What is the cheapest airline that flies from Houston to Australia?

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

When did momondo last update prices for flights from Houston to Australia?

Prices for flights from Houston to Australia refresh daily.

How old do you have to be to fly from Houston to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$857 Cheap Flights from Houston to Australia in 2026

Find the cheapest flights from Houston to Australia

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

16:02 - 11:50

IAH

SYD

28h 48m

2 stops

13:15 - 23:56

SYD

IAH

25h 41m

2 stops

$1,446Multiple Airlines

Wed, 12 Aug - Tue, 18 Aug

16:02 - 22:25

IAH

SYD

39h 23m

2 stops

13:15 - 23:56

SYD

IAH

25h 41m

2 stops

$1,451Multiple Airlines

Wed, 12 Aug - Tue, 18 Aug

11:24 - 06:50

IAH

PER

30h 26m

2 stops

08:20 - 20:33

PER

IAH

49h 13m

2 stops

$2,546Cathay Pacific

Thu, 3 Sep - Sun, 13 Sep

20:20 - 23:00

HOU

MEL

33h 40m

2 stops

08:40 - 09:40

MEL

HOU

42h 00m

2 stops

$2,569Cathay Pacific

Tue, 3 Nov - Sat, 14 Nov

16:25 - 06:55

HOU

SYD

21h 30m

1 stop

14:05 - 15:54

SYD

HOU

18h 49m

1 stop

$2,594Qantas Airways

Mon, 2 Nov - Mon, 16 Nov

17:06 - 06:55

HOU

SYD

21h 49m

1 stop

13:05 - 16:36

SYD

HOU

19h 31m

1 stop

$2,595Qantas Airways

Mon, 19 Oct - Wed, 28 Oct

18:14 - 07:05

HOU

SYD

21h 51m

2 stops

12:00 - 17:42

SYD

HOU

20h 42m

1 stop

$2,657American Airlines

Sun, 6 Sep - Mon, 21 Sep

18:14 - 07:05

HOU

SYD

21h 51m

2 stops

09:10 - 15:43

SYD

HOU

21h 33m

2 stops

$2,659American Airlines

Mon, 31 Aug - Mon, 14 Sep

11:00 - 07:50

HOU

MEL

29h 50m

2 stops

10:00 - 22:40

MEL

HOU

27h 40m

2 stops

$2,685Delta

Mon, 21 Sep - Wed, 30 Sep

06:00 - 07:20

HOU

BNE

34h 20m

2 stops

10:40 - 21:43

BNE

HOU

27h 03m

2 stops

$2,725Delta

Wed, 28 Oct - Wed, 13 Jan

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Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

2 Nov

HOU16:25Houston Hobby

21h 30m

1 stop

SYD06:55Sydney Kingsford Smith

16 Nov

SYD14:05Sydney Kingsford Smith

18h 49m

1 stop

HOU15:54Houston Hobby

$2,594

Qantas Airways

19 Oct

HOU17:06Houston Hobby

21h 49m

1 stop

SYD06:55Sydney Kingsford Smith

28 Oct

SYD13:05Sydney Kingsford Smith

19h 31m

1 stop

HOU16:36Houston Hobby

$2,595

Qantas Airways

16 Nov

HOU16:25Houston Hobby

21h 30m

1 stop

SYD06:55Sydney Kingsford Smith

28 Nov

SYD14:05Sydney Kingsford Smith

18h 49m

1 stop

HOU15:54Houston Hobby

$2,663

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

6 Sept

HOU18:14Houston Hobby

21h 51m

2 stops

SYD07:05Sydney Kingsford Smith

21 Sept

SYD12:00Sydney Kingsford Smith

20h 42m

1 stop

HOU17:42Houston Hobby

$2,657

American Airlines

31 Aug

HOU18:14Houston Hobby

21h 51m

2 stops

SYD07:05Sydney Kingsford Smith

14 Sept

SYD09:10Sydney Kingsford Smith

21h 33m

2 stops

HOU15:43Houston Hobby

$2,659

American Airlines

30 Aug

HOU18:14Houston Hobby

21h 51m

2 stops

SYD07:05Sydney Kingsford Smith

14 Sept

SYD09:10Sydney Kingsford Smith

21h 33m

2 stops

HOU15:43Houston Hobby

$2,662

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 12/8

16:02-11:50

2 stops28h 48m

Sydney Kingsford Smith

Tue 18/8

13:15-23:56

2 stops25h 41m

$1,446

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 12/8

16:02-22:25

2 stops39h 23m

Sydney Kingsford Smith

Tue 18/8

13:15-23:56

2 stops25h 41m

$1,451

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Thu 3/9

11:24-06:50

2 stops30h 26m

Perth

Sun 13/9

08:20-20:33

2 stops49h 13m

$2,546

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Tue 3/11

20:20-23:00

2 stops33h 40m

Melbourne

Sat 14/11

08:40-09:40

2 stops42h 00m

$2,569

Fastest return journey

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 2/11

16:25-06:55

1 stop21h 30m

Sydney Kingsford Smith

Mon 16/11

14:05-15:54

1 stop18h 49m

$2,594

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

17:06-06:55

1 stop21h 49m

Sydney Kingsford Smith

Wed 28/10

13:05-16:36

1 stop19h 31m

$2,595

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 6/9

18:14-07:05

2 stops21h 51m

Sydney Kingsford Smith

Mon 21/9

12:00-17:42

1 stop20h 42m

$2,657

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 31/8

18:14-07:05

2 stops21h 51m

Sydney Kingsford Smith

Mon 14/9

09:10-15:43

2 stops21h 33m

$2,659

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Mon 21/9

11:00-07:50

2 stops29h 50m

Melbourne

Wed 30/9

10:00-22:40

2 stops27h 40m

$2,685

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 28/10

06:00-07:20

2 stops34h 20m

Brisbane

Wed 13/1

10:40-21:43

2 stops27h 03m

$2,725

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 Australia

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 cheapest month to fly to Australia?

In general, December is the cheapest month to fly from Houston to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $102. If you don’t want to visit Australia in December, then you should wait until March to fly from Houston, when ticket prices are also cheap, with an average price of $198.

What is the cheapest Houston to Australia flight route?

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

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

You are more likely to see cheaper flights to Australia from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,069 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Houston for as low as $1,459 on momondo.

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

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

Cheap Houston to Australia flight deals and tips

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

Fastest flight time	17h 35m
Direct flights	Every day
Airports in Australia	269 airports

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

Direct flights go from Houston to Australia every day.

There are 269 airports in Australia. From Houston there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from Houston to Australia

When did momondo last update prices for flights from Houston to Australia?
Prices for flights from Houston to Australia refresh daily.
How old do you have to be to fly from Houston to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Australia from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

Flights from Houston to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Houston and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Houston to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.