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

Cathay Pacific, American Airlines, and Delta are the most popular carriers operating from Houston to Australia

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 January 2026. The most frequent departure time is 20:00, with 100% of daily flights leaving in the evening.

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 January 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 January 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.

$667 Cheap Flights from Houston to Australia in 2026

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Find the cheapest flights from Houston to Australia

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One-way

Last minute

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Cheap return flights

Enter your travel dates to find the best prices.

16:34 - 09:30

IAH

MEL

23h 56m

1 stop

06:45 - 00:30

MEL

IAH

34h 45m

2 stops

$1,305Multiple Airlines

Wed, 25 Feb - Wed, 4 Mar

16:08 - 12:35

IAH

SYD

27h 27m

2 stops

14:00 - 00:30

SYD

IAH

27h 30m

2 stops

$1,373Multiple Airlines

Wed, 4 Feb - Wed, 25 Feb

16:32 - 07:05

IAH

BNE

47h 33m

2 stops

10:00 - 13:34

BNE

IAH

42h 34m

2 stops

$1,385Air Canada

Tue, 7 Apr - Tue, 21 Apr

17:25 - 07:05

IAH

BNE

22h 40m

1 stop

10:00 - 13:34

BNE

IAH

42h 34m

2 stops

$1,397Air Canada

Tue, 7 Apr - Tue, 21 Apr

14:12 - 05:00

IAH

BNE

22h 48m

1 stop

18:30 - 11:31

BNE

IAH

33h 01m

2 stops

$1,442Qantas Airways

Wed, 11 Feb - Wed, 18 Feb

18:26 - 17:40

IAH

SYD

31h 14m

2 stops

11:20 - 19:11

SYD

IAH

23h 51m

1 stop

$1,448Qantas Airways

Tue, 10 Mar - Tue, 24 Mar

20:05 - 10:55

IAH

MEL

21h 50m

1 stop

12:10 - 14:05

MEL

IAH

18h 55m

1 stop

$1,524Air New Zealand

Wed, 25 Feb - Wed, 4 Mar

21:55 - 10:40

IAH

SYD

21h 45m

1 stop

09:55 - 16:25

SYD

IAH

21h 30m

1 stop

$1,524Air New Zealand

Sun, 12 Apr - Sun, 26 Apr

12:42 - 05:00

HOU

BNE

25h 18m

2 stops

20:35 - 09:26

BNE

HOU

27h 51m

2 stops

$1,707American Airlines

Sun, 19 Apr - Mon, 27 Apr

12:47 - 05:00

HOU

BNE

24h 13m

2 stops

09:40 - 15:51

BNE

HOU

22h 11m

1 stop

$1,717American Airlines

Wed, 11 Feb - Wed, 18 Feb

Air New Zealand flights from Houston to Australia

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

Air New Zealand

12 Apr

IAH21:55Houston George Bush Intcntl

21h 45m

1 stop

SYD10:40Sydney Kingsford Smith

26 Apr

SYD09:55Sydney Kingsford Smith

21h 30m

1 stop

IAH16:25Houston George Bush Intcntl

$1,524

Air New Zealand

25 Feb

IAH15:02Houston George Bush Intcntl

26h 53m

2 stops

MEL10:55Melbourne

4 Mar

MEL12:10Melbourne

18h 55m

1 stop

IAH14:05Houston George Bush Intcntl

$1,529

Air New Zealand

24 Feb

IAH15:02Houston George Bush Intcntl

24h 43m

2 stops

SYD08:45Sydney Kingsford Smith

11 Mar

SYD09:55Sydney Kingsford Smith

21h 10m

1 stop

IAH15:05Houston George Bush Intcntl

$1,530

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

11 Feb

IAH14:12Houston George Bush Intcntl

22h 48m

1 stop

BNE05:00Brisbane

18 Feb

BNE18:30Brisbane

33h 01m

2 stops

IAH11:31Houston George Bush Intcntl

$1,442

Qantas Airways

10 Mar

IAH18:26Houston George Bush Intcntl

31h 14m

2 stops

SYD17:40Sydney Kingsford Smith

24 Mar

SYD11:20Sydney Kingsford Smith

23h 51m

1 stop

IAH19:11Houston George Bush Intcntl

$1,448

Qantas Airways

11 Feb

IAH14:12Houston George Bush Intcntl

22h 48m

1 stop

BNE05:00Brisbane

18 Feb

BNE18:30Brisbane

33h 01m

2 stops

IAH11:31Houston George Bush Intcntl

$1,488

Fly from

Fly to

Route

Depart

Return

Price

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 25/2

16:34-09:30

1 stop23h 56m

Melbourne

Wed 4/3

06:45-00:30

2 stops34h 45m

$1,305

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 4/2

16:08-12:35

2 stops27h 27m

Sydney Kingsford Smith

Wed 25/2

14:00-00:30

2 stops27h 30m

$1,373

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 7/4

16:32-07:05

2 stops47h 33m

Brisbane

Tue 21/4

10:00-13:34

2 stops42h 34m

$1,385

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 7/4

17:25-07:05

1 stop22h 40m

Brisbane

Tue 21/4

10:00-13:34

2 stops42h 34m

$1,397

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 11/2

14:12-05:00

1 stop22h 48m

Brisbane

Wed 18/2

18:30-11:31

2 stops33h 01m

$1,442

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/3

18:26-17:40

2 stops31h 14m

Sydney Kingsford Smith

Tue 24/3

11:20-19:11

1 stop23h 51m

$1,448

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 25/2

20:05-10:55

1 stop21h 50m

Melbourne

Wed 4/3

12:10-14:05

1 stop18h 55m

$1,524

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 12/4

21:55-10:40

1 stop21h 45m

Sydney Kingsford Smith

Sun 26/4

09:55-16:25

1 stop21h 30m

$1,524

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sun 19/4

12:42-05:00

2 stops25h 18m

Brisbane

Mon 27/4

20:35-09:26

2 stops27h 51m

$1,707

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 11/2

12:47-05:00

2 stops24h 13m

Brisbane

Wed 18/2

09:40-15:51

1 stop22h 11m

$1,717

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, July 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 $1,275. If you don’t want to visit Australia in July, then you should wait until March to fly from Houston, when ticket prices are also cheap, with an average price of $1,303.

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 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 $1,713 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 $1,433 on momondo.

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

There is only 1 cabin class 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 30m
Direct flights	Every day
Airports in Australia	266 airports

The fastest flight from Houston to Australia takes 17h 30m

Direct flights go from Houston to Australia every day.

There are 266 airports in Australia. From Houston there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

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 January 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
Qantas Airways	PriceFrom $668	Free cancellation	Rating 7.5 971 reviews		Search Qantas Airways 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.