Need help booking?
Unpublished phone-only deals available
LNA to USM: distance & flight time
West Palm Beach (Palm Beach County Park Airport) → Ko Samui (Samui Airport)
9,940 mi
15,996 km · 8,637 nm
19h 57m
estimated nonstop flight time
+11h
time difference · heading north
See live LNA→USM fares Phone-only fares on this route — call free
Flight time details
9,940 miles nonstop takes roughly 19h 57m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- LNA — Palm Beach County Park Airport · West Palm Beach, 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 LNA
- FLL · Fort Lauderdale Hollywood International Airport36 mi away
- PBI · Palm Beach International Airport6 mi away
- BCT · Boca Raton Airport15 mi away
- MIA · Miami International Airport57 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 LNA from USM?
The flight distance from West Palm Beach (LNA) to Ko Samui (USM) is 9,940 miles (15,996 km, 8,637 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LNA to USM?
A nonstop flight takes about 19h 57m 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 West Palm Beach and Ko Samui?
Ko Samui is 11 hours ahead of West Palm Beach.
What is the cheapest way to fly from LNA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LNA–USM that never appear on search engines, with no booking fees.