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

Delta, Qantas Airways, and Cathay Pacific 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 May 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.

$541 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.

6:39 pm - 7:05 am

HOU

SYD

21h 26m

2 stops

9:10 am - 3:45 pm

SYD

HOU

21h 35m

2 stops

$1,002American Airlines

Sun, May 24 - Sun, Jun 7

5:35 pm - 7:05 am

IAH

SYD

22h 30m

2 stops

9:10 am - 7:42 pm

SYD

IAH

25h 32m

1 stop

$1,002American Airlines

Sun, May 24 - Sun, Jun 7

4:14 pm - 6:50 am

IAH

SYD

23h 36m

1 stop

9:15 am - 3:09 pm

SYD

IAH

20h 54m

1 stop

$1,010Delta

Wed, Jul 29 - Wed, Aug 5

12:50 pm - 6:50 am

HOU

SYD

27h 00m

2 stops

9:15 am - 10:46 pm

SYD

HOU

28h 31m

2 stops

$1,015Delta

Wed, Jul 29 - Wed, Aug 5

9:55 pm - 10:55 am

IAH

MEL

22h 00m

1 stop

8:35 am - 11:14 pm

MEL

IAH

29h 39m

2 stops

$1,461Air New Zealand

Mon, Jun 15 - Tue, Jul 14

9:55 pm - 10:55 am

IAH

MEL

22h 00m

1 stop

8:35 am - 8:49 pm

MEL

IAH

27h 14m

2 stops

$1,462Air New Zealand

Mon, Jun 15 - Tue, Jul 14

12:40 pm - 7:05 am

IAH

BNE

27h 25m

2 stops

10:00 am - 3:44 pm

BNE

IAH

20h 44m

1 stop

$1,523Air Canada

Tue, May 19 - Wed, May 27

12:40 pm - 7:05 am

IAH

BNE

27h 25m

2 stops

10:15 am - 3:44 pm

BNE

IAH

20h 29m

1 stop

$1,561Air Canada

Tue, May 19 - Thu, May 28

8:19 pm - 2:20 pm

IAH

AVV

51h 01m

2 stops

4:40 pm - 3:24 pm

AVV

IAH

37h 44m

2 stops

$2,105Qantas Airways

Tue, Sep 1 - Sat, Sep 19

8:19 pm - 2:10 pm

IAH

AVV

26h 51m

2 stops

6:00 am - 3:20 pm

AVV

IAH

24h 20m

2 stops

$2,107Qantas Airways

Mon, Aug 10 - Mon, Aug 17

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

Aug 24

IAH8:19 pmHouston George Bush Intcntl

19h 46m

1 stop

SYD7:05 amSydney Kingsford Smith

Sep 7

SYD9:10 amSydney Kingsford Smith

25h 36m

1 stop

IAH7:46 pmHouston George Bush Intcntl

$1,206

Qantas Airways

Aug 4

IAH4:18 pmHouston George Bush Intcntl

23h 47m

2 stops

SYD7:05 amSydney Kingsford Smith

Aug 9

SYD9:10 amSydney Kingsford Smith

23h 54m

2 stops

IAH6:04 pmHouston George Bush Intcntl

$1,210

Qantas Airways

May 20

HOU12:42 pmHouston Hobby

27h 23m

2 stops

SYD7:05 amSydney Kingsford Smith

Nov 2

SYD11:15 amSydney Kingsford Smith

29h 42m

2 stops

HOU11:57 pmHouston Hobby

$1,213

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

May 24

HOU6:39 pmHouston Hobby

21h 26m

2 stops

SYD7:05 amSydney Kingsford Smith

Jun 7

SYD9:10 amSydney Kingsford Smith

21h 35m

2 stops

HOU3:45 pmHouston Hobby

$1,002

American Airlines

Jul 26

IAH8:09 pmHouston George Bush Intcntl

19h 56m

1 stop

SYD7:05 amSydney Kingsford Smith

Aug 5

SYD9:10 amSydney Kingsford Smith

25h 36m

1 stop

IAH7:46 pmHouston George Bush Intcntl

$1,006

American Airlines

Jul 5

IAH8:09 pmHouston George Bush Intcntl

19h 56m

1 stop

SYD7:05 amSydney Kingsford Smith

Jul 27

SYD9:10 amSydney Kingsford Smith

25h 28m

1 stop

IAH7:38 pmHouston George Bush Intcntl

$1,007

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 5/24

6:39 pm-7:05 am

2 stops21h 26m

Sydney Kingsford Smith

Sun 6/7

9:10 am-3:45 pm

2 stops21h 35m

$1,002

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 5/24

5:35 pm-7:05 am

2 stops22h 30m

Sydney Kingsford Smith

Sun 6/7

9:10 am-7:42 pm

1 stop25h 32m

$1,002

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 7/29

4:14 pm-6:50 am

1 stop23h 36m

Sydney Kingsford Smith

Wed 8/5

9:15 am-3:09 pm

1 stop20h 54m

$1,010

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 7/29

12:50 pm-6:50 am

2 stops27h 00m

Sydney Kingsford Smith

Wed 8/5

9:15 am-10:46 pm

2 stops28h 31m

$1,015

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 6/15

9:55 pm-10:55 am

1 stop22h 00m

Melbourne

Tue 7/14

8:35 am-11:14 pm

2 stops29h 39m

$1,461

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 6/15

9:55 pm-10:55 am

1 stop22h 00m

Melbourne

Tue 7/14

8:35 am-8:49 pm

2 stops27h 14m

$1,462

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 5/19

12:40 pm-7:05 am

2 stops27h 25m

Brisbane

Wed 5/27

10:00 am-3:44 pm

1 stop20h 44m

$1,523

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 5/19

12:40 pm-7:05 am

2 stops27h 25m

Brisbane

Thu 5/28

10:15 am-3:44 pm

1 stop20h 29m

$1,561

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Tue 9/1

8:19 pm-2:20 pm

2 stops51h 01m

Melbourne Avalon

Sat 9/19

4:40 pm-3:24 pm

2 stops37h 44m

$2,105

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Mon 8/10

8:19 pm-2:10 pm

2 stops26h 51m

Melbourne Avalon

Mon 8/17

6:00 am-3:20 pm

2 stops24h 20m

$2,107

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 $1,345 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 $971 on momondo.

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	Mon, Wed, Fri and Sun
Airports in Australia	269 airports

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

Direct flights go from Houston to Australia on Monday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.

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 May 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 7.9 8,457 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,033 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $702	Free Cancellation	Rating 8.1 240 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $750	Free Cancellation	Rating 7.1 11,008 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 640 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $831	Free Cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,692 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.