 17h 36m 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 Colorado Springs and Ko Samui?
Ko Samui is 13 hours ahead of Colorado Springs.
What is the cheapest way to fly from COS to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COS–USM that never appear on search engines, with no booking fees.