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BJC to USM: distance & flight time
Broomfield-CO (Rocky Mountain Metropolitan Airport) → Ko Samui (Samui Airport)
8,659 mi
13,935 km · 7,524 nm
17h 27m
estimated nonstop flight time
+13h
time difference · heading northwest
See live BJC→USM fares Phone-only fares on this route — call free
Flight time details
8,659 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
- BJC — Rocky Mountain Metropolitan Airport · Broomfield-CO, 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 BJC
- DEN · Denver International Airport24 mi away
- WBU · Boulder Municipal Airport11 mi away
- BFK · Buckley Air Force Base24 mi away
- APA · Centennial Airport27 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 BJC from USM?
The flight distance from Broomfield-CO (BJC) to Ko Samui (USM) is 8,659 miles (13,935 km, 7,524 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BJC 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 Broomfield-CO and Ko Samui?
Ko Samui is 13 hours ahead of Broomfield-CO.
What is the cheapest way to fly from BJC to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BJC–USM that never appear on search engines, with no booking fees.