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 69% 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.

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

Cathay Pacific, Turkish Airlines, and Air Canada are the most popular carriers operating 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 August 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.

$451 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.

4:20 pm - 11:50 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 30m2 stops Ontario Nadi

2:15 pm - 6:25 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

44h 10m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,113Multiple Airlines

Mon, Sep 21 - Mon, Oct 5

10:37 am - 12:50 pmIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

34h 13m3 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles Nadi

6:00 am - 5:10 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 10m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,145Multiple Airlines

Mon, Oct 19 - Mon, Nov 2

4:25 pm - 7:45 amIAH Houston George Bush Intcntl-BNE Brisbane

48h 20m2 stops Edmonton Vancouver Intl

10:45 am - 1:21 pmBNE Brisbane-IAH Houston George Bush Intcntl

42h 36m2 stops Vancouver Intl Edmonton

$1,365Air Canada

Mon, Oct 26 - Tue, Nov 17

4:25 pm - 7:45 amIAH Houston George Bush Intcntl-BNE Brisbane

48h 20m2 stops Edmonton Vancouver Intl

10:45 am - 1:21 pmBNE Brisbane-IAH Houston George Bush Intcntl

42h 36m2 stops Vancouver Intl Edmonton

$1,365Air Canada

Mon, Oct 26 - Tue, Nov 17

12:40 pm - 7:55 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 15m1 stop San Francisco

11:55 am - 3:25 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

19h 30m1 stop Auckland Intl

$1,460Air New Zealand

Tue, Oct 13 - Wed, Oct 21

12:40 pm - 7:55 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 15m1 stop San Francisco

11:55 am - 3:25 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

19h 30m1 stop Auckland Intl

$1,461Air New Zealand

Tue, Oct 13 - Wed, Oct 21

5:02 pm - 6:55 amHOU Houston Hobby-SYD Sydney Kingsford Smith

20h 53m1 stop Dallas/Fort Worth

2:05 pm - 4:31 pmSYD Sydney Kingsford Smith-HOU Houston Hobby

19h 26m1 stop Dallas/Fort Worth

$1,834Qantas Airways

Mon, Dec 28 - Tue, Jan 19

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:15 am - 8:55 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,844United Airlines

Wed, Feb 17 - Wed, Mar 17

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:15 am - 7:55 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,844United Airlines

Mon, Nov 2 - Wed, Nov 18

5:24 pm - 6:25 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 01m1 stop San Francisco

10:10 am - 7:34 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

25h 24m1 stop Los Angeles Los Angeles

$1,845Qantas Airways

Sun, Sep 27 - Mon, Oct 5

Cheap last minute flights

Enter your travel dates to find the best prices.

9:43 am - 7:05 amIAH Houston George Bush Intcntl-BNE Brisbane

30h 22m1 stop Vancouver Intl

10:15 am - 3:37 pmBNE Brisbane-IAH Houston George Bush Intcntl

20h 22m1 stop Vancouver Intl

$1,379Air Canada

Sun, Aug 30 - Tue, Sep 15

7:20 am - 5:00 amIAH Houston George Bush Intcntl-MEL Melbourne

30h 40m2 stops Los Angeles Los Angeles Manila Ninoy Aquino Intl

9:00 am - 11:53 pmMEL Melbourne-IAH Houston George Bush Intcntl

30h 53m2 stops Manila Ninoy Aquino Intl Los Angeles Los Angeles

$1,391Multiple Airlines

Thu, Aug 27 - Wed, Oct 14

11:45 am - 7:05 amIAH Houston George Bush Intcntl-BNE Brisbane

28h 20m2 stops Toronto Pearson Intl Vancouver Intl

8:45 pm - 3:37 pmBNE Brisbane-IAH Houston George Bush Intcntl

33h 52m2 stops Sydney Kingsford Smith Vancouver Intl

$1,409Air Canada

Sun, Aug 30 - Tue, Sep 15

7:20 am - 5:00 amIAH Houston George Bush Intcntl-MEL Melbourne

30h 40m2 stops Los Angeles Los Angeles Manila Ninoy Aquino Intl

9:00 am - 11:53 pmMEL Melbourne-IAH Houston George Bush Intcntl

30h 53m2 stops Manila Ninoy Aquino Intl Los Angeles Los Angeles

$1,440Multiple Airlines

Thu, Aug 27 - Wed, Oct 14

9:55 pm - 8:45 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

19h 50m1 stop Auckland Intl

10:20 am - 8:30 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

25h 10m1 stop San Francisco

$1,618Air New Zealand

Thu, Aug 27 - Tue, Sep 1

9:55 pm - 8:45 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

19h 50m1 stop Auckland Intl

10:20 am - 8:30 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

25h 10m1 stop San Francisco

$1,619Air New Zealand

Thu, Aug 27 - Tue, Sep 1

1:13 pm - 6:50 amHOU Houston Hobby-SYD Sydney Kingsford Smith

26h 37m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles

9:15 am - 10:05 pmSYD Sydney Kingsford Smith-HOU Houston Hobby

27h 50m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$2,132Delta

Thu, Aug 27 - Tue, Sep 1

6:00 am - 6:50 amHOU Houston Hobby-SYD Sydney Kingsford Smith

33h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles

9:15 am - 10:05 pmSYD Sydney Kingsford Smith-HOU Houston Hobby

27h 50m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$2,132Delta

Thu, Aug 27 - Tue, Sep 1

3:57 pm - 5:00 amHOU Houston Hobby-BNE Brisbane

22h 03m2 stops Dallas/Fort Worth Los Angeles Los Angeles

7:30 am - 3:43 pmBNE Brisbane-HOU Houston Hobby

23h 13m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$2,171American Airlines

