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USM to BWU: distance & flight time
Ko Samui (Samui Airport) → Sydney (Sydney Bankstown Airport)
4,488 mi
7,224 km · 3,900 nm
9h 16m
estimated nonstop flight time
+3h
time difference · heading southeast
See live USM→BWU fares Phone-only fares on this route — call free
Flight time details
4,488 miles nonstop takes roughly 9h 16m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- BWU — Sydney Bankstown Airport · Sydney, Australia
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near BWU
- SYD · Sydney Kingsford Smith International Airport11 mi away
- CDU · Camden Airport19 mi away
- XRH · RAAF Base Richmond25 mi away
- WOL · Wollongong Airport45 mi away
Frequently asked questions
How far is USM from BWU?
The flight distance from Ko Samui (USM) to Sydney (BWU) is 4,488 miles (7,224 km, 3,900 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to BWU?
A nonstop flight takes about 9h 16m 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 Ko Samui and Sydney?
Sydney is 3 hours ahead of Ko Samui.
What is the cheapest way to fly from USM to BWU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–BWU that never appear on search engines, with no booking fees.