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SYO to USM: distance & flight time
Shonai (Shonai Airport) → Ko Samui (Samui Airport)
3,177 mi
5,112 km · 2,760 nm
6h 42m
estimated nonstop flight time
-2h
time difference · heading southwest
See live SYO→USM fares Phone-only fares on this route — call free
Flight time details
3,177 miles nonstop takes roughly 6h 42m 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
- SYO — Shonai Airport · Shonai, 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 SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 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 SYO from USM?
The flight distance from Shonai (SYO) to Ko Samui (USM) is 3,177 miles (5,112 km, 2,760 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYO to USM?
A nonstop flight takes about 6h 42m 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 Shonai and Ko Samui?
Ko Samui is 2 hours behind Shonai.
What is the cheapest way to fly from SYO to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYO–USM that never appear on search engines, with no booking fees.