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 July 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.

$607 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.

4:02 pm - 11:50 am

IAH

SYD

28h 48m

2 stops

1:15 pm - 11:56 am

SYD

IAH

37h 41m

3 stops

$1,086Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

4:02 pm - 11:50 am

IAH

SYD

28h 48m

2 stops

1:15 pm - 11:56 pm

SYD

IAH

25h 41m

2 stops

$1,087Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

4:02 pm - 11:50 am

IAH

SYD

28h 48m

2 stops

1:15 pm - 11:56 am

SYD

IAH

37h 41m

3 stops

$1,133Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

9:32 am - 10:40 pm

HOU

PER

48h 08m

2 stops

12:10 am - 11:56 pm

PER

HOU

36h 46m

2 stops

$1,754Cathay Pacific

Fri, Aug 21 - Wed, Aug 26

6:22 pm - 10:55 pm

HOU

PER

38h 33m

2 stops

12:25 am - 11:57 pm

PER

HOU

37h 32m

2 stops

$1,766Cathay Pacific

Tue, Nov 17 - Mon, Nov 23

12:15 pm - 5:15 pm

HOU

BNE

37h 00m

2 stops

9:40 am - 3:54 pm

BNE

HOU

22h 14m

1 stop

$1,793Qantas Airways

Sun, Nov 1 - Tue, Dec 1

5:06 pm - 6:55 am

HOU

SYD

21h 49m

1 stop

7:05 am - 1:33 pm

SYD

HOU

22h 28m

2 stops

$1,797Qantas Airways

Tue, Oct 6 - Tue, Oct 27

3:57 pm - 10:40 am

HOU

BNE

27h 43m

2 stops

11:55 am - 11:56 pm

BNE

HOU

27h 01m

2 stops

$1,800Fiji Airways

Thu, Aug 6 - Thu, Aug 13

4:18 pm - 6:45 am

HOU

MEL

23h 27m

2 stops

2:35 pm - 11:49 pm

MEL

HOU

25h 14m

1 stop

$1,843American Airlines

Wed, Sep 16 - Wed, Oct 21

8:14 pm - 6:55 am

HOU

SYD

19h 41m

1 stop

9:10 am - 3:43 pm

SYD

HOU

21h 33m

2 stops

$1,847American Airlines

Sun, Aug 30 - Mon, Sep 14

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Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

Nov 1

HOU12:15 pmHouston Hobby

37h 00m

2 stops

BNE5:15 pmBrisbane

Dec 1

BNE9:40 amBrisbane

22h 14m

1 stop

HOU3:54 pmHouston Hobby

$1,793

Qantas Airways

Oct 6

HOU5:06 pmHouston Hobby

21h 49m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 27

SYD7:05 amSydney Kingsford Smith

22h 28m

2 stops

HOU1:33 pmHouston Hobby

$1,797

Qantas Airways

Oct 21

HOU2:08 pmHouston Hobby

22h 52m

1 stop

MEL5:00 amMelbourne

Nov 3

MEL12:00 pmMelbourne

20h 54m

1 stop

HOU3:54 pmHouston Hobby

$1,814

Delta flights from Houston to Australia

Our best Delta deals on Houston to Australia flight tickets

Delta

Aug 23

HOU1:13 pmHouston Hobby

26h 37m

2 stops

SYD6:50 amSydney Kingsford Smith

Sep 7

SYD9:15 amSydney Kingsford Smith

39h 51m

2 stops

HOU10:06 amHouston Hobby

$1,860

Delta

Nov 16

HOU6:00 amHouston Hobby

33h 30m

2 stops

SYD8:30 amSydney Kingsford Smith

Nov 30

SYD10:40 amSydney Kingsford Smith

39h 46m

2 stops

HOU9:26 amHouston Hobby

$1,861

Delta

Oct 28

HOU6:00 amHouston Hobby

34h 20m

2 stops

BNE7:20 amBrisbane

Jan 13

BNE10:40 amBrisbane

27h 03m

2 stops

HOU9:43 pmHouston Hobby

$1,889

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 8/18

4:02 pm-11:50 am

2 stops28h 48m

Sydney Kingsford Smith

Tue 8/25

1:15 pm-11:56 am

3 stops37h 41m

$1,086

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 8/18

4:02 pm-11:50 am

2 stops28h 48m

Sydney Kingsford Smith

Tue 8/25

1:15 pm-11:56 pm

2 stops25h 41m

$1,087

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 8/18

4:02 pm-11:50 am

2 stops28h 48m

Sydney Kingsford Smith

Tue 8/25

1:15 pm-11:56 am

3 stops37h 41m

$1,133

HoustonPerth

HOU - PER

HOUPER

Houston Hobby

Fri 8/21

9:32 am-10:40 pm

2 stops48h 08m

Perth

Wed 8/26

12:10 am-11:56 pm

2 stops36h 46m

$1,754

HoustonPerth

HOU - PER

HOUPER

Houston Hobby

Tue 11/17

6:22 pm-10:55 pm

2 stops38h 33m

Perth

Mon 11/23

12:25 am-11:57 pm

2 stops37h 32m

$1,766

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sun 11/1

12:15 pm-5:15 pm

2 stops37h 00m

Brisbane

Tue 12/1

9:40 am-3:54 pm

1 stop22h 14m

$1,793

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 10/6

5:06 pm-6:55 am

1 stop21h 49m

Sydney Kingsford Smith

Tue 10/27

7:05 am-1:33 pm

2 stops22h 28m

$1,797

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Thu 8/6

3:57 pm-10:40 am

2 stops27h 43m

Brisbane

Thu 8/13

11:55 am-11:56 pm

2 stops27h 01m

$1,800

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 9/16

4:18 pm-6:45 am

2 stops23h 27m

Melbourne

Wed 10/21

2:35 pm-11:49 pm

1 stop25h 14m

$1,843

Quickest round-trip

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 8/30

8:14 pm-6:55 am

1 stop19h 41m

Sydney Kingsford Smith

Mon 9/14

9:10 am-3:43 pm

2 stops21h 33m

$1,847

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 March instead. Flights to Australia in March, while not as cheap as those in December, still average around $137.

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 $1,409 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 $1,011 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 July 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 8,452 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,057 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $665	Free Cancellation	Rating 8.1 246 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $782	Free Cancellation	Rating 7.1 11,320 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 649 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $831	Free Cancellation	Rating 7.1 11,785 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,945 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.