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KIX to USM: distance & flight time
Osaka (Kansai International Airport) → Ko Samui (Samui Airport)
2,809 mi
4,521 km · 2,441 nm
5h 58m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KIX→USM fares Phone-only fares on this route — call free
Flight time details
2,809 miles nonstop takes roughly 5h 58m 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
- KIX — Kansai International Airport · Osaka, 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 KIX
- UKB · Kobe Airport14 mi away
- ITM · Osaka International Airport27 mi away
- TKS · Tokushima Airport/JMSDF Air Base42 mi away
- SHM · Nanki Shirahama Airport53 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 KIX from USM?
The flight distance from Osaka (KIX) to Ko Samui (USM) is 2,809 miles (4,521 km, 2,441 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KIX to USM?
A nonstop flight takes about 5h 58m 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 Osaka and Ko Samui?
Ko Samui is 2 hours behind Osaka.
What is the cheapest way to fly from KIX to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KIX–USM that never appear on search engines, with no booking fees.