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

Philippine Airlines, United 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.

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.

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.

$714 Cheap Flights from Houston to Australia in 2025/26

1 adult

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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.

16:13 - 12:35

IAH

SYD

27h 22m2 stops

06:00 - 00:19

SYD

IAH

35h 19m2 stops

$1,208Multiple Airlines

Tue, 3 Feb - Tue, 10 Feb

16:13 - 22:05

IAH

SYD

36h 52m2 stops

14:00 - 00:19

SYD

IAH

27h 19m2 stops

$1,228Multiple Airlines

Wed, 28 Jan - Sun, 1 Feb

17:25 - 08:45

IAH

BNE

23h 20m1 stop

10:45 - 13:34

BNE

IAH

42h 49m2 stops

$1,391Air Canada

Tue, 3 Feb - Tue, 17 Feb

12:10 - 08:45

IAH

BNE

28h 35m2 stops

10:45 - 13:34

BNE

IAH

42h 49m2 stops

$1,396Air Canada

Tue, 3 Feb - Tue, 17 Feb

19:42 - 09:30

IAH

MEL

21h 48m1 stop

12:00 - 19:11

MEL

IAH

23h 11m1 stop

$1,665Qantas Airways

Thu, 12 Mar - Thu, 19 Mar

15:02 - 10:55

IAH

MEL

26h 53m2 stops

10:35 - 14:05

MEL

IAH

20h 30m1 stop

$1,670Air New Zealand

Mon, 9 Feb - Mon, 23 Feb

20:05 - 10:55

IAH

MEL

21h 50m1 stop

12:10 - 14:05

MEL

IAH

18h 55m1 stop

$1,674Air New Zealand

Sun, 1 Feb - Wed, 25 Feb

10:50 - 08:20

HOU

BNE

53h 30m2 stops

09:40 - 10:39

BNE

HOU

39h 59m2 stops

$1,827Delta

Thu, 5 Mar - Sun, 15 Mar

13:00 - 07:50

HOU

MEL

27h 50m2 stops

10:00 - 21:35

MEL

HOU

26h 35m2 stops

$2,186Delta

Wed, 24 Jun - Wed, 8 Jul

12:17 - 17:10

HOU

BNE

36h 53m2 stops

08:30 - 11:48

BNE

HOU

42h 18m2 stops

$2,467Qantas Airways

Wed, 18 Feb - Thu, 12 Mar

Air New Zealand flights from Houston to Australia

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

Air New Zealand

4 Feb

IAH20:05Houston George Bush Intcntl

19h 40m

1 stop

SYD08:45Sydney Kingsford Smith

25 Feb

SYD09:55Sydney Kingsford Smith

21h 10m

1 stop

IAH14:05Houston George Bush Intcntl

$1,579

Find similar

Air New Zealand

15 Feb

IAH20:05Houston George Bush Intcntl

21h 25m

1 stop

SYD10:30Sydney Kingsford Smith

1 Mar

SYD09:55Sydney Kingsford Smith

21h 10m

1 stop

IAH14:05Houston George Bush Intcntl

$1,588

Find similar

Air New Zealand

11 Feb

IAH15:02Houston George Bush Intcntl

24h 43m

2 stops

SYD08:45Sydney Kingsford Smith

1 Mar

SYD09:55Sydney Kingsford Smith

21h 10m

1 stop

IAH14:05Houston George Bush Intcntl

$1,597

Find similar

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

25 Feb

HOU12:17Houston Hobby

23h 43m

1 stop

MEL05:00Melbourne

4 Mar

MEL16:05Melbourne

20h 50m

1 stop

HOU19:55Houston Hobby

$2,134

Find similar

American Airlines

6 Apr

HOU12:18Houston Hobby

25h 42m

1 stop

MEL05:00Melbourne

27 Apr

MEL09:45Melbourne

23h 14m

2 stops

HOU17:59Houston Hobby

$2,140

Find similar

American Airlines

15 Feb

HOU16:20Houston Hobby

21h 35m

1 stop

SYD06:55Sydney Kingsford Smith

1 Mar

SYD14:05Sydney Kingsford Smith

18h 45m

1 stop

HOU15:50Houston Hobby

$2,141

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 3/2

16:13-12:35

2 stops27h 22m

Sydney Kingsford Smith

Tue 10/2

06:00-00:19

2 stops35h 19m

$1,208

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 28/1

16:13-22:05

2 stops36h 52m

Sydney Kingsford Smith

Sun 1/2

14:00-00:19

2 stops27h 19m

$1,228

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

$1,391

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 3/2

12:10-08:45

2 stops28h 35m

Brisbane

Tue 17/2

10:45-13:34

2 stops42h 49m

$1,396

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Thu 12/3

19:42-09:30

1 stop21h 48m

Melbourne

Thu 19/3

12:00-19:11

1 stop23h 11m

$1,665

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 9/2

15:02-10:55

2 stops26h 53m

Melbourne

Mon 23/2

10:35-14:05

1 stop20h 30m

$1,670

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sun 1/2

20:05-10:55

1 stop21h 50m

Melbourne

Wed 25/2

12:10-14:05

1 stop18h 55m

$1,674

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Thu 5/3

10:50-08:20

2 stops53h 30m

Brisbane

Sun 15/3

09:40-10:39

2 stops39h 59m

$1,827

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 24/6

13:00-07:50

2 stops27h 50m

Melbourne

Wed 8/7

10:00-21:35

2 stops26h 35m

$2,186

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 18/2

12:17-17:10

2 stops36h 53m

Brisbane

Thu 12/3

08:30-11:48

2 stops42h 18m

$2,467

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 $1,269. 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 $1,333.

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 $1,598. 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 $2,792. 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 $1,539. 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 $2,199. 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 $1,652 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 $1,284 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 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 $687	Free cancellation	Rating 7.5 957 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.