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QLA to USM: distance & flight time
Lasham (Lasham Airport) → Ko Samui (Samui Airport)
6,178 mi
9,942 km · 5,368 nm
12h 35m
estimated nonstop flight time
+6h
time difference · heading east
See live QLA→USM fares Phone-only fares on this route — call free
Flight time details
6,178 miles nonstop takes roughly 12h 35m 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.
The two airports
- QLA — Lasham Airport · Lasham, United Kingdom
- 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 QLA
- LHR · London Heathrow Airport32 mi away
- LGW · London Gatwick Airport37 mi away
- ODH · RAF Odiham5 mi away
- BBS · Blackbushe Airport12 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 QLA from USM?
The flight distance from Lasham (QLA) to Ko Samui (USM) is 6,178 miles (9,942 km, 5,368 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from QLA to USM?
A nonstop flight takes about 12h 35m 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 Lasham and Ko Samui?
Ko Samui is 6 hours ahead of Lasham.
What is the cheapest way to fly from QLA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on QLA–USM that never appear on search engines, with no booking fees.