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HOU to SYD: distance & flight time
Houston (William P Hobby Airport) → Sydney (Sydney Kingsford Smith International Airport)
8,592 mi
13,827 km · 7,466 nm
17h 19m
estimated nonstop flight time
+15h
time difference · heading southwest
See live HOU→SYD fares Phone-only fares on this route — call free
Flight time details
8,592 miles nonstop takes roughly 17h 19m 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
- HOU — William P Hobby Airport · 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 HOU
- IAH · George Bush Intercontinental Houston Airport24 mi away
- EFD · Ellington Airport8 mi away
- AAP · Andrau Airpark19 mi away
- SGR · Sugar Land Regional Airport23 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 HOU from SYD?
The flight distance from Houston (HOU) to Sydney (SYD) is 8,592 miles (13,827 km, 7,466 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HOU to SYD?
A nonstop flight takes about 17h 19m 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 HOU to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HOU–SYD that never appear on search engines, with no booking fees.