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

Cathay Pacific, Turkish Airlines, and Air Canada 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.

$628 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.

16:18 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 07m2 stops Ontario Nadi

14:00 - 05:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 10m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,595Multiple Airlines

Sun, 18 Oct - Mon, 2 Nov

10:30 - 10:25IAH Houston George Bush Intcntl-BNE Brisbane

32h 55m3 stops Denver Intl Los Angeles Los Angeles Nadi

11:35 - 15:13BNE Brisbane-IAH Houston George Bush Intcntl

42h 38m3 stops Nadi Los Angeles Los Angeles Orlando

$1,604Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

10:37 - 12:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 58m3 stops Denver Intl Los Angeles Los Angeles Nadi

14:55 - 05:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

31h 15m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,616Multiple Airlines

Mon, 9 Nov - Fri, 13 Nov

10:30 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

44h 55m3 stops Denver Intl Los Angeles Los Angeles Nadi

06:15 - 15:13SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

47h 58m3 stops Nadi Los Angeles Los Angeles Orlando

$1,618Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

10:30 - 12:05IAH Houston George Bush Intcntl-MEL Melbourne

34h 35m3 stops Denver 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

$1,630Multiple Airlines

Sat, 26 Sep - Wed, 30 Sep

14:41 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

39h 44m3 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles Nadi

14:00 - 06:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 10m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,636Multiple Airlines

Sun, 18 Oct - Sun, 1 Nov

14:41 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

39h 44m3 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles Nadi

14:00 - 05:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 10m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,640Multiple Airlines

Sun, 18 Oct - Mon, 2 Nov

16:18 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 07m2 stops Ontario Nadi

14:00 - 06:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 10m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,648Multiple Airlines

Sun, 18 Oct - Sun, 1 Nov

10:37 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 58m3 stops Denver Intl Los Angeles Los Angeles Auckland Intl

09:55 - 00:42SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

31h 47m3 stops Auckland Intl Los Angeles Los Angeles Denver Intl

$1,697Multiple Airlines

Sun, 1 Nov - Tue, 10 Nov

06:25 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

49h 00m3 stops Denver Intl Los Angeles Los Angeles Nadi

15:25 - 06:02SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

30h 37m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,705Multiple Airlines

Sun, 27 Sep - Sun, 4 Oct

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

10:15 - 15:37BNE Brisbane-IAH Houston George Bush Intcntl

20h 22m1 stop Vancouver Intl

$1,921Air Canada

Sun, 30 Aug - Tue, 15 Sep

16:02 - 07:05IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 03m1 stop Los Angeles Los Angeles

09:10 - 10:30SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 20m2 stops Los Angeles Los Angeles Chicago O'Hare Intl

$1,953Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

11:45 - 07:05IAH Houston George Bush Intcntl-BNE Brisbane

28h 20m2 stops Toronto Pearson Intl Vancouver Intl

20:45 - 15:37BNE Brisbane-IAH Houston George Bush Intcntl

33h 52m2 stops Sydney Kingsford Smith Vancouver Intl

$1,963Air Canada

Sun, 30 Aug - Tue, 15 Sep

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

23h 15m1 stop Vancouver Intl

10:15 - 19:06BNE Brisbane-IAH Houston George Bush Intcntl

47h 51m2 stops Vancouver Intl Calgary

$1,972Air Canada

Sun, 30 Aug - Tue, 15 Sep

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

23h 15m1 stop Vancouver Intl

10:00 - 15:37BNE Brisbane-IAH Houston George Bush Intcntl

20h 37m1 stop Vancouver Intl

$1,995Air Canada

Tue, 1 Sep - Wed, 9 Sep

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

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

10:00 - 15:37BNE Brisbane-IAH Houston George Bush Intcntl

20h 37m1 stop Vancouver Intl

$2,001Air Canada

Tue, 1 Sep - Wed, 9 Sep

09:30 - 07:05IAH Houston George Bush Intcntl-BNE Brisbane

30h 35m2 stops Calgary Vancouver Intl

10:00 - 19:06BNE Brisbane-IAH Houston George Bush Intcntl

48h 06m2 stops Vancouver Intl Calgary

$2,009Air Canada

Tue, 1 Sep - Wed, 9 Sep

16:02 - 07:05IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 03m1 stop Los Angeles Los Angeles

09:10 - 23:56SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

29h 46m1 stop Los Angeles Los Angeles

$2,044Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

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

23h 30m1 stop Vancouver Intl

09:20 - 19:06SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

48h 46m2 stops Vancouver Intl Calgary

$2,048Air Canada

Mon, 31 Aug - Mon, 14 Sep

10:26 - 20:10IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 44m2 stops Dallas/Fort Worth Hong Kong Intl

