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AHN to USM: distance & flight time
Athens (Athens Ben Epps Airport) → Ko Samui (Samui Airport)
9,423 mi
15,165 km · 8,189 nm
18h 57m
estimated nonstop flight time
+11h
time difference · heading north
See live AHN→USM fares Phone-only fares on this route — call free
Flight time details
9,423 miles nonstop takes roughly 18h 57m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- AHN — Athens Ben Epps Airport · Athens, 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 AHN
- WDR · Barrow County Airport20 mi away
- ATL · Hartsfield Jackson Atlanta International Airport67 mi away
- GVL · Lee Gilmer Memorial Airport36 mi away
- LZU · Gwinnett County Briscoe Field37 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 AHN from USM?
The flight distance from Athens (AHN) to Ko Samui (USM) is 9,423 miles (15,165 km, 8,189 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AHN to USM?
A nonstop flight takes about 18h 57m 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 Athens and Ko Samui?
Ko Samui is 11 hours ahead of Athens.
What is the cheapest way to fly from AHN to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AHN–USM that never appear on search engines, with no booking fees.