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KOE to USM: distance & flight time
Kupang (El Tari Airport) → Ko Samui (Samui Airport)
2,119 mi
3,410 km · 1,841 nm
4h 37m
estimated nonstop flight time
-1h
time difference · heading northwest
See live KOE→USM fares Phone-only fares on this route — call free
Flight time details
2,119 miles nonstop takes roughly 4h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- KOE — El Tari Airport · Kupang, Indonesia
- 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 KOE
- UAI · Suai Airport125 mi away
- MOF · Maumere(Wai Oti) Airport144 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 KOE from USM?
The flight distance from Kupang (KOE) to Ko Samui (USM) is 2,119 miles (3,410 km, 1,841 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOE to USM?
A nonstop flight takes about 4h 37m 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 Kupang and Ko Samui?
Ko Samui is 1 hour behind Kupang.
What is the cheapest way to fly from KOE to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOE–USM that never appear on search engines, with no booking fees.