Need help booking?
Unpublished phone-only deals available
KUH to USM: distance & flight time
Kushiro (Kushiro Airport) → Ko Samui (Samui Airport)
3,518 mi
5,661 km · 3,057 nm
7h 22m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KUH→USM fares Phone-only fares on this route — call free
Flight time details
3,518 miles nonstop takes roughly 7h 22m 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
- KUH — Kushiro Airport · Kushiro, 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 KUH
- SHB · Nakashibetsu Airport53 mi away
- OBO · Tokachi-Obihiro Airport54 mi away
- MMB · Memanbetsu Airport58 mi away
- MBE · Monbetsu Airport96 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 KUH from USM?
The flight distance from Kushiro (KUH) to Ko Samui (USM) is 3,518 miles (5,661 km, 3,057 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KUH to USM?
A nonstop flight takes about 7h 22m 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 Kushiro and Ko Samui?
Ko Samui is 2 hours behind Kushiro.
What is the cheapest way to fly from KUH to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KUH–USM that never appear on search engines, with no booking fees.