14:05 - 19:46SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

44h 41m2 stops Hong Kong Intl Los Angeles Los Angeles

$2,054Multiple Airlines

Mon, 31 Aug - Mon, 14 Sep

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

$2,569United Airlines

Tue, 23 Feb - Tue, 9 Mar

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

$2,571United Airlines

Sun, 15 Nov - Mon, 30 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

$2,635United Airlines

Wed, 11 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

$2,639United 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

$2,640United Airlines

Wed, 11 Nov - Sat, 28 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

$2,674United Airlines

Wed, 11 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

$2,675United Airlines

Mon, 16 Nov - Sun, 29 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

$2,709United 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

$2,710United 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

$2,743United Airlines

Sun, 24 Jan - Sat, 6 Feb

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American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

16 Sept

IAH14:08Houston George Bush Intcntl

23h 52m

1 stop

MEL05:00Melbourne

21 Oct

MEL09:45Melbourne

21h 08m

1 stop

IAH14:53Houston George Bush Intcntl

$1,980

American Airlines

16 Sept

IAH14:08Houston George Bush Intcntl

25h 37m

2 stops

MEL06:45Melbourne

21 Oct

MEL09:45Melbourne

25h 49m

1 stop

IAH19:34Houston George Bush Intcntl

$1,987

American Airlines

9 Feb

IAH05:00Houston George Bush Intcntl

31h 00m

1 stop

MEL05:00Melbourne

23 Feb

MEL10:00Melbourne

22h 26m

2 stops

IAH15:26Houston George Bush Intcntl

$2,023

Air New Zealand flights from Houston to Australia

Our best Air New Zealand deals on Houston to Australia flight tickets

Air New Zealand

14 Oct

IAH10:12Houston George Bush Intcntl

30h 18m

1 stop

MEL08:30Melbourne

21 Oct

MEL12:10Melbourne

19h 15m

1 stop

IAH15:25Houston George Bush Intcntl

$2,040

Air New Zealand

9 Feb

IAH12:00Houston George Bush Intcntl

28h 30m

1 stop

MEL09:30Melbourne

23 Feb

MEL12:10Melbourne

19h 05m

1 stop

IAH14:15Houston George Bush Intcntl

$2,041

Air New Zealand

14 Oct

IAH10:12Houston George Bush Intcntl

30h 18m

1 stop

MEL08:30Melbourne

21 Oct

MEL12:10Melbourne

24h 32m

2 stops

IAH20:42Houston George Bush Intcntl

$2,045

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

Sun 18/10

16:18-22:25

2 stops38h 07m

Sydney Kingsford Smith

Mon 2/11

14:00-05:10

3 stops32h 10m

$1,595

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Tue 22/9

10:30-10:25

3 stops32h 55m

Brisbane

Tue 29/9

11:35-15:13

3 stops42h 38m

$1,604

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 9/11

10:37-12:35

3 stops32h 58m

Sydney Kingsford Smith

Fri 13/11

14:55-05:10

3 stops31h 15m

$1,616

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 22/9

10:30-22:25

3 stops44h 55m

Sydney Kingsford Smith

Tue 29/9

06:15-15:13

3 stops47h 58m

$1,618

HoustonMelbourne

IAH Houston George Bush Intcntl - MEL Melbourne

IAHMEL

Houston George Bush Intcntl

Sat 26/9

10:30-12:05

3 stops34h 35m

Melbourne

Wed 30/9

13:25-09:26

3 stops35h 01m

$1,630

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 18/10

14:41-22:25

3 stops39h 44m

Sydney Kingsford Smith

Sun 1/11

14:00-06:10

3 stops32h 10m

$1,636

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 18/10

14:41-22:25

3 stops39h 44m

Sydney Kingsford Smith

Mon 2/11

14:00-05:10

3 stops32h 10m

$1,640

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 18/10

16:18-22:25

2 stops38h 07m

Sydney Kingsford Smith

Sun 1/11

14:00-06:10

3 stops32h 10m

$1,648

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 1/11

10:37-08:35

3 stops28h 58m

Sydney Kingsford Smith

Tue 10/11

09:55-00:42

3 stops31h 47m

$1,697

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 27/9

06:25-22:25

3 stops49h 00m

Sydney Kingsford Smith

Sun 4/10

15:25-06:02

3 stops30h 37m

$1,705

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 $1,640. 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 $1,782.

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 $2,047 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 $1,409 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

Best price found	$628
Fastest flight time	17h 35m
Direct flights	Every day
Airports in Australia	269 airports

The best one-way flight to Australia from Houston in the past 72 hours is $628. The best return flight deal from Houston to Australia found on momondo in the last 72 hours is $1,595.

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.