Need help booking?
Unpublished phone-only deals available
AAP to SYD: distance & flight time
Houston (Andrau Airpark) → Sydney (Sydney Kingsford Smith International Airport)
8,577 mi
13,803 km · 7,453 nm
17h 17m
estimated nonstop flight time
+15h
time difference · heading southwest
See live AAP→SYD fares Phone-only fares on this route — call free
Flight time details
8,577 miles nonstop takes roughly 17h 17m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- AAP — Andrau Airpark · Houston, United States
- 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 AAP
- IAH · George Bush Intercontinental Houston Airport23 mi away
- SGR · Sugar Land Regional Airport8 mi away
- IWS · West Houston Airport8 mi away
- HOU · William P Hobby Airport19 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 AAP from SYD?
The flight distance from Houston (AAP) to Sydney (SYD) is 8,577 miles (13,803 km, 7,453 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AAP to SYD?
A nonstop flight takes about 17h 17m 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 Houston and Sydney?
Sydney is 15 hours ahead of Houston.
What is the cheapest way to fly from AAP to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AAP–SYD that never appear on search engines, with no booking fees.