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IRB to USM: distance & flight time
Iraan (Iraan Municipal Airport) → Ko Samui (Samui Airport)
9,286 mi
14,944 km · 8,069 nm
18h 40m
estimated nonstop flight time
+12h
time difference · heading northwest
See live IRB→USM fares Phone-only fares on this route — call free
Flight time details
9,286 miles nonstop takes roughly 18h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- IRB — Iraan Municipal Airport · Iraan, United States
- 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 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 IRB from USM?
The flight distance from Iraan (IRB) to Ko Samui (USM) is 9,286 miles (14,944 km, 8,069 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRB to USM?
A nonstop flight takes about 18h 40m 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 Iraan and Ko Samui?
Ko Samui is 12 hours ahead of Iraan.
What is the cheapest way to fly from IRB to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRB–USM that never appear on search engines, with no booking fees.