Need help booking?
Unpublished phone-only deals available
KIJ to USM: distance & flight time
Niigata (Niigata Airport) → Ko Samui (Samui Airport)
3,117 mi
5,016 km · 2,708 nm
6h 35m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KIJ→USM fares Phone-only fares on this route — call free
Flight time details
3,117 miles nonstop takes roughly 6h 35m 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
- KIJ — Niigata Airport · Niigata, 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 KIJ
- SDS · Sado Airport39 mi away
- SYO · Shonai Airport69 mi away
- GAJ · Yamagata Airport75 mi away
- FKS · Fukushima Airport88 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 KIJ from USM?
The flight distance from Niigata (KIJ) to Ko Samui (USM) is 3,117 miles (5,016 km, 2,708 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KIJ to USM?
A nonstop flight takes about 6h 35m 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 Niigata and Ko Samui?
Ko Samui is 2 hours behind Niigata.
What is the cheapest way to fly from KIJ to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KIJ–USM that never appear on search engines, with no booking fees.