Need help booking?
Unpublished phone-only deals available
USM to WYS: distance & flight time
Ko Samui (Samui Airport) → West Yellowstone (Yellowstone Airport)
8,215 mi
13,220 km · 7,138 nm
16h 34m
estimated nonstop flight time
-13h
time difference · heading northeast
See live USM→WYS fares Phone-only fares on this route — call free
Flight time details
8,215 miles nonstop takes roughly 16h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- WYS — Yellowstone Airport · West Yellowstone, United States
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional Airport94 mi away
Frequently asked questions
How far is USM from WYS?
The flight distance from Ko Samui (USM) to West Yellowstone (WYS) is 8,215 miles (13,220 km, 7,138 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to WYS?
A nonstop flight takes about 16h 34m 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 Ko Samui and West Yellowstone?
West Yellowstone is 13 hours behind Ko Samui.
What is the cheapest way to fly from USM to WYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–WYS that never appear on search engines, with no booking fees.