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IAS to USM: distance & flight time
Iasi (Iaşi Airport) → Ko Samui (Samui Airport)
4,913 mi
7,906 km · 4,269 nm
10h 6m
estimated nonstop flight time
+4h
time difference · heading east
See live IAS→USM fares Phone-only fares on this route — call free
Flight time details
4,913 miles nonstop takes roughly 10h 6m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- IAS — Iaşi Airport · Iasi, Romania
- 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 IAS
- BZY · Bălți International Airport46 mi away
- BCM · Bacău Airport56 mi away
- KIV · Chişinău International Airport64 mi away
- SCV · Suceava Stefan cel Mare Airport69 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 IAS from USM?
The flight distance from Iasi (IAS) to Ko Samui (USM) is 4,913 miles (7,906 km, 4,269 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAS to USM?
A nonstop flight takes about 10h 6m 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 Iasi and Ko Samui?
Ko Samui is 4 hours ahead of Iasi.
What is the cheapest way to fly from IAS to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAS–USM that never appear on search engines, with no booking fees.