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

Cathay Pacific, Turkish Airlines, and Air New Zealand 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.

$816 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.

19:48 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

41h 37m1 stop Los Angeles Los Angeles

14:00 - 11:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 26m2 stops Nadi Los Angeles Los Angeles

$1,519Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

19:48 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

41h 37m1 stop Los Angeles Los Angeles

14:00 - 11:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 26m2 stops Nadi Los Angeles Los Angeles

$1,549Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

07:00 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

48h 25m3 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles Nadi

13:15 - 11:23SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 08m3 stops Nadi Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,560Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

21:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

41h 31m1 stop Los Angeles Los Angeles

14:00 - 11:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 26m2 stops Nadi Los Angeles Los Angeles

$1,566Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

21:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

41h 31m1 stop Los Angeles Los Angeles

14:00 - 11:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 26m2 stops Nadi Los Angeles Los Angeles

$1,576Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

19:48 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

41h 37m1 stop Los Angeles Los Angeles

14:00 - 05:11SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 11m2 stops Nadi Los Angeles Los Angeles

$1,609Multiple Airlines

Tue, 3 Nov - Fri, 20 Nov

22:09 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 21m1 stop Los Angeles Los Angeles

14:15 - 11:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 11m2 stops Nadi Los Angeles Los Angeles

$1,640Multiple Airlines

Tue, 22 Sep - Thu, 8 Oct

21:15 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 10m1 stop Los Angeles Los Angeles

14:00 - 05:11SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 11m2 stops Nadi Los Angeles Los Angeles

$1,647Multiple Airlines

Thu, 5 Nov - Fri, 20 Nov

21:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 26m1 stop Los Angeles Los Angeles

14:00 - 11:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 26m2 stops Nadi Los Angeles Los Angeles

$1,691Multiple Airlines

Sat, 24 Oct - Mon, 9 Nov

07:00 - 12:00IAH Houston George Bush Intcntl-MEL Melbourne

38h 00m3 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles Nadi

13:25 - 09:26MEL Melbourne-IAH Houston George Bush Intcntl

35h 01m3 stops Nadi Los Angeles Los Angeles Orlando

$1,696Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:43 - 07:05IAH Houston George Bush Intcntl-BNE Brisbane

30h 22m1 stop Vancouver Intl

10:00 - 15:51BNE Brisbane-IAH Houston George Bush Intcntl

20h 51m1 stop Vancouver Intl

$1,922Air Canada

Sun, 16 Aug - Sun, 30 Aug

10:00 - 07:05IAH Houston George Bush Intcntl-BNE Brisbane

30h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:00 - 15:51BNE Brisbane-IAH Houston George Bush Intcntl

20h 51m1 stop Vancouver Intl

$1,924Air Canada

Sun, 16 Aug - Sun, 30 Aug

09:43 - 07:05IAH Houston George Bush Intcntl-BNE Brisbane

30h 22m1 stop Vancouver Intl

10:00 - 15:51BNE Brisbane-IAH Houston George Bush Intcntl

20h 51m1 stop Vancouver Intl

$2,042Air Canada

Wed, 12 Aug - Sun, 23 Aug

16:50 - 07:05IAH Houston George Bush Intcntl-BNE Brisbane

23h 15m1 stop Vancouver Intl

20:45 - 15:51BNE Brisbane-IAH Houston George Bush Intcntl

34h 06m2 stops Sydney Kingsford Smith Vancouver Intl

$2,145Air New Zealand

Wed, 12 Aug - Mon, 24 Aug

09:30 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

30h 50m2 stops Calgary Vancouver Intl

09:20 - 13:23SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 03m2 stops Vancouver Intl Edmonton

$2,171Air Canada

Sun, 16 Aug - Sat, 29 Aug

16:50 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 30m1 stop Vancouver Intl

09:20 - 15:51SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 31m1 stop Vancouver Intl

$2,189Air Canada

Sun, 16 Aug - Sat, 29 Aug

16:50 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 30m1 stop Vancouver Intl

09:20 - 15:51SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 31m1 stop Vancouver Intl

$2,191Air Canada

Sun, 16 Aug - Sat, 29 Aug

10:00 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

30h 20m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

09:20 - 15:51SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 31m1 stop Vancouver Intl

$2,195Air Canada

Sun, 16 Aug - Sat, 29 Aug

09:30 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

30h 50m2 stops Calgary Vancouver Intl

09:20 - 13:23SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 03m2 stops Vancouver Intl Edmonton

