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KLM to USM: distance & flight time
Kalaleh (Kalaleh Airport) → Ko Samui (Samui Airport)
3,373 mi
5,428 km · 2,931 nm
7h 5m
estimated nonstop flight time
+3.5h
time difference · heading southeast
See live KLM→USM fares Phone-only fares on this route — call free
Flight time details
3,373 miles nonstop takes roughly 7h 5m gate to gate, flying southeast. 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
- KLM — Kalaleh Airport · Kalaleh, 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 KLM
- GBT · Gorgan Airport66 mi away
- RUD · Shahroud Airport69 mi away
- BJB · Bojnord Airport102 mi away
- SRY · Dasht-e Naz Airport135 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 KLM from USM?
The flight distance from Kalaleh (KLM) to Ko Samui (USM) is 3,373 miles (5,428 km, 2,931 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLM to USM?
A nonstop flight takes about 7h 5m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from KLM to USM?
Nonstop service on KLM–USM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 7h 5m nonstop estimate.
What is the time difference between Kalaleh and Ko Samui?
Ko Samui is 3.5 hours ahead of Kalaleh.
What is the cheapest way to fly from KLM to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLM–USM that never appear on search engines, with no booking fees.
Why are some KLM to USM fares phone-only?
Consolidator contracts let us sell certain KLM–USM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.