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KKS to USM: distance & flight time
Kashan (Kashan Airport) → Ko Samui (Samui Airport)
3,494 mi
5,624 km · 3,037 nm
7h 19m
estimated nonstop flight time
+3.5h
time difference · heading east
See live KKS→USM fares Phone-only fares on this route — call free
Flight time details
3,494 miles nonstop takes roughly 7h 19m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- KKS — Kashan Airport · Kashan, Iran
- 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 KKS
- IFH · Hesa Airport67 mi away
- IFN · Esfahan Shahid Beheshti International Airport81 mi away
- AJK · Arak Airport100 mi away
- IKA · Imam Khomeini International Airport108 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 KKS from USM?
The flight distance from Kashan (KKS) to Ko Samui (USM) is 3,494 miles (5,624 km, 3,037 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KKS to USM?
A nonstop flight takes about 7h 19m 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 Kashan and Ko Samui?
Ko Samui is 3.5 hours ahead of Kashan.
What is the cheapest way to fly from KKS to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KKS–USM that never appear on search engines, with no booking fees.