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SYD to IAH: distance & flight time
Sydney (Sydney Kingsford Smith International Airport) → Houston (George Bush Intercontinental Houston Airport)
8,597 mi
13,836 km · 7,471 nm
17h 19m
estimated nonstop flight time
-15h
time difference · heading east
See live SYD→IAH fares Phone-only fares on this route — call free
Flight time details
8,597 miles nonstop takes roughly 17h 19m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- SYD — Sydney Kingsford Smith International Airport · Sydney, Australia
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is SYD from IAH?
The flight distance from Sydney (SYD) to Houston (IAH) is 8,597 miles (13,836 km, 7,471 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYD to IAH?
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 Sydney and Houston?
Houston is 15 hours behind Sydney.
What is the cheapest way to fly from SYD to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYD–IAH that never appear on search engines, with no booking fees.