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

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

What airlines fly to Australia?

Air New Zealand, United Airlines and American Airlines are the top three most popular airlines that fly to Australia from Houston according to our data. Air New Zealand is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 7 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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

As of January 2026, there are 3 flights per day flying from Houston to Australia. The most common time of day flights depart is 8:00PM, with 100% of flights taking off 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 are updated daily.

How many operators does momondo search for flights from Houston to Australia?

As of January 2026, there are 7 operators available to choose from for flights from Houston to Australia.

How old do you have to be to fly from Houston to Australia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$458 Cheap Flights from Houston to Australia in 2026

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Find the cheapest flights from Houston to Australia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:34 pm - 12:35 pm

IAH

SYD

27h 01m

2 stops

2:00 pm - 11:30 pm

SYD

IAH

26h 30m

2 stops

$843Multiple Airlines

Sun, Feb 22 - Sun, Mar 8

5:25 pm - 8:45 am

IAH

BNE

23h 20m

1 stop

10:45 am - 3:24 pm

BNE

IAH

20h 39m

1 stop

$943Air Canada

Sun, Feb 22 - Sun, Mar 8

4:21 pm - 6:30 am

HOU

BNE

22h 09m

1 stop

9:40 am - 2:50 pm

BNE

HOU

21h 10m

1 stop

$1,147American Airlines

Sun, Feb 22 - Sun, Mar 8

12:47 pm - 6:30 am

HOU

BNE

25h 43m

1 stop

9:40 am - 3:51 pm

BNE

HOU

22h 11m

1 stop

$1,152American Airlines

Sun, Feb 1 - Tue, Feb 17

5:19 pm - 8:20 am

HOU

BNE

47h 01m

2 stops

10:40 am - 9:42 pm

BNE

HOU

27h 02m

2 stops

$1,179Delta

Sun, Feb 22 - Sun, Mar 8

5:25 am - 8:20 am

HOU

BNE

34h 55m

2 stops

10:40 am - 10:01 am

BNE

HOU

39h 21m

2 stops

$1,215Delta

Wed, Feb 25 - Fri, Mar 6

6:09 pm - 10:40 pm

IAH

PER

39h 31m

2 stops

12:10 am - 7:11 pm

PER

IAH

32h 01m

2 stops

$1,457Cathay Pacific

Tue, May 5 - Tue, May 19

6:09 pm - 10:40 pm

IAH

PER

39h 31m

2 stops

12:10 am - 10:29 pm

PER

IAH

35h 19m

2 stops

$1,459Cathay Pacific

Tue, Apr 7 - Mon, Apr 27

7:41 pm - 2:10 pm

IAH

AVV

27h 29m

2 stops

8:55 pm - 3:51 pm

AVV

IAH

33h 56m

2 stops

$1,999Qantas Airways

Mon, Apr 20 - Mon, May 11

8:04 pm - 2:10 pm

IAH

AVV

27h 06m

2 stops

6:00 am - 3:48 pm

AVV

IAH

24h 48m

2 stops

$2,033Qantas Airways

Mon, Jun 15 - Tue, Jul 14

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

Feb 22

IAH7:42 pmHouston George Bush Intcntl

41h 18m

1 stop

BNE5:00 amBrisbane

Mar 8

BNE7:40 pmBrisbane

38h 31m

1 stop

IAH7:11 pmHouston George Bush Intcntl

$1,129

American Airlines

Feb 22

HOU4:21 pmHouston Hobby

22h 09m

1 stop

BNE6:30 amBrisbane

Mar 8

BNE9:40 amBrisbane

21h 10m

1 stop

HOU2:50 pmHouston Hobby

$1,147

American Airlines

Feb 1

IAH2:41 pmHouston George Bush Intcntl

23h 49m

1 stop

BNE6:30 amBrisbane

Feb 17

BNE9:40 amBrisbane

19h 59m

1 stop

IAH1:39 pmHouston George Bush Intcntl

$1,152

United Airlines flights from Houston to Australia

Our best United Airlines deals on Houston to Australia flight tickets

United Airlines

Mar 8

IAH10:12 amHouston George Bush Intcntl

29h 18m

1 stop

BNE6:30 amBrisbane

Mar 15

BNE10:40 amBrisbane

27h 18m

1 stop

IAH10:58 pmHouston George Bush Intcntl

$1,165

United Airlines

Mar 8

IAH3:16 pmHouston George Bush Intcntl

24h 14m

1 stop

BNE6:30 amBrisbane

Mar 15

BNE10:40 amBrisbane

33h 31m

2 stops

IAH5:11 amHouston George Bush Intcntl

$1,170

United Airlines

Jan 31

IAH9:32 pmHouston George Bush Intcntl

