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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AOU–SYD that never appear on search engines, with no booking fees.