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ATH to USM: distance & flight time

Athens (Eleftherios Venizelos International Airport) → Ko Samui (Samui Airport)

5,059 mi
8,142 km · 4,397 nm
10h 23m
estimated nonstop flight time
+4h
time difference · heading east
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Flight time details

5,059 miles nonstop takes roughly 10h 23m 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.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is ATH from USM?

The flight distance from Athens (ATH) to Ko Samui (USM) is 5,059 miles (8,142 km, 4,397 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from ATH to USM?

A nonstop flight takes about 10h 23m 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 4 hours ahead of Athens.

What is the cheapest way to fly from ATH to USM?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATH–USM that never appear on search engines, with no booking fees.
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