Houston to Sydney Flights
Flights from Houston (IAH) to Sydney (SYD) connect United States and Australia. The great-circle distance is approximately 13,836 km, and a typical direct flight takes about 18 to 19 hours. Airports commonly used for this city pair include IAH, HOU and SYD. The reverse route is Sydney to Houston. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- Houston, United States
- Destination
- Sydney, Australia
- Distance
- 13,836 km
- Typical duration
- about 18 to 19 hours
- Origin codes
- IAH, HOU
- Destination codes
- SYD
- Primary keyword
- flights from Houston to Sydney
Search flights
Compare live prices and schedules for this route.
Route overview
Houston to Sydney is a city-pair air route between United States and Australia. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are IAH and SYD. Related codes: IAH, HOU → SYD.
Distance
Approximate flight distance: 13,836 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 18 to 19 hours. Connecting itineraries take longer and depend on layover airports.
Airports
Houston airports and metro codes: IAH, HOU.
Sydney airports and metro codes: SYD.
Alternative routes
Related searches include the reverse route Sydney to Houston, other destinations from Houston, and other origins into Sydney.
Frequently asked questions
How long is the flight from Houston to Sydney?
Direct flights from Houston to Sydney typically take about 18 to 19 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from Houston to Sydney?
The great-circle distance between Houston and Sydney is approximately 13,836 km. Flown distance can be longer depending on airways.
Which airports serve flights from Houston to Sydney?
Houston is commonly searched with code IAH (related: IAH, HOU). Sydney is commonly searched with code SYD (related: SYD).
Are there direct flights from Houston to Sydney?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from Sydney to Houston?
The reverse city pair is Sydney to Houston. Distance is the same great-circle measure (13,836 km); block time can differ with winds and schedules.
Which countries does the Houston to Sydney route connect?
This route connects United States (Houston) with Australia (Sydney).