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FLG to USM: distance & flight time
Flagstaff (Flagstaff Pulliam Airport) → Ko Samui (Samui Airport)
8,719 mi
14,031 km · 7,576 nm
17h 34m
estimated nonstop flight time
+14h
time difference · heading northwest
See live FLG→USM fares Phone-only fares on this route — call free
Flight time details
8,719 miles nonstop takes roughly 17h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- FLG — Flagstaff Pulliam Airport · Flagstaff, 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 FLG
- SDX · Sedona Airport21 mi away
- PRC · Ernest A. Love Field54 mi away
- INW · Winslow Lindbergh Regional Airport54 mi away
- GCN · Grand Canyon National Park Airport62 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 FLG from USM?
The flight distance from Flagstaff (FLG) to Ko Samui (USM) is 8,719 miles (14,031 km, 7,576 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLG to USM?
A nonstop flight takes about 17h 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 Flagstaff and Ko Samui?
Ko Samui is 14 hours ahead of Flagstaff.
What is the cheapest way to fly from FLG to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLG–USM that never appear on search engines, with no booking fees.