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 December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

Philippine Airlines, 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 December 2025. The most frequent departure time is 20:00, with 100% of daily flights leaving in the evening.

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 December 2025.

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.

$782 Cheap Flights from Houston to Australia in 2025/26

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Find the cheapest flights from Houston to Australia

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

09:36 - 09:35

IAH

SYD

30h 59m2 stops

11:20 - 13:34

SYD

IAH

43h 14m2 stops

$1,401Air Canada

Sun, 8 Feb - Sun, 22 Feb

17:25 - 08:45

IAH

BNE

23h 20m1 stop

10:45 - 13:34

BNE

IAH

42h 49m2 stops

$1,405Air Canada

Tue, 3 Feb - Tue, 17 Feb

16:13 - 12:35

IAH

SYD

27h 22m2 stops

14:00 - 23:55

SYD

IAH

26h 55m2 stops

$1,436Multiple Airlines

Sun, 25 Jan - Sat, 31 Jan

16:13 - 12:35

IAH

SYD

27h 22m2 stops

14:00 - 00:19

SYD

IAH

27h 19m2 stops

$1,437Multiple Airlines

Mon, 19 Jan - Sun, 1 Feb

12:47 - 05:00

HOU

MEL

23h 13m1 stop

16:05 - 22:46

MEL

HOU

23h 41m1 stop

$1,692American Airlines

Mon, 26 Jan - Mon, 9 Feb

16:20 - 05:00

HOU

MEL

20h 40m1 stop

09:45 - 17:59

MEL

HOU

23h 14m2 stops

$1,696American Airlines

Mon, 9 Mar - Tue, 21 Apr

10:35 - 07:30

HOU

SYD

28h 55m2 stops

09:40 - 16:32

SYD

HOU

22h 52m2 stops

$1,758Delta

Tue, 10 Mar - Tue, 24 Mar

11:09 - 08:00

HOU

MEL

27h 51m2 stops

10:10 - 22:33

MEL

HOU

29h 23m2 stops

$1,758Delta

Wed, 28 Jan - Wed, 4 Feb

18:10 - 15:50

IAH

AVV

28h 40m2 stops

08:10 - 15:44

AVV

IAH

24h 34m2 stops

$3,466Qantas Airways

Tue, 3 Feb - Tue, 17 Feb

18:36 - 15:50

HOU

AVV

28h 14m2 stops

08:10 - 15:50

AVV

HOU

24h 40m2 stops

$3,466Qantas Airways

Tue, 3 Feb - Tue, 17 Feb

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

10 Feb

IAH14:12Houston George Bush Intcntl

22h 48m

1 stop

BNE05:00Brisbane

10 Mar

BNE19:40Brisbane

38h 31m

1 stop

IAH19:11Houston George Bush Intcntl

$1,615

Find similar

Qantas Airways

18 Feb

HOU16:20Houston Hobby

29h 05m

2 stops

SYD14:25Sydney Kingsford Smith

27 Feb

SYD06:20Sydney Kingsford Smith

22h 27m

2 stops

HOU11:47Houston Hobby

$2,508

Find similar

Qantas Airways

22 Mar

HOU16:20Houston Hobby

22h 35m

1 stop

SYD06:55Sydney Kingsford Smith

3 May

SYD12:00Sydney Kingsford Smith

20h 59m

1 stop

HOU17:59Houston Hobby

$2,728

Find similar

Air Canada flights from Houston to Australia

Our best Air Canada deals on Houston to Australia flight tickets

Air Canada

8 Feb

IAH09:36Houston George Bush Intcntl

30h 59m

2 stops

SYD09:35Sydney Kingsford Smith

22 Feb

SYD11:20Sydney Kingsford Smith

43h 14m

2 stops

IAH13:34Houston George Bush Intcntl

$1,401

Find similar

Air Canada

3 Feb

IAH17:25Houston George Bush Intcntl

23h 20m

1 stop

BNE08:45Brisbane

17 Feb

BNE10:45Brisbane

42h 49m

2 stops

IAH13:34Houston George Bush Intcntl

$1,405

Find similar

Air Canada

3 Feb

IAH17:25Houston George Bush Intcntl

23h 20m

1 stop

BNE08:45Brisbane

17 Feb

BNE10:45Brisbane

42h 49m

2 stops

IAH13:34Houston George Bush Intcntl

$1,407

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 8/2

09:36-09:35

2 stops30h 59m

Sydney Kingsford Smith

Sun 22/2

11:20-13:34

2 stops43h 14m

$1,401

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 3/2

17:25-08:45

1 stop23h 20m

Brisbane

Tue 17/2

10:45-13:34

2 stops42h 49m

$1,405

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 25/1

16:13-12:35

2 stops27h 22m

Sydney Kingsford Smith

Sat 31/1

14:00-23:55

2 stops26h 55m

$1,436

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 19/1

16:13-12:35

2 stops27h 22m

Sydney Kingsford Smith

Sun 1/2

14:00-00:19

2 stops27h 19m

$1,437

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Mon 26/1

12:47-05:00

1 stop23h 13m

Melbourne

Mon 9/2

16:05-22:46

1 stop23h 41m

$1,692

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Mon 9/3

16:20-05:00

1 stop20h 40m

Melbourne

Tue 21/4

09:45-17:59

2 stops23h 14m

$1,696

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 10/3

10:35-07:30

2 stops28h 55m

Sydney Kingsford Smith

Tue 24/3

09:40-16:32

2 stops22h 52m

$1,758

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 28/1

11:09-08:00

2 stops27h 51m

Melbourne

Wed 4/2

10:10-22:33

2 stops29h 23m

$1,758

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Tue 3/2

18:10-15:50

2 stops28h 40m

Melbourne Avalon

Tue 17/2

08:10-15:44

2 stops24h 34m

$3,466

HoustonMelbourne

HOU - AVV

HOUAVV

Houston Hobby

Tue 3/2

18:36-15:50

2 stops28h 14m

Melbourne Avalon

Tue 17/2

08:10-15:50

2 stops24h 40m

$3,466

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 $1,285. 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 $1,351.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from Houston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,617. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Houston to Australia on a Friday will generally be more expensive and average around $2,826. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is in the afternoon. momondo users have found flights departing from Houston to Australia in the afternoon for as low as $1,557. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $3,151. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,657 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 $1,300 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	1 airport

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

Direct flights go from Houston to Australia every day.

There is 1 airport near Australia: 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 December 2025.
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 $695	Free cancellation	Rating 7.5 947 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.