Airlines with flights from Houston to Sydney

There are three airlines with scheduled flights between IAH and SYD. United is the only airline with non-stop flights from Houston Airport to Sydney Airport and the flight time is 17 hours and 35 minutes.

Choose airline

Schedules

Non-stop with United Airlines

  • Total flight time: 17 hours and 35 minutes
  • Houston is a United Airlines hub.
  • 7 flights per week
  • Boeing 787-9
  • Business class available
IAH
Direct
SYD

The timetable & schedule information was updated at 2025-01-15

Via Los Angeles with United Airlines

  • Total flight time: 19h 50m - 24h 10m.
  • Houston is a United Airlines hub.
  • 21 flights per week
  • Boeing 787-9
IAH
 
Via LAX
 
SYD
 
Flight
Mon
Feb 3
Tue
Feb 4
Wed
Feb 5
Thu
Feb 6
Fri
Feb 7
Sat
Feb 8
Sun
Feb 9
UA1385
UA829
----
----
14:40
----
14:40
----
14:40
UA1743
UA839
16:45
16:45
16:45
16:45
16:45
16:35
16:45
UA1521
UA863
16:55
16:55
16:55
16:55
16:55
16:55
----
UA285
UA839
18:20
18:20
18:20
18:20
18:20
18:20
18:25
UA2636
UA863
18:35
18:35
18:35
18:35
18:35
18:35
18:35
UA2095
UA839
19:50
19:50
19:50
19:50
19:50
19:50
19:50
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAH - SYD

The timetable & schedule information was updated at 2025-01-15

Via San Francisco with United Airlines

  • Total flight time: 20h 40m - 24h 11m.
  • Houston is a United Airlines hub.
  • 17 flights per week
  • Boeing 787-9
IAH
 
Via SFO
 
SYD
 
Flight
Mon
Feb 3
Tue
Feb 4
Wed
Feb 5
Thu
Feb 6
Fri
Feb 7
Sat
Feb 8
Sun
Feb 9
UA1385
UA829
----
----
14:40
----
14:40
----
14:40
UA1743
UA839
16:45
16:45
16:45
16:45
16:45
16:35
16:45
UA1521
UA863
16:55
16:55
16:55
16:55
16:55
16:55
----
UA285
UA839
18:20
18:20
18:20
18:20
18:20
18:20
18:25
UA2636
UA863
18:35
18:35
18:35
18:35
18:35
18:35
18:35
UA2095
UA839
19:50
19:50
19:50
19:50
19:50
19:50
19:50
SHOW RETURN SCHEDULE
CHECK PRICES FOR IAH - SYD

The timetable & schedule information was updated at 2025-01-15

Via Los Angeles with American Airlines

  • Total flight time: 20h 08m - 21h 08m.
  • One World Alliance
  • 7 flights per week
IAH
 
Via LAX
 
SYD

The timetable & schedule information was updated at 2025-01-15

Via Toronto with Air Canada

  • Total flight time: 28h 10m - 30h 32m.
  • 7 flights per week
IAH
 
Via YYZ
 
SYD

The timetable & schedule information was updated at 2025-01-15

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