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USM to BLT: distance & flight time
Ko Samui (Samui Airport) → Blackwater (Blackwater Airport)
4,010 mi
6,453 km · 3,484 nm
8h 20m
estimated nonstop flight time
+3h
time difference · heading southeast
See live USM→BLT fares Phone-only fares on this route — call free
Flight time details
4,010 miles nonstop takes roughly 8h 20m 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
- BLT — Blackwater Airport · Blackwater, 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 BLT
- EMD · Emerald Airport40 mi away
- DYA · Dysart Airport73 mi away
- CMQ · Clermont Airport95 mi away
- ROK · Rockhampton Airport107 mi away
Frequently asked questions
How far is USM from BLT?
The flight distance from Ko Samui (USM) to Blackwater (BLT) is 4,010 miles (6,453 km, 3,484 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to BLT?
A nonstop flight takes about 8h 20m 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 Blackwater?
Blackwater is 3 hours ahead of Ko Samui.
What is the cheapest way to fly from USM to BLT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–BLT that never appear on search engines, with no booking fees.