What is the cheapest airline that flies from Houston to Sydney Kingsford Smith?

American Airlines, Qantas Airways, and Delta are the most popular carriers operating from Houston to Sydney Kingsford Smith

When did momondo last update prices for flights from Houston to Sydney Kingsford Smith Airport?

Prices for flights from Houston to Sydney Kingsford Smith Airport were last updated today.

How old do you have to be to fly from Houston to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$864 Cheap Flights from Houston to Sydney in 2026

Find the cheapest flights from Houston to Sydney

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

19:48 - 06:25

IAH

SYD

41h 37m

1 stop

14:00 - 11:26

SYD

IAH

38h 26m

2 stops

$1,481Multiple Airlines

Tue, 3 Nov - Tue, 17 Nov

22:09 - 07:30

IAH

SYD

42h 21m

1 stop

14:15 - 11:26

SYD

IAH

37h 11m

2 stops

$1,531Multiple Airlines

Mon, 21 Sep - Wed, 7 Oct

21:59 - 07:30

IAH

SYD

41h 31m

1 stop

14:00 - 11:26

SYD

IAH

37h 26m

2 stops

$1,535Multiple Airlines

Sun, 18 Oct - Tue, 27 Oct

21:59 - 07:30

IAH

SYD

41h 31m

1 stop

14:00 - 11:26

SYD

IAH

37h 26m

2 stops

$1,538Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

22:09 - 07:30

IAH

SYD

42h 21m

1 stop

14:15 - 11:26

SYD

IAH

37h 11m

2 stops

$1,565Multiple Airlines

Mon, 21 Sep - Wed, 7 Oct

21:59 - 07:30

IAH

SYD

41h 31m

1 stop

14:00 - 11:26

SYD

IAH

37h 26m

2 stops

$1,567Multiple Airlines

Sun, 18 Oct - Mon, 26 Oct

16:02 - 07:30

IAH

SYD

24h 28m

1 stop

13:15 - 11:24

SYD

IAH

37h 09m

2 stops

$1,571Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

22:09 - 07:30

IAH

SYD

42h 21m

1 stop

15:25 - 11:24

SYD

IAH

35h 59m

2 stops

$1,572Multiple Airlines

Sun, 20 Sep - Sun, 4 Oct

22:09 - 07:30

IAH

SYD

42h 21m

1 stop

14:15 - 11:26

SYD

IAH

37h 11m

2 stops

$1,581Multiple Airlines

Mon, 21 Sep - Wed, 7 Oct

21:59 - 07:30

IAH

SYD

41h 31m

1 stop

14:00 - 11:26

SYD

IAH

37h 26m

2 stops

$1,588Multiple Airlines

Mon, 19 Oct - Tue, 27 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

16 Nov

HOU17:02Houston Hobby

20h 53m

1 stop

SYD06:55Sydney Kingsford Smith

29 Nov

SYD14:05Sydney Kingsford Smith

19h 32m

1 stop

HOU16:37Houston Hobby

$2,671

Qantas Airways

1 Dec

HOU17:02Houston Hobby

20h 53m

1 stop

SYD06:55Sydney Kingsford Smith

17 Dec

SYD14:05Sydney Kingsford Smith

18h 42m

1 stop

HOU15:47Houston Hobby

$2,672

Qantas Airways

6 Dec

HOU16:25Houston Hobby

21h 30m

1 stop

SYD06:55Sydney Kingsford Smith

26 Dec

SYD14:05Sydney Kingsford Smith

18h 42m

1 stop

HOU15:47Houston Hobby

$2,687

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets

American Airlines

21 Sept

HOU16:18Houston Hobby

23h 47m

2 stops

SYD07:05Sydney Kingsford Smith

7 Oct

SYD13:00Sydney Kingsford Smith

19h 36m

1 stop

HOU16:36Houston Hobby

$2,601

American Airlines

21 Sept

HOU16:18Houston Hobby

23h 47m

2 stops

SYD07:05Sydney Kingsford Smith

7 Oct

SYD10:10Sydney Kingsford Smith

22h 26m

2 stops

HOU16:36Houston Hobby

$2,603

American Airlines

21 Sept

HOU09:33Houston Hobby

30h 22m

1 stop

SYD06:55Sydney Kingsford Smith

7 Oct

SYD13:00Sydney Kingsford Smith

19h 36m

1 stop

HOU16:36Houston Hobby

$2,606

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 3/11

19:48-06:25

1 stop41h 37m

Sydney Kingsford Smith

Tue 17/11

14:00-11:26

2 stops38h 26m

$1,481

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 21/9

22:09-07:30

1 stop42h 21m

Sydney Kingsford Smith

Wed 7/10

14:15-11:26

2 stops37h 11m

$1,531

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 18/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Tue 27/10

14:00-11:26

2 stops37h 26m

$1,535

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 19/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Mon 26/10

14:00-11:26

2 stops37h 26m

$1,538

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 21/9

22:09-07:30

1 stop42h 21m

Sydney Kingsford Smith

Wed 7/10

14:15-11:26

2 stops37h 11m

$1,565

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 18/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Mon 26/10

14:00-11:26

2 stops37h 26m

$1,567

Fastest return journey

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 1/9

16:02-07:30

1 stop24h 28m

Sydney Kingsford Smith

Tue 8/9

13:15-11:24

2 stops37h 09m

$1,571

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 20/9

22:09-07:30

1 stop42h 21m

Sydney Kingsford Smith

Sun 4/10

15:25-11:24

2 stops35h 59m

$1,572

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 21/9

22:09-07:30

1 stop42h 21m

Sydney Kingsford Smith

Wed 7/10

14:15-11:26

2 stops37h 11m

$1,581

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 19/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Tue 27/10

14:00-11:26

2 stops37h 26m

$1,588

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Houston and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $1,660 to $2,530.
The lowest price recently found on this route was $1,481.

What is the cheapest month to fly to Sydney?

The month of November is, on average, the cheapest month to fly to Sydney from Houston, with most prices found around $1,542. If you aren’t able to travel to Sydney during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,609.

What is the cheapest Houston to Sydney Kingsford Smith flight route?

Fly from Houston George Bush Intcntl to Sydney Kingsford Smith for the best Houston - Sydney Kingsford Smith flight prices

How far in advance should I book a flight from Houston to Sydney?

You are more likely to see cheaper flights to Sydney from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,078 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Houston for as low as $1,437 on momondo.

What cabin class options are available on Houston to Sydney flights?

There are 2 cabin classes available to choose from on Houston to Sydney flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Sydney

Fastest flight time	17h 35m
Direct flights	Every day
Airports in Sydney	1 airport

The fastest flight from Houston to Sydney takes 17h 35m

Direct flights go from Houston to Sydney every day.

There is 1 airport in Sydney. From Houston there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from Houston to Sydney

How far is Houston to Sydney Kingsford Smith by plane?
The distance between Houston and Sydney Kingsford Smith is about 13809.4 km. Typically, this will take 17h 35m by plane in normal conditions.
When did momondo last update prices for flights from Houston to Sydney Kingsford Smith Airport?
Prices for flights from Houston to Sydney Kingsford Smith Airport were last updated today.
How old do you have to be to fly from Houston to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Manly

Lithgow

Coogee

Leura

Cronulla

Bondi Beach

Randwick

Charlestown

Swansea

Newport

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Houston to Sydney with flexible booking policies on momondo?

All flight searches from Houston to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Houston to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Houston to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Houston and alert you when they change.