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

American Airlines, Delta, and Qantas Airways 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.

$623 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.

7:42 pm - 7:20 pm

IAH

MEL

32h 38m

2 stops

7:30 am - 7:54 pm

MEL

IAH

27h 24m

2 stops

$1,193Multiple Airlines

Thu, Jun 25 - Sat, Jul 4

6:30 am - 11:50 am

IAH

SYD

38h 20m

3 stops

1:15 pm - 11:56 pm

SYD

IAH

25h 41m

2 stops

$1,265Multiple Airlines

Mon, Jun 22 - Sun, Jul 5

6:10 am - 11:50 am

IAH

SYD

38h 40m

2 stops

1:15 pm - 11:56 pm

SYD

IAH

25h 41m

2 stops

$1,280Multiple Airlines

Mon, Jun 22 - Sun, Jul 5

5:25 pm - 7:05 am

IAH

BNE

22h 40m

1 stop

10:00 am - 4:30 pm

BNE

IAH

21h 30m

1 stop

$1,428Air Canada

Mon, Jun 22 - Wed, Jul 8

9:55 pm - 11:05 am

IAH

BNE

22h 10m

1 stop

9:40 am - 4:25 pm

BNE

IAH

21h 45m

1 stop

$1,459Air New Zealand

Wed, Sep 9 - Wed, Sep 23

3:58 pm - 11:50 am

HOU

SYD

28h 52m

2 stops

1:15 pm - 7:51 pm

SYD

HOU

21h 36m

2 stops

$1,483Fiji Airways

Thu, Aug 13 - Tue, Aug 25

12:10 pm - 11:05 am

IAH

BNE

31h 55m

2 stops

9:40 am - 4:25 pm

BNE

IAH

21h 45m

1 stop

$1,491Air New Zealand

Wed, Sep 9 - Wed, Sep 23

5:20 pm - 7:05 am

IAH

BNE

22h 45m

1 stop

10:00 am - 4:30 pm

BNE

IAH

21h 30m

1 stop

$1,508Air Canada

Tue, Jun 16 - Wed, Jul 8

4:15 pm - 5:00 am

HOU

MEL

20h 45m

1 stop

12:00 pm - 3:54 pm

MEL

HOU

20h 54m

1 stop

$1,833American Airlines

Wed, Oct 21 - Sun, Nov 15

9:32 am - 5:00 am

HOU

MEL

28h 28m

1 stop

1:35 pm - 5:44 pm

MEL

HOU

19h 09m

1 stop

$1,841American Airlines

Mon, Aug 10 - Mon, Aug 17

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

Oct 21

HOU4:15 pmHouston Hobby

20h 45m

1 stop

MEL5:00 amMelbourne

Nov 15

MEL12:00 pmMelbourne

20h 54m

1 stop

HOU3:54 pmHouston Hobby

$1,833

American Airlines

Aug 10

HOU9:32 amHouston Hobby

28h 28m

1 stop

MEL5:00 amMelbourne

Aug 17

MEL1:35 pmMelbourne

19h 09m

1 stop

HOU5:44 pmHouston Hobby

$1,841

American Airlines

Oct 21

HOU4:15 pmHouston Hobby

20h 45m

1 stop

MEL5:00 amMelbourne

Nov 15

MEL12:00 pmMelbourne

22h 52m

1 stop

HOU5:52 pmHouston Hobby

$1,843

Air New Zealand flights from Houston to Australia

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

Air New Zealand

Sep 2

IAH6:05 pmHouston George Bush Intcntl

21h 50m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 21

SYD11:55 amSydney Kingsford Smith

19h 30m

1 stop

IAH4:25 pmHouston George Bush Intcntl

$1,434

Air New Zealand

Sep 6

IAH6:05 pmHouston George Bush Intcntl

25h 35m

2 stops

SYD10:40 amSydney Kingsford Smith

Sep 20

SYD10:20 amSydney Kingsford Smith

29h 08m

1 stop

IAH12:28 amHouston George Bush Intcntl

$1,443

Air New Zealand

Jul 29

IAH7:50 pmHouston George Bush Intcntl

20h 40m

1 stop

MEL7:30 amMelbourne

Aug 26

MEL12:10 pmMelbourne

19h 15m

1 stop

IAH4:25 pmHouston George Bush Intcntl

$1,447

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Thu 6/25

7:42 pm-7:20 pm

2 stops32h 38m

Melbourne

Sat 7/4

7:30 am-7:54 pm

2 stops27h 24m

$1,193

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 6/22

6:30 am-11:50 am

3 stops38h 20m

Sydney Kingsford Smith

Sun 7/5

1:15 pm-11:56 pm

2 stops25h 41m

$1,265

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 6/22

6:10 am-11:50 am

2 stops38h 40m

Sydney Kingsford Smith

Sun 7/5

1:15 pm-11:56 pm

2 stops25h 41m

$1,280

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 6/22

5:25 pm-7:05 am

1 stop22h 40m

Brisbane

Wed 7/8

10:00 am-4:30 pm

1 stop21h 30m

$1,428

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 9/9

9:55 pm-11:05 am

1 stop22h 10m

Brisbane

Wed 9/23

9:40 am-4:25 pm

1 stop21h 45m

$1,459

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 8/13

3:58 pm-11:50 am

2 stops28h 52m

Sydney Kingsford Smith

Tue 8/25

1:15 pm-7:51 pm

2 stops21h 36m

$1,483

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 9/9

12:10 pm-11:05 am

2 stops31h 55m

Brisbane

Wed 9/23

9:40 am-4:25 pm

1 stop21h 45m

$1,491

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 6/16

5:20 pm-7:05 am

1 stop22h 45m

Brisbane

Wed 7/8

10:00 am-4:30 pm

1 stop21h 30m

$1,508

Quickest round-trip

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 10/21

4:15 pm-5:00 am

1 stop20h 45m

Melbourne

Sun 11/15

12:00 pm-3:54 pm

1 stop20h 54m

$1,833

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Mon 8/10

9:32 am-5:00 am

1 stop28h 28m

Melbourne

Mon 8/17

1:35 pm-5:44 pm

1 stop19h 09m

$1,841

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 $1,349 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.

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	Mon, Tue, Thu, Fri and Sat
Airports in Australia	269 airports

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

Direct flights go from Houston to Australia on Monday, Tuesday, Thursday, Friday and Saturday. 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 8,425 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,043 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $665	Free Cancellation	Rating 8.1 243 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $750	Free Cancellation	Rating 7.1 11,092 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 648 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $831	Free Cancellation	Rating 7.1 11,639 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,751 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.