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SOU to USM: distance & flight time

Southampton (Southampton Airport) → Ko Samui (Samui Airport)

6,195 mi
9,970 km · 5,384 nm
12h 37m
estimated nonstop flight time
+6h
time difference · heading east
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Flight time details

6,195 miles nonstop takes roughly 12h 37m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-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 SOU from USM?

The flight distance from Southampton (SOU) to Ko Samui (USM) is 6,195 miles (9,970 km, 5,384 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from SOU to USM?

A nonstop flight takes about 12h 37m 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 Southampton and Ko Samui?

Ko Samui is 6 hours ahead of Southampton.

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

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOU–USM that never appear on search engines, with no booking fees.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