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

Alaska Airlines, Delta, and United Airlines 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 66% 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.

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 June 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.

$522 Cheap Flights from Houston to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:10 am - 10:35 am

IAH

BNE

37h 25m

2 stops

11:35 am - 11:56 pm

BNE

IAH

27h 21m

2 stops

$948Multiple Airlines

Mon, Aug 17 - Tue, Sep 1

6:10 am - 10:35 am

IAH

BNE

37h 25m

2 stops

11:35 am - 8:02 am

BNE

IAH

59h 27m

3 stops

$972Multiple Airlines

Mon, Aug 17 - Tue, Sep 1

4:30 pm - 11:05 am

IAH

BNE

27h 35m

2 stops

12:20 pm - 4:25 pm

BNE

IAH

19h 05m

1 stop

$1,243Air New Zealand

Wed, Aug 19 - Wed, Aug 26

3:30 pm - 10:55 am

IAH

MEL

28h 25m

2 stops

8:35 am - 4:25 pm

MEL

IAH

22h 50m

1 stop

$1,269Air New Zealand

Mon, Aug 10 - Mon, Aug 17

6:49 pm - 11:50 am

HOU

SYD

26h 01m

2 stops

6:15 am - 7:57 pm

SYD

HOU

28h 42m

2 stops

$1,484Fiji Airways

Tue, Jul 28 - Tue, Aug 4

3:57 pm - 11:50 am

HOU

SYD

28h 53m

2 stops

1:15 pm - 11:56 pm

SYD

HOU

25h 41m

2 stops

$1,598Fiji Airways

Thu, Aug 13 - Thu, Aug 20

6:19 pm - 8:05 am

HOU

SYD

21h 46m

2 stops

1:05 pm - 3:58 pm

SYD

HOU

18h 53m

1 stop

$1,631American Airlines

Sun, Oct 18 - Sun, Oct 25

6:14 pm - 6:55 am

HOU

SYD

21h 41m

1 stop

12:00 pm - 3:26 pm

SYD

HOU

18h 26m

1 stop

$1,632American Airlines

Wed, Aug 19 - Wed, Aug 26

6:19 pm - 6:30 am

HOU

BNE

21h 11m

1 stop

6:30 pm - 12:09 pm

BNE

HOU

33h 39m

2 stops

$1,770Qantas Airways

Wed, Oct 28 - Wed, Jan 13

4:47 pm - 8:20 pm

IAH

AVV

34h 33m

2 stops

6:00 am - 4:17 pm

AVV

IAH

27h 17m

2 stops

$1,959Qantas Airways

Tue, Nov 3 - Sat, Nov 14

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Qatar Airways flights from Houston to Australia

Our best Qatar Airways deals on Houston to Australia flight tickets

Qatar Airways

Jun 29

IAH6:15 pmHouston George Bush Intcntl

44h 55m

1 stop

SYD6:10 amSydney Kingsford Smith

Jul 6

SYD2:50 pmSydney Kingsford Smith

40h 05m

1 stop

IAH3:55 pmHouston George Bush Intcntl

$1,948

Qatar Airways

Jun 29

IAH6:15 pmHouston George Bush Intcntl

45h 20m

1 stop

SYD6:35 amSydney Kingsford Smith

Jul 6

SYD2:50 pmSydney Kingsford Smith

40h 05m

1 stop

IAH3:55 pmHouston George Bush Intcntl

$1,962

Qatar Airways

Jun 28

IAH6:15 pmHouston George Bush Intcntl

31h 55m

1 stop

SYD5:10 pmSydney Kingsford Smith

Jun 30

SYD8:45 pmSydney Kingsford Smith

34h 10m

1 stop

IAH3:55 pmHouston George Bush Intcntl

$2,128

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

Oct 18

HOU6:19 pmHouston Hobby

21h 46m

2 stops

SYD8:05 amSydney Kingsford Smith

Oct 25

SYD1:05 pmSydney Kingsford Smith

18h 53m

1 stop

HOU3:58 pmHouston Hobby

$1,631

American Airlines

Aug 19

HOU6:14 pmHouston Hobby

21h 41m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 26

SYD12:00 pmSydney Kingsford Smith

18h 26m

1 stop

HOU3:26 pmHouston Hobby

$1,632

American Airlines

Aug 17

HOU6:14 pmHouston Hobby

21h 51m

2 stops

SYD7:05 amSydney Kingsford Smith

Sep 2

SYD9:10 amSydney Kingsford Smith

21h 16m

2 stops

HOU3:26 pmHouston Hobby

$1,643

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 8/17

6:10 am-10:35 am

2 stops37h 25m

Brisbane

Tue 9/1

11:35 am-11:56 pm

2 stops27h 21m

$948

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 8/17

6:10 am-10:35 am

2 stops37h 25m

Brisbane

Tue 9/1

11:35 am-8:02 am

3 stops59h 27m

$972

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 8/19

4:30 pm-11:05 am

2 stops27h 35m

Brisbane

Wed 8/26

12:20 pm-4:25 pm

1 stop19h 05m

$1,243

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 8/10

3:30 pm-10:55 am

2 stops28h 25m

Melbourne

Mon 8/17

8:35 am-4:25 pm

1 stop22h 50m

$1,269

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 7/28

6:49 pm-11:50 am

2 stops26h 01m

Sydney Kingsford Smith

Tue 8/4

6:15 am-7:57 pm

2 stops28h 42m

$1,484

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 8/13

3:57 pm-11:50 am

2 stops28h 53m

Sydney Kingsford Smith

Thu 8/20

1:15 pm-11:56 pm

2 stops25h 41m

$1,598

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 10/18

6:19 pm-8:05 am

2 stops21h 46m

Sydney Kingsford Smith

Sun 10/25

1:05 pm-3:58 pm

1 stop18h 53m

$1,631

Quickest round-trip

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 8/19

6:14 pm-6:55 am

1 stop21h 41m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-3:26 pm

1 stop18h 26m

$1,632

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 10/28

6:19 pm-6:30 am

1 stop21h 11m

Brisbane

Wed 1/13

6:30 pm-12:09 pm

2 stops33h 39m

$1,770

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Tue 11/3

4:47 pm-8:20 pm

2 stops34h 33m

Melbourne Avalon

Sat 11/14

6:00 am-4:17 pm

2 stops27h 17m

$1,959

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

What is the cheapest month to fly to Australia?

The month of December is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $71. If you aren’t able to travel during the month of December, then book flights to Australia from Houston during July instead. Flights to Australia in July, while not as cheap as those in December, still average around $113.

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 from Houston 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 $1,350 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 $997 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	269 airports

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

Direct flights go from Houston to Australia every day.

There are 269 airports in Australia. From Houston there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from Houston to Australia

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 June 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 $203	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,050 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $665	Free Cancellation	Rating 8.1 245 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $782	Free Cancellation	Rating 7.1 11,267 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 646 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $831	Free Cancellation	Rating 7.1 11,777 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,898 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.