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AOU to USM: distance & flight time
Attopeu (Attopeu Airport) → Ko Samui (Samui Airport)
584 mi
939 km · 507 nm
1h 44m
estimated nonstop flight time
—
time difference · heading southwest
See live AOU→USM fares Phone-only fares on this route — call free
Flight time details
584 miles nonstop takes roughly 1h 44m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- AOU — Attopeu Airport · Attopeu, Laos
- 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 AOU
- VNA · Saravane Airport68 mi away
- PKZ · Pakse International Airport73 mi away
- RBE · Ratanakiri Airport76 mi away
- PXU · Pleiku Airport98 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 AOU from USM?
The flight distance from Attopeu (AOU) to Ko Samui (USM) is 584 miles (939 km, 507 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AOU to USM?
A nonstop flight takes about 1h 44m 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 cheapest way to fly from AOU to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AOU–USM that never appear on search engines, with no booking fees.