Sydney (Mascot) to Houston (SYD–IAH) — Airlines, Schedules & Connections

SYD Airport Page →
8,598 mi airlines 0/wk
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Connecting Flight Schedule 15 1-stop flights Verified 4w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Sydney (Mascot) to Houston
Connecting service available through multiple hubs.
1 Airlines 8,598 mi 15h 35m nonstop -15h behind 15 1-stop hubs

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, 15 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SYD–IAH service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 0 Star Alliance
Alliance coverage
Star Alliance: UA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SYD to IAH.
1-STOP
One-Stop Connections
15
Hubs
~5h
Fastest
~43h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
921
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Travel Essentials

Practical planning for this route.
Time Difference
-15h
Houston is 15 hours behind Sydney (Mascot).
SYD: AEST · IAH: CDT

When it's 6:00 PM in Sydney (Mascot), it's 3:00 AM in Houston.
Distance & Flight Time
8,598 mi / 13,836 km
Nonstop flight time is approximately 15h 35m.
Getting to SYD

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.

Getting from IAH

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.

Houston Climate

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

Key statistics for the Sydney (Mascot) to Houston route.
Route details
Distance8,598 mi / 13,836 km
Flight time15h 35m
Time difference-15 hours
Airlines (nonstop)1
1-stop connections15 hubs
Origin: SYD
IATA / ICAOSYD / YSSY
TimezoneAustralia/Sydney
Passengers/yr41.4M
Elevation21 ft / 6 m
Destination: IAH
IATA / ICAOIAH / KIAH
TimezoneAmerica/Chicago
Passengers/yr46.7M
Elevation97 ft / 30 m

Frequently Asked Questions

Common questions about SYD to IAH flights.
Nonstop flights from Sydney Kingsford Smith International Airport to George Bush Intercontinental Airport take approximately 15h 35m. The route covers 8,598 miles.
1 airline operates nonstop service: United Airlines.
Yes, 1-stop connections are available through MCO, TUS, LAS, NRT, AKL, SCL, YVR, DFW, HNL, LAX, SFO, DOH, HND, TPE and DXB. These options provide additional schedule flexibility.
Houston is 15 hours behind Sydney (Mascot).
Yes, return flights from IAH to SYD are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

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.

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).

Connecting Options and Alternatives

15 one-stop connections are available, with the fastest taking approximately 5 hours via MCO. Two-stop connections are also available via intermediate hubs.