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ART to USM: distance & flight time
Watertown (Watertown International Airport) → Ko Samui (Samui Airport)
8,729 mi
14,049 km · 7,586 nm
17h 35m
estimated nonstop flight time
+11h
time difference · heading north
See live ART→USM fares Phone-only fares on this route — call free
Flight time details
8,729 miles nonstop takes roughly 17h 35m 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
- ART — Watertown International Airport · Watertown, 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 ART
- YGK · Kingston Norman Rogers Airport33 mi away
- OGS · Ogdensburg International Airport55 mi away
- RME · Griffiss International Airport61 mi away
- SYR · Syracuse Hancock International Airport61 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 ART from USM?
The flight distance from Watertown (ART) to Ko Samui (USM) is 8,729 miles (14,049 km, 7,586 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ART to USM?
A nonstop flight takes about 17h 35m 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 Watertown and Ko Samui?
Ko Samui is 11 hours ahead of Watertown.
What is the cheapest way to fly from ART to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ART–USM that never appear on search engines, with no booking fees.