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KOJ to USM: distance & flight time
Kagoshima (Kagoshima Airport) → Ko Samui (Samui Airport)
2,492 mi
4,010 km · 2,165 nm
5h 21m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KOJ→USM fares Phone-only fares on this route — call free
Flight time details
2,492 miles nonstop takes roughly 5h 21m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- KOJ — Kagoshima Airport · Kagoshima, Japan
- 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 KOJ
- KMI · Miyazaki Airport43 mi away
- AXJ · Amakusa Airport57 mi away
- KMJ · Kumamoto Airport72 mi away
- TNE · New Tanegashima Airport84 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 KOJ from USM?
The flight distance from Kagoshima (KOJ) to Ko Samui (USM) is 2,492 miles (4,010 km, 2,165 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOJ to USM?
A nonstop flight takes about 5h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from KOJ to USM?
Nonstop service on KOJ–USM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 21m nonstop estimate.
What is the time difference between Kagoshima and Ko Samui?
Ko Samui is 2 hours behind Kagoshima.
What is the cheapest way to fly from KOJ to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOJ–USM that never appear on search engines, with no booking fees.
Why are some KOJ to USM fares phone-only?
Consolidator contracts let us sell certain KOJ–USM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.