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LLY to USM: distance & flight time
Mount Holly (South Jersey Regional Airport) → Ko Samui (Samui Airport)
9,002 mi
14,487 km · 7,822 nm
18h 7m
estimated nonstop flight time
+11h
time difference · heading north
See live LLY→USM fares Phone-only fares on this route — call free
Flight time details
9,002 miles nonstop takes roughly 18h 7m 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
- LLY — South Jersey Regional Airport · Mount Holly, 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 LLY
- PHL · Philadelphia International Airport22 mi away
- PNE · Northeast Philadelphia Airport13 mi away
- WRI · Mc Guire Air Force Base14 mi away
- TTN · Trenton Mercer Airport23 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 LLY from USM?
The flight distance from Mount Holly (LLY) to Ko Samui (USM) is 9,002 miles (14,487 km, 7,822 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LLY to USM?
A nonstop flight takes about 18h 7m 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 Mount Holly and Ko Samui?
Ko Samui is 11 hours ahead of Mount Holly.
What is the cheapest way to fly from LLY to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LLY–USM that never appear on search engines, with no booking fees.