$2,223Air Canada

Sun, 16 Aug - Sat, 29 Aug

16:50 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 30m1 stop Vancouver Intl

09:20 - 15:51SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 31m1 stop Vancouver Intl

$2,242Air Canada

Thu, 13 Aug - Thu, 20 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,610United Airlines

Mon, 16 Nov - Tue, 16 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,611United Airlines

Mon, 16 Nov - Sun, 29 Nov

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,681United Airlines

Wed, 11 Nov - Fri, 27 Nov

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,682United Airlines

Wed, 11 Nov - Sat, 28 Nov

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,693United Airlines

Sat, 14 Nov - Tue, 16 Feb

21:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,751United Airlines

Sat, 24 Oct - Fri, 20 Nov

21:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,753United Airlines

Sat, 24 Oct - Fri, 20 Nov

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,787United Airlines

Wed, 18 Nov - Thu, 18 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,788United Airlines

Fri, 20 Nov - Sun, 29 Nov

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,858United Airlines

Fri, 1 Jan - Fri, 8 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

19 Oct

IAH15:23Houston George Bush Intcntl

24h 42m

1 stop

SYD08:05Sydney Kingsford Smith

26 Oct

SYD19:15Sydney Kingsford Smith

34h 09m

2 stops

IAH13:24Houston George Bush Intcntl

$1,817

Qantas Airways

24 Jan

IAH14:12Houston George Bush Intcntl

25h 48m

1 stop

SYD09:00Sydney Kingsford Smith

6 Feb

SYD17:50Sydney Kingsford Smith

36h 27m

2 stops

IAH13:17Houston George Bush Intcntl

$1,818

Qantas Airways

22 Oct

IAH15:23Houston George Bush Intcntl

23h 22m

1 stop

MEL06:45Melbourne

31 Oct

MEL13:55Melbourne

42h 48m

2 stops

IAH16:43Houston George Bush Intcntl

$1,848

Delta flights from Houston to Australia

Our best Delta deals on Houston to Australia flight tickets

Delta

4 Oct

HOU11:00Houston Hobby

28h 50m

2 stops

SYD07:50Sydney Kingsford Smith

20 Oct

SYD10:15Sydney Kingsford Smith

28h 48m

2 stops

HOU23:03Houston Hobby

$2,638

Delta

28 Oct

HOU06:09Houston Hobby

34h 21m

2 stops

BNE07:30Brisbane

13 Jan

BNE10:40Brisbane

38h 46m

2 stops

HOU09:26Houston Hobby

$2,644

Delta

6 Dec

HOU10:25Houston Hobby

29h 05m

2 stops

SYD08:30Sydney Kingsford Smith

13 Jan

SYD10:40Sydney Kingsford Smith

28h 03m

2 stops

HOU21:43Houston Hobby

$2,651

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 10/11

19:48-06:25

1 stop41h 37m

Sydney Kingsford Smith

Tue 17/11

14:00-11:26

2 stops38h 26m

$1,519

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 10/11

19:48-06:25

1 stop41h 37m

Sydney Kingsford Smith

Tue 17/11

14:00-11:26

2 stops38h 26m

$1,549

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 23/9

07:00-22:25

3 stops48h 25m

Sydney Kingsford Smith

Wed 30/9

13:15-11:23

3 stops37h 08m

$1,560

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

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

$1,566

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

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

$1,576

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 3/11

19:48-06:25

1 stop41h 37m

Sydney Kingsford Smith

Fri 20/11

14:00-05:11

2 stops32h 11m

$1,609

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 22/9

22:09-07:30

1 stop42h 21m

Sydney Kingsford Smith

Thu 8/10

14:15-11:26

2 stops37h 11m

$1,640

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Thu 5/11

21:15-06:25

1 stop40h 10m

Sydney Kingsford Smith

Fri 20/11

14:00-05:11

2 stops32h 11m

$1,647

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 24/10

21:59-06:25

1 stop40h 26m

Sydney Kingsford Smith

Mon 9/11

14:00-11:26

2 stops38h 26m

$1,691

HoustonMelbourne

IAH Houston George Bush Intcntl - MEL Melbourne

IAHMEL

Houston George Bush Intcntl

Wed 23/9

07:00-12:00

3 stops38h 00m

Melbourne

Wed 30/9

13:25-09:26

3 stops35h 01m

$1,696

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, November 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 $1,634. If you don’t want to visit Australia in November, then you should wait until May to fly from Houston, when ticket prices are also cheap, with an average price of $1,762.

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 $2,042 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 $1,432 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.