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

Air Canada, Qantas Airways, and American Airlines 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 are 2 operators available for flights from Houston to Australia as of September 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.

$801 Cheap Flights from Houston to Australia in 2025/26

1 adult

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Find the cheapest flights from Houston to Australia

Round-trip

One-way

Last minute

Direct

Cheap return flights

20:05 - 08:45IAH-SYD

19h 40m1 stop

11:45 - 14:05SYD-IAH

19h 20m1 stop

$1,519Air New Zealand

Find Deal

pon., 9 lut - ndz., 22 lut

15:02 - 08:45IAH-SYD

24h 43m2 stops

11:45 - 14:05SYD-IAH

19h 20m1 stop

$1,525Air New Zealand

Find Deal

pon., 9 lut - ndz., 22 lut

06:44 - 09:00IAH-SYD

34h 16m2 stops

14:15 - 05:20SYD-IAH

31h 05m2 stops

$1,583Multiple Airlines

Find Deal

wt., 14 paź - wt., 21 paź

06:44 - 12:45IAH-SYD

38h 01m2 stops

05:00 - 23:23SYD-IAH

34h 23m2 stops

$1,592Multiple Airlines

Find Deal

pon., 20 paź - ndz., 2 lis

18:28 - 10:10IAH-BNE

23h 42m2 stops

11:35 - 19:24BNE-IAH

23h 49m2 stops

$1,931Fiji Airways

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sob., 8 lis - wt., 18 lis

18:28 - 10:10IAH-BNE

23h 42m2 stops

11:25 - 18:01BNE-IAH

22h 36m2 stops

$1,982Fiji Airways

Find Deal

wt., 4 lis - czw., 13 lis

18:50 - 07:30IAH-BNE

20h 40m1 stop

11:40 - 15:02BNE-IAH

19h 22m1 stop

$2,188United Airlines

Find Deal

pon., 3 lis - pon., 10 lis

21:52 - 07:30IAH-BNE

41h 38m1 stop

11:40 - 15:02BNE-IAH

19h 22m1 stop

$2,208United Airlines

Find Deal

sob., 8 lis - ndz., 16 lis

16:24 - 06:30HOU-BNE

22h 06m1 stop

08:40 - 13:30BNE-HOU

19h 50m1 stop

$2,860Qantas Airways

Find Deal

czw., 5 mar - ndz., 15 mar

18:31 - 17:10HOU-BNE

30h 39m2 stops

08:40 - 13:30BNE-HOU

19h 50m1 stop

$2,899Qantas Airways

Find Deal

śr., 18 lut - czw., 12 mar

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

3 Nov

HOU06:00Houston Hobby

30h 00m

1 stop

MEL05:00Melbourne

11 Nov

MEL12:00Melbourne

22h 54m

2 stops

HOU17:54Houston Hobby

$2,155

Find similar

American Airlines

3 Nov

HOU16:24Houston Hobby

21h 31m

1 stop

SYD06:55Sydney Kingsford Smith

16 Nov

SYD14:05Sydney Kingsford Smith

20h 47m

1 stop

HOU17:52Houston Hobby

$2,172

Find similar

American Airlines

24 Feb

HOU09:10Houston Hobby

28h 45m

1 stop

SYD06:55Sydney Kingsford Smith

11 Mar

SYD13:05Sydney Kingsford Smith

22h 57m

1 stop

HOU20:02Houston Hobby

$2,173

Find similar

Air New Zealand flights from Houston to Australia

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

Air New Zealand

9 Feb

IAH20:05Houston George Bush Intcntl

19h 40m

1 stop

SYD08:45Sydney Kingsford Smith

22 Feb

SYD11:45Sydney Kingsford Smith

19h 20m

1 stop

IAH14:05Houston George Bush Intcntl

$1,519

Find similar

Air New Zealand

9 Feb

IAH15:02Houston George Bush Intcntl

24h 43m

2 stops

SYD08:45Sydney Kingsford Smith

22 Feb

SYD11:45Sydney Kingsford Smith

19h 20m

1 stop

IAH14:05Houston George Bush Intcntl

$1,525

Find similar

Air New Zealand

3 Nov

IAH20:05Houston George Bush Intcntl

19h 40m

1 stop

SYD08:45Sydney Kingsford Smith

16 Nov

SYD09:55Sydney Kingsford Smith

21h 10m

1 stop

IAH14:05Houston George Bush Intcntl

$1,534

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

pon. 9/2

20:05-08:45

1 stop19h 40m

Sydney Kingsford Smith

ndz. 22/2

11:45-14:05

1 stop19h 20m

$1,519

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

pon. 9/2

15:02-08:45

2 stops24h 43m

Sydney Kingsford Smith

ndz. 22/2

11:45-14:05

1 stop19h 20m

$1,525

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

wt. 14/10

06:44-09:00

2 stops34h 16m

Sydney Kingsford Smith

wt. 21/10

14:15-05:20

2 stops31h 05m

$1,583

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

pon. 20/10

06:44-12:45

2 stops38h 01m

Sydney Kingsford Smith

ndz. 2/11

05:00-23:23

2 stops34h 23m

$1,592

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

sob. 8/11

18:28-10:10

2 stops23h 42m

Brisbane

wt. 18/11

11:35-19:24

2 stops23h 49m

$1,931

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

wt. 4/11

18:28-10:10

2 stops23h 42m

Brisbane

czw. 13/11

11:25-18:01

2 stops22h 36m

$1,982

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

pon. 3/11

18:50-07:30

1 stop20h 40m

Brisbane

pon. 10/11

11:40-15:02

1 stop19h 22m

$2,188

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

sob. 8/11

21:52-07:30

1 stop41h 38m

Brisbane

ndz. 16/11

11:40-15:02

1 stop19h 22m

$2,208

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

czw. 5/3

16:24-06:30

1 stop22h 06m

Brisbane

ndz. 15/3

08:40-13:30

1 stop19h 50m

$2,860

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

śr. 18/2

18:31-17:10

2 stops30h 39m

Brisbane

czw. 12/3

08:40-13:30

1 stop19h 50m

$2,899

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, 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 $1,325. 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 $1,346.

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 $1,611. 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 $2,816. 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 $1,552. 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 $3,618. 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 $1,721 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 $1,318 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 are 2 operators available for flights from Houston to Australia as of September 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 $693	Free cancellation	Rating 7.5 905 reviews		Search Qantas Airways flights
United Airlines	PriceFrom $2,106	Free cancellation	Rating 7.4 8,929 reviews		Search United Airlines 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.