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USM to KKS: distance & flight time
Ko Samui (Samui Airport) → Kashan (Kashan Airport)
3,494 mi
5,624 km · 3,037 nm
7h 19m
estimated nonstop flight time
-3.5h
time difference · heading northwest
See live USM→KKS fares Phone-only fares on this route — call free
Flight time details
3,494 miles nonstop takes roughly 7h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- KKS — Kashan Airport · Kashan, Iran
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 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
Frequently asked questions
How far is USM from KKS?
The flight distance from Ko Samui (USM) to Kashan (KKS) 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 USM to KKS?
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 Ko Samui and Kashan?
Kashan is 3.5 hours behind Ko Samui.
What is the cheapest way to fly from USM to KKS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–KKS that never appear on search engines, with no booking fees.