How many flights depart from Houston to Australia on average per week?

The number of flights available between Houston and Australia is 21 per week as of November 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How many flights depart from Houston to Australia on average per day?

The number of flights available between Houston and Australia is 3 per day as of November 2026. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.

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

Cathay Pacific, Turkish Airlines, and Delta 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 many operators does momondo search for flights from Houston to Australia?

There is 1 operator available for flights from Houston to Australia as of November 2026.

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.

$798 Cheap Flights from Houston to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

09:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,485Multiple Airlines

Sat, 30 Jan - Sat, 13 Feb

10:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,505Multiple Airlines

Sun, 14 Feb - Tue, 2 Mar

10:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,513Multiple Airlines

Tue, 23 Feb - Wed, 3 Mar

10:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,540Multiple Airlines

Tue, 23 Feb - Wed, 3 Mar

09:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

14:55 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

22h 24m2 stops Nadi Los Angeles

$1,545Multiple Airlines

Sat, 30 Jan - Sun, 14 Feb

09:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,570Multiple Airlines

Tue, 2 Feb - Thu, 18 Feb

09:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,584Multiple Airlines

Sat, 30 Jan - Fri, 12 Feb

12:22 - 10:15IAH Houston George Bush Intcntl-BNE Brisbane

29h 53m2 stops Los Angeles Nadi

11:40 - 23:25BNE Brisbane-IAH Houston George Bush Intcntl

51h 45m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,621Multiple Airlines

Thu, 26 Nov - Thu, 3 Dec

11:55 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 21:34SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

51h 14m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,438Air Canada

Sun, 31 Jan - Wed, 17 Feb

11:55 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

52h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

11:20 - 21:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

51h 06m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,438Air Canada

Tue, 23 Feb - Tue, 9 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 26m1 stop Los Angeles

06:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

46h 32m2 stops Nadi Los Angeles

$1,748Multiple Airlines

Mon, 9 Nov - Fri, 20 Nov

22:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 26m1 stop Los Angeles

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

15h 40mdirect

$1,816Multiple Airlines

Mon, 9 Nov - Mon, 23 Nov

22:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 26m1 stop Los Angeles

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

15h 40mdirect

$1,839Multiple Airlines

Mon, 9 Nov - Wed, 25 Nov

22:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 26m1 stop Los Angeles

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

15h 40mdirect

$1,922Multiple Airlines

Mon, 9 Nov - Wed, 25 Nov

14:49 - 20:15IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

36h 26m3 stops Las Vegas Harry Reid Intl Los Angeles Tokyo Haneda

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

15h 40mdirect

$1,956Multiple Airlines

Mon, 9 Nov - Wed, 25 Nov

14:49 - 20:15IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

36h 26m3 stops Las Vegas Harry Reid Intl Los Angeles Tokyo Haneda

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

15h 40mdirect

$1,957Multiple Airlines

Mon, 9 Nov - Wed, 25 Nov

22:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 26m1 stop Los Angeles

11:20 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

41h 12m1 stop Los Angeles

$1,973Multiple Airlines

Mon, 9 Nov - Thu, 26 Nov

22:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 26m1 stop Los Angeles

11:20 - 11:27SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

41h 07m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,992Multiple Airlines

Mon, 9 Nov - Thu, 26 Nov

18:10 - 08:45IAH Houston George Bush Intcntl-BNE Brisbane

22h 35m1 stop Vancouver Intl

10:45 - 13:21BNE Brisbane-IAH Houston George Bush Intcntl

42h 36m2 stops Vancouver Intl Edmonton

$2,335Air Canada

Sun, 8 Nov - Thu, 12 Nov

18:10 - 08:45IAH Houston George Bush Intcntl-BNE Brisbane

22h 35m1 stop Vancouver Intl

10:45 - 14:38BNE Brisbane-IAH Houston George Bush Intcntl

19h 53m1 stop Vancouver Intl

$2,355Air Canada

Sun, 8 Nov - Thu, 12 Nov

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Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

1 Dec

IAH15:17Houston George Bush Intcntl

24h 43m

1 stop

SYD09:00Sydney Kingsford Smith

12 Dec

SYD07:05Sydney Kingsford Smith

24h 35m

2 stops

IAH14:40Houston George Bush Intcntl

$1,734

Qantas Airways

8 Dec

IAH15:19Houston George Bush Intcntl

22h 31m

1 stop

BNE05:50Brisbane

21 Jan

BNE18:30Brisbane

40h 02m

2 stops

IAH18:32Houston George Bush Intcntl

$1,755

Qantas Airways

8 Dec

IAH15:19Houston George Bush Intcntl

22h 31m

1 stop

BNE05:50Brisbane

21 Jan

BNE18:30Brisbane

40h 02m

2 stops

IAH18:32Houston George Bush Intcntl

$1,756

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

11 Mar

HOU15:50Houston Hobby

22h 05m

1 stop

SYD06:55Sydney Kingsford Smith

27 Mar

SYD13:05Sydney Kingsford Smith

21h 33m

1 stop

HOU18:38Houston Hobby

$2,553

American Airlines

26 Feb

HOU15:50Houston Hobby

22h 05m

1 stop

SYD06:55Sydney Kingsford Smith

5 Mar

SYD14:05Sydney Kingsford Smith

26h 42m

1 stop

HOU23:47Houston Hobby

$2,559

American Airlines

26 Feb

HOU15:50Houston Hobby

24h 10m

2 stops

SYD09:00Sydney Kingsford Smith

5 Mar

SYD14:05Sydney Kingsford Smith

18h 14m

1 stop

HOU15:19Houston Hobby

$2,565

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

Sat 30/1

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Sat 13/2

14:00-20:19

2 stops23h 19m

$1,485

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 14/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Tue 2/3

14:00-20:19

2 stops23h 19m

$1,505

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Wed 3/3

14:00-20:19

2 stops23h 19m

$1,513

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Wed 3/3

14:00-20:19

2 stops23h 19m

$1,540

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 30/1

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Sun 14/2

14:55-20:19

2 stops22h 24m

$1,545

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 2/2

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Thu 18/2

14:00-20:19

2 stops23h 19m

$1,570

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 30/1

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Fri 12/2

14:00-20:19

2 stops23h 19m

$1,584

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Thu 26/11

12:22-10:15

2 stops29h 53m

Brisbane

Thu 3/12

11:40-23:25

3 stops51h 45m

$1,621

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 31/1

11:55-09:35

2 stops28h 40m

Sydney Kingsford Smith

Wed 17/2

11:20-21:34

3 stops51h 14m

$2,438

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

11:55-09:35

3 stops52h 40m

Sydney Kingsford Smith

Tue 9/3

11:20-21:26

2 stops51h 06m

$2,438

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

Other information

What is the cheapest month to fly to Australia?

In general, February 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 $1,909. If you don’t want to visit Australia in February, then you should wait until May to fly from Houston, when ticket prices are also cheap, with an average price of $1,916.

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 $2,314 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 $1,570 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	$798
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 $798. The best return flight deal from Houston to Australia found on momondo in the last 72 hours is $1,485.

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 many operators does momondo search for flights from Houston to Australia?
There is 1 operator available for flights from Houston to Australia as of November 2026.
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.

Best airlines flying from Houston to Australia

Compare and see reviews for airlines that fly from Houston to Australia with momondo

Airline	Rating	Free cancellation	Price
Air Canada	PriceFrom $1,993	Free cancellation	Rating 7.1 11,847 reviews		Search Air Canada flights

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.