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USM to MSO: distance & flight time
Ko Samui (Samui Airport) → Missoula (Missoula International Airport)
8,006 mi
12,884 km · 6,957 nm
16h 10m
estimated nonstop flight time
-13h
time difference · heading northeast
See live USM→MSO fares Phone-only fares on this route — call free
Flight time details
8,006 miles nonstop takes roughly 16h 10m 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
- MSO — Missoula International Airport · Missoula, 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 MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 mi away
Frequently asked questions
How far is USM from MSO?
The flight distance from Ko Samui (USM) to Missoula (MSO) is 8,006 miles (12,884 km, 6,957 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to MSO?
A nonstop flight takes about 16h 10m 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 Missoula?
Missoula is 13 hours behind Ko Samui.
What is the cheapest way to fly from USM to MSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–MSO that never appear on search engines, with no booking fees.