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FCA to USM: distance & flight time
Kalispell (Glacier Park International Airport) → Ko Samui (Samui Airport)
7,925 mi
12,754 km · 6,887 nm
16h
estimated nonstop flight time
+13h
time difference · heading northwest
See live FCA→USM fares Phone-only fares on this route — call free
Flight time details
7,925 miles nonstop takes roughly 16h 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
- FCA — Glacier Park International Airport · Kalispell, 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 FCA
- WPC · Pincher Creek Airport84 mi away
- CTB · Cut Bank International Airport89 mi away
- MSO · Missoula International Airport97 mi away
- YQL · Lethbridge County Airport113 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 FCA from USM?
The flight distance from Kalispell (FCA) to Ko Samui (USM) is 7,925 miles (12,754 km, 6,887 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FCA to USM?
A nonstop flight takes about 16h 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 Kalispell and Ko Samui?
Ko Samui is 13 hours ahead of Kalispell.
What is the cheapest way to fly from FCA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FCA–USM that never appear on search engines, with no booking fees.