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SYD to AOU: distance & flight time
Sydney (Sydney Kingsford Smith International Airport) → Attopeu (Attopeu Airport)
4,456 mi
7,171 km · 3,872 nm
9h 12m
estimated nonstop flight time
—
time difference · heading northwest
See live SYD→AOU fares Phone-only fares on this route — call free
Flight time details
4,456 miles nonstop takes roughly 9h 12m gate to gate, flying northwest. 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
- SYD — Sydney Kingsford Smith International Airport · Sydney, Australia
- AOU — Attopeu Airport · Attopeu, Laos
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 SYD
- BWU · Sydney Bankstown Airport11 mi away
- CDU · Camden Airport29 mi away
- XRH · RAAF Base Richmond33 mi away
- WOL · Wollongong Airport48 mi away
Near AOU
- VNA · Saravane Airport68 mi away
- PKZ · Pakse International Airport73 mi away
- RBE · Ratanakiri Airport76 mi away
- PXU · Pleiku Airport98 mi away
Frequently asked questions
How far is SYD from AOU?
The flight distance from Sydney (SYD) to Attopeu (AOU) is 4,456 miles (7,171 km, 3,872 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYD to AOU?
A nonstop flight takes about 9h 12m 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 SYD to AOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYD–AOU that never appear on search engines, with no booking fees.