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HDN to USM: distance & flight time
Hayden (Yampa Valley Airport) → Ko Samui (Samui Airport)
8,567 mi
13,787 km · 7,444 nm
17h 16m
estimated nonstop flight time
+13h
time difference · heading northwest
See live HDN→USM fares Phone-only fares on this route — call free
Flight time details
8,567 miles nonstop takes roughly 17h 16m 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
- HDN — Yampa Valley Airport · Hayden, 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 HDN
- SBS · Steamboat Springs Bob Adams Field19 mi away
- EGE · Eagle County Regional Airport60 mi away
- SAA · Shively Field70 mi away
- RIL · Garfield County Regional Airport71 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 HDN from USM?
The flight distance from Hayden (HDN) to Ko Samui (USM) is 8,567 miles (13,787 km, 7,444 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDN to USM?
A nonstop flight takes about 17h 16m 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 Hayden and Ko Samui?
Ko Samui is 13 hours ahead of Hayden.
What is the cheapest way to fly from HDN to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDN–USM that never appear on search engines, with no booking fees.