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PLO to USM: distance & flight time
Port Lincoln (Port Lincoln Airport) → Ko Samui (Samui Airport)
3,846 mi
6,190 km · 3,342 nm
8h 1m
estimated nonstop flight time
-2.5h
time difference · heading northwest
See live PLO→USM fares Phone-only fares on this route — call free
Flight time details
3,846 miles nonstop takes roughly 8h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- PLO — Port Lincoln Airport · Port Lincoln, Australia
- 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 PLO
- CVC · Cleve Airport71 mi away
- KGC · Kingscote Airport120 mi away
- WYA · Whyalla Airport142 mi away
- PEA · Penneshaw Airport142 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 PLO from USM?
The flight distance from Port Lincoln (PLO) to Ko Samui (USM) is 3,846 miles (6,190 km, 3,342 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PLO to USM?
A nonstop flight takes about 8h 1m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from PLO to USM?
Nonstop service on PLO–USM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 8h 1m nonstop estimate.
What is the time difference between Port Lincoln and Ko Samui?
Ko Samui is 2.5 hours behind Port Lincoln.
What is the cheapest way to fly from PLO to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PLO–USM that never appear on search engines, with no booking fees.
Why are some PLO to USM fares phone-only?
Consolidator contracts let us sell certain PLO–USM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.