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

Delta, American Airlines, and Air New Zealand 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 65% 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 April 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.

$517 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.

5:30 am - 11:50 am

IAH

SYD

39h 20m

2 stops

6:00 am - 1:25 am

SYD

IAH

34h 25m

2 stops

$958Multiple Airlines

Sun, May 24 - Tue, Jun 2

6:00 am - 11:50 am

IAH

SYD

38h 50m

2 stops

1:15 pm - 1:25 am

SYD

IAH

27h 10m

2 stops

$1,031Multiple Airlines

Sun, May 10 - Sun, May 24

2:48 pm - 7:30 am

IAH

MEL

25h 42m

1 stop

8:35 am - 3:25 pm

MEL

IAH

22h 50m

1 stop

$1,458Air New Zealand

Wed, Sep 23 - Mon, Oct 5

11:55 am - 7:30 am

IAH

MEL

28h 35m

1 stop

8:35 am - 8:39 pm

MEL

IAH

28h 04m

2 stops

$1,461Air New Zealand

Wed, Sep 23 - Mon, Oct 5

3:58 pm - 11:50 am

HOU

SYD

28h 52m

2 stops

1:15 pm - 11:53 pm

SYD

HOU

25h 38m

2 stops

$1,501Fiji Airways

Tue, Sep 1 - Tue, Sep 15

6:38 pm - 11:50 am

HOU

SYD

26h 12m

2 stops

1:15 pm - 7:51 pm

SYD

HOU

21h 36m

2 stops

$1,502Fiji Airways

Sat, Aug 1 - Sat, Aug 15

6:39 pm - 7:05 am

HOU

SYD

21h 26m

2 stops

9:10 am - 3:45 pm

SYD

HOU

21h 35m

2 stops

$1,842American Airlines

Mon, Jun 15 - Mon, Jun 29

6:39 pm - 7:05 am

HOU

SYD

21h 26m

2 stops

9:10 am - 3:45 pm

SYD

HOU

21h 35m

2 stops

$1,844American Airlines

Mon, Jun 15 - Mon, Jun 29

6:50 pm - 2:10 pm

IAH

AVV

27h 20m

2 stops

6:00 am - 3:24 pm

AVV

IAH

25h 24m

2 stops

$2,099Qantas Airways

Sun, Oct 4 - Sun, Oct 18

6:19 pm - 2:10 pm

HOU

AVV

27h 51m

2 stops

6:00 am - 3:58 pm

AVV

HOU

25h 58m

2 stops

$2,099Qantas Airways

Sun, Oct 4 - Sun, Oct 18

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

Jun 15

HOU6:39 pmHouston Hobby

21h 26m

2 stops

SYD7:05 amSydney Kingsford Smith

Jun 29

SYD9:10 amSydney Kingsford Smith

21h 35m

2 stops

HOU3:45 pmHouston Hobby

$1,842

American Airlines

Jun 15

HOU6:39 pmHouston Hobby

21h 26m

2 stops

SYD7:05 amSydney Kingsford Smith

Jun 29

SYD9:10 amSydney Kingsford Smith

21h 35m

2 stops

HOU3:45 pmHouston Hobby

$1,844

American Airlines

Jun 24

HOU12:50 pmHouston Hobby

25h 10m

1 stop

MEL5:00 amMelbourne

Jul 8

MEL9:45 amMelbourne

23h 23m

2 stops

HOU6:08 pmHouston Hobby

$1,846

Delta flights from Houston to Australia

Our best Delta deals on Houston to Australia flight tickets

Delta

Jun 15

HOU12:58 pmHouston Hobby

26h 52m

2 stops

SYD6:50 amSydney Kingsford Smith

Jun 29

SYD9:15 amSydney Kingsford Smith

27h 38m

2 stops

HOU9:53 pmHouston Hobby

$1,845

Delta

Jun 15

HOU1:10 pmHouston Hobby

26h 40m

2 stops

SYD6:50 amSydney Kingsford Smith

Jun 29

SYD9:15 amSydney Kingsford Smith

38h 59m

2 stops

HOU9:14 amHouston Hobby

$1,864

Delta

Jun 14

HOU10:09 amHouston Hobby

29h 41m

2 stops

SYD6:50 amSydney Kingsford Smith

Jun 29

SYD9:15 amSydney Kingsford Smith

27h 38m

2 stops

HOU9:53 pmHouston Hobby

$1,865

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 5/24

5:30 am-11:50 am

2 stops39h 20m

Sydney Kingsford Smith

Tue 6/2

6:00 am-1:25 am

2 stops34h 25m

$958

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 5/10

6:00 am-11:50 am

2 stops38h 50m

Sydney Kingsford Smith

Sun 5/24

1:15 pm-1:25 am

2 stops27h 10m

$1,031

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 9/23

2:48 pm-7:30 am

1 stop25h 42m

Melbourne

Mon 10/5

8:35 am-3:25 pm

1 stop22h 50m

$1,458

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 9/23

11:55 am-7:30 am

1 stop28h 35m

Melbourne

Mon 10/5

8:35 am-8:39 pm

2 stops28h 04m

$1,461

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 9/1

3:58 pm-11:50 am

2 stops28h 52m

Sydney Kingsford Smith

Tue 9/15

1:15 pm-11:53 pm

2 stops25h 38m

$1,501

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 8/1

6:38 pm-11:50 am

2 stops26h 12m

Sydney Kingsford Smith

Sat 8/15

1:15 pm-7:51 pm

2 stops21h 36m

$1,502

Quickest round-trip

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 6/15

6:39 pm-7:05 am

2 stops21h 26m

Sydney Kingsford Smith

Mon 6/29

9:10 am-3:45 pm

2 stops21h 35m

$1,842

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 6/15

6:39 pm-7:05 am

2 stops21h 26m

Sydney Kingsford Smith

Mon 6/29

9:10 am-3:45 pm

2 stops21h 35m

$1,844

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Sun 10/4

6:50 pm-2:10 pm

2 stops27h 20m

Melbourne Avalon

Sun 10/18

6:00 am-3:24 pm

2 stops25h 24m

$2,099

HoustonMelbourne

HOU - AVV

HOUAVV

Houston Hobby

Sun 10/4

6:19 pm-2:10 pm

2 stops27h 51m

Melbourne Avalon

Sun 10/18

6:00 am-3:58 pm

2 stops25h 58m

$2,099

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 $1,356 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 30m
Direct flights	Sun
Airports in Australia	269 airports

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

Direct flights go from Houston to Australia on 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 April 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 8,463 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,028 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $714	Free Cancellation	Rating 8.1 240 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $750	Free Cancellation	Rating 7.1 10,974 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 638 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $831	Free Cancellation	Rating 7.1 11,671 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,672 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.