Houston to Sydney (IAH-SYD): nonstop flights and who flies them

United Airlines flies the IAH to SYD nonstop about 7 times a week. With United Airlines flying most of the schedule, the long-haul premium cabin opens when that one carrier decides it does, which is why the calendar matters more than the search. United Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

7
Nonstop flights a week
8,598 mi
Nonstop distance
Free
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Houston to Sydney flight schedule

Scheduled nonstop departures for IAH to SYD, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Houston (IAH) to Sydney (SYD)
Date Flight Airline Departs IAH Arrives SYD Duration Aircraft
UA 101United Airlines21:2507:0017h 35m789
UA 101United Airlines21:2507:0017h 35m789
UA 101United Airlines21:2507:0017h 35m789
UA 101United Airlines21:2507:0017h 35m789
UA 101United Airlines21:2507:0017h 35m789
UA 101United Airlines21:2507:0017h 35m789
UA 101United Airlines21:2507:0017h 35m789

Showing all 7 scheduled IAH to SYD departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every IAH to SYD date on the interactive map

The full IAH to SYD nonstop schedule

United Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full IAH to SYD nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each IAH to SYD departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IAH to SYD on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Houston to Sydney nonstop

Carriers operating IAH to SYD nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

Frequently asked questions about IAH to SYD

How far is Sydney from Houston?
IAH to SYD covers about 8,598 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from IAH to SYD?
United Airlines is currently the only airline flying IAH to SYD nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the IAH to SYD schedule rather than a space claim.
How many flights a week are there from IAH to SYD?
About 7 nonstop flights a week run between Houston and Sydney in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from IAH to SYD depart?
In the next 7 days with service, every scheduled IAH to SYD nonstop leaves at 21:25 local time at Houston. The schedule table on this page lists each departure by date.
Does 2LNR show upgrade or award space on IAH to SYD?
Not on this route: none of United Airlines is a carrier 2LNR reads inventory for. The page carries the full IAH to SYD nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full IAH to SYD nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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