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USM to ITM: distance & flight time
Ko Samui (Samui Airport) → Osaka (Osaka International Airport)
2,831 mi
4,556 km · 2,460 nm
6h 1m
estimated nonstop flight time
+2h
time difference · heading northeast
See live USM→ITM fares Phone-only fares on this route — call free
Flight time details
2,831 miles nonstop takes roughly 6h 1m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- ITM — Osaka International Airport · Osaka, Japan
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near ITM
- UKB · Kobe Airport16 mi away
- KIX · Kansai International Airport27 mi away
- TJH · Tajima Airport62 mi away
- TKS · Tokushima Airport/JMSDF Air Base65 mi away
Frequently asked questions
How far is USM from ITM?
The flight distance from Ko Samui (USM) to Osaka (ITM) is 2,831 miles (4,556 km, 2,460 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to ITM?
A nonstop flight takes about 6h 1m 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 Ko Samui and Osaka?
Osaka is 2 hours ahead of Ko Samui.
What is the cheapest way to fly from USM to ITM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–ITM that never appear on search engines, with no booking fees.