Sydney (Mascot) to Houston (SYD–IAH) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
SYD–IAH is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 8,598 miles in approximately 15h 35m. Beyond nonstop, 13 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 7 | 789 | 15h35 | – | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
SYD: AEDT · IAH: CDT
When it's 6:00 PM in Sydney (Mascot), it's 2:00 AM in Houston.
The Airport Link train (T8 line) runs from Central Station to the International Terminal in 13 minutes and to Domestic terminals in 10 minutes. Trains run roughly every 10 minutes from about 05:00 to midnight. The fare is AUD $20.10 from the CBD (Opal card); this includes a station access fee levied separately from standard fares.Taxis from the CBD cost AUD $45–65 depending on traffic and time of day; Uber is available from designated pick-up zones. The Eastern Distributor and Southern Cross Drive are the main road routes; the airport is about 10 km south of the CBD. Short-term parking at T1 international starts at AUD $8 for 30 minutes.
No direct rail from IAH. The METRO bus 102 (IAH Express) runs to downtown Houston's transit center (60–90 min, $1.25). Taxis to downtown Houston cost $50–70. Ride-hails pick up at the designated Rideshare zones outside baggage claim on the lower level.IAH has five terminals (A–E) connected by an underground tunnel with trams. Terminal D handles international arrivals. Rental car agencies are in a consolidated facility adjacent to Terminal C; a free IAH Connector bus runs between terminals and the rental car center. The Galleria / Uptown area costs $35–50 by ride-hail.
Humid subtropical climate. Hot, humid, and wet for much of the year. Summers are brutal (33–38°C) with high humidity and near-daily afternoon thunderstorms. Severe storms with hail and high winds regularly cause ground stops from April through September. Houston's flooding risk is significant. Heavy rain events, including tropical system remnants, have flooded airport roads, cutting off surface access even when the airport itself remains operational.
Winters are mild (5–18°C) with occasional ice storms. These are rare but highly disruptive when they occur. Hurricane season (June–November) requires monitoring for Gulf storms. October through March has the best flying weather.
SYD–IAH Quick Facts
Frequently Asked Questions
Flights from SYD to IAH
Sydney Kingsford Smith International Airport (SYD) and George Bush Intercontinental Airport (IAH) are connected by nonstop service from United Airlines. With 7 weekly departures, this is a regularly served route.
SYD to IAH Flight Duration and Schedule
Nonstop flight time from SYD to IAH ranges from 15 hours 35 minutes. The route covers a distance of 8,598 miles (13,836 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.
Connecting Options and Alternatives
13 one-stop connections are available, with the fastest taking approximately 17 hours via LAS. Two-stop connections are also available via intermediate hubs.