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AEX to USM: distance & flight time
Alexandria (Alexandria International Airport) → Ko Samui (Samui Airport)
9,492 mi
15,276 km · 8,248 nm
19h 5m
estimated nonstop flight time
+12h
time difference · heading north
See live AEX→USM fares Phone-only fares on this route — call free
Flight time details
9,492 miles nonstop takes roughly 19h 5m gate to gate, flying north. 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
- AEX — Alexandria International Airport · Alexandria, 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 AEX
- ESF · Esler Regional Airport16 mi away
- POE · Polk Army Air Field43 mi away
- DRI · Beauregard Regional Airport58 mi away
- LFT · Lafayette Regional Airport84 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 AEX from USM?
The flight distance from Alexandria (AEX) to Ko Samui (USM) is 9,492 miles (15,276 km, 8,248 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AEX to USM?
A nonstop flight takes about 19h 5m 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 Alexandria and Ko Samui?
Ko Samui is 12 hours ahead of Alexandria.
What is the cheapest way to fly from AEX to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AEX–USM that never appear on search engines, with no booking fees.