41h 58m

1 stop

BNE7:30 amBrisbane

Feb 16

BNE11:40 amBrisbane

19h 26m

1 stop

IAH3:06 pmHouston George Bush Intcntl

$1,175

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 2/22

4:34 pm-12:35 pm

2 stops27h 01m

Sydney Kingsford Smith

Sun 3/8

2:00 pm-11:30 pm

2 stops26h 30m

$843

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 2/22

5:25 pm-8:45 am

1 stop23h 20m

Brisbane

Sun 3/8

10:45 am-3:24 pm

1 stop20h 39m

$943

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sun 2/22

4:21 pm-6:30 am

1 stop22h 09m

Brisbane

Sun 3/8

9:40 am-2:50 pm

1 stop21h 10m

$1,147

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sun 2/1

12:47 pm-6:30 am

1 stop25h 43m

Brisbane

Tue 2/17

9:40 am-3:51 pm

1 stop22h 11m

$1,152

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sun 2/22

5:19 pm-8:20 am

2 stops47h 01m

Brisbane

Sun 3/8

10:40 am-9:42 pm

2 stops27h 02m

$1,179

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 2/25

5:25 am-8:20 am

2 stops34h 55m

Brisbane

Fri 3/6

10:40 am-10:01 am

2 stops39h 21m

$1,215

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Tue 5/5

6:09 pm-10:40 pm

2 stops39h 31m

Perth

Tue 5/19

12:10 am-7:11 pm

2 stops32h 01m

$1,457

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Tue 4/7

6:09 pm-10:40 pm

2 stops39h 31m

Perth

Mon 4/27

12:10 am-10:29 pm

2 stops35h 19m

$1,459

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Mon 4/20

7:41 pm-2:10 pm

2 stops27h 29m

Melbourne Avalon

Mon 5/11

8:55 pm-3:51 pm

2 stops33h 56m

$1,999

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Mon 6/15

8:04 pm-2:10 pm

2 stops27h 06m

Melbourne Avalon

Tue 7/14

6:00 am-3:48 pm

2 stops24h 48m

$2,033

Flights are sorted by cheapest round-trip 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?

The month of July is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $853. If you aren’t able to travel during the month of July, then book flights to Australia from Houston during March instead. Flights to Australia in March, while not as cheap as those in July, still average around $871.

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 $1,146 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Houston for as low as $945 on momondo.

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

There are 3 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

Fastest flight time	17h 35m
Direct flights	Every day
Airports in Australia	266 airports

The fastest flight from Houston to Australia takes 17h 35m

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 are updated daily.
How many operators does momondo search for flights from Houston to Australia?
As of January 2026, there are 7 operators available to choose from for flights from Houston to Australia.
How old do you have to be to fly from Houston to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek 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
Delta	PriceFrom $337	Free Cancellation	Rating 7.9 8,088 reviews	Search Delta flights
Qantas Airways	PriceFrom $666	Free Cancellation	Rating 7.5 973 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $750	Free Cancellation	Rating 7.1 10,646 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $783	Free Cancellation	Rating 8.0 573 reviews	Search Air New Zealand flights
Fiji Airways	PriceFrom $790	Free Cancellation	Rating 8.0 219 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $817	Free Cancellation	Rating 7.2 11,174 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,191 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Australia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Australia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Australia.

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.