Sun, Aug 30 - Tue, Sep 15

6:14 pm - 7:05 amHOU Houston Hobby-SYD Sydney Kingsford Smith

21h 51m2 stops Dallas/Fort Worth Los Angeles Los Angeles

12:00 pm - 5:44 pmSYD Sydney Kingsford Smith-HOU Houston Hobby

20h 44m1 stop Dallas/Fort Worth

$2,561American Airlines

Mon, Aug 31 - Sun, Sep 6

Cheap direct flights

Enter your travel dates to find the best prices.

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:15 am - 8:55 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,844United Airlines

Wed, Feb 17 - Wed, Mar 17

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:15 am - 7:55 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,844United Airlines

Mon, Nov 2 - Wed, Nov 18

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:15 am - 7:55 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,844United Airlines

Sun, Nov 1 - Wed, Nov 11

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:20 am - 8:00 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,845United Airlines

Tue, Nov 3 - Tue, Nov 17

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:20 am - 8:00 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,845United Airlines

Sun, Nov 15 - Mon, Nov 30

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:15 am - 7:55 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,845United Airlines

Mon, Nov 16 - Wed, Dec 2

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:15 am - 7:55 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,845United Airlines

Sun, Nov 15 - Wed, Dec 2

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:20 am - 8:00 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$1,845United Airlines

Sun, Nov 15 - Tue, Dec 1

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:20 am - 8:00 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$4,127Lufthansa

Tue, Nov 10 - Tue, Nov 24

8:25 pm - 7:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mnonstop

9:20 am - 9:00 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mnonstop

$4,175Lufthansa

Sun, Feb 14 - Thu, Mar 18

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United Airlines flights from Houston to Australia

Our best United Airlines deals on Houston to Australia flight tickets

United Airlines

Sep 8

IAH8:05 pmHouston George Bush Intcntl

19h 55m

1 stop

SYD7:00 amSydney Kingsford Smith

Sep 11

SYD9:30 amSydney Kingsford Smith

27h 27m

1 stop

IAH9:57 pmHouston George Bush Intcntl

$2,561

United Airlines

Sep 8

IAH4:27 pmHouston George Bush Intcntl

23h 28m

2 stops

SYD6:55 amSydney Kingsford Smith

Sep 11

SYD9:30 amSydney Kingsford Smith

21h 06m

1 stop

IAH3:36 pmHouston George Bush Intcntl

$2,566

Air New Zealand flights from Houston to Australia

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

Air New Zealand

Feb 9

IAH12:00 pmHouston George Bush Intcntl

28h 30m

1 stop

MEL9:30 amMelbourne

Feb 23

MEL12:10 pmMelbourne

19h 05m

1 stop

IAH2:15 pmHouston George Bush Intcntl

$1,464

Air New Zealand

Oct 14

IAH10:12 amHouston George Bush Intcntl

30h 18m

1 stop

MEL8:30 amMelbourne

Oct 21

MEL12:10 pmMelbourne

19h 15m

1 stop

IAH3:25 pmHouston George Bush Intcntl

$1,465

Air New Zealand

Feb 7

IAH9:40 amHouston George Bush Intcntl

30h 50m

1 stop

MEL9:30 amMelbourne

Feb 17

MEL8:15 amMelbourne

29h 09m

2 stops

IAH8:24 pmHouston George Bush Intcntl

$1,467

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 9/21

4:20 pm-11:50 am

2 stops28h 30m

Sydney Kingsford Smith

Mon 10/5

2:15 pm-6:25 pm

3 stops44h 10m

$1,113

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 10/19

10:37 am-12:50 pm

3 stops34h 13m

Sydney Kingsford Smith

Mon 11/2

6:00 am-5:10 am

3 stops40h 10m

$1,145

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Mon 10/26

4:25 pm-7:45 am

2 stops48h 20m

Brisbane

Tue 11/17

10:45 am-1:21 pm

2 stops42h 36m

$1,365

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Mon 10/26

4:25 pm-7:45 am

2 stops48h 20m

Brisbane

Tue 11/17

10:45 am-1:21 pm

2 stops42h 36m

$1,365

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 10/13

12:40 pm-7:55 am

1 stop27h 15m

Sydney Kingsford Smith

Wed 10/21

11:55 am-3:25 pm

1 stop19h 30m

$1,460

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 10/13

12:40 pm-7:55 am

1 stop27h 15m

Sydney Kingsford Smith

Wed 10/21

11:55 am-3:25 pm

1 stop19h 30m

$1,461

HoustonSydney

HOU Houston Hobby - SYD Sydney Kingsford Smith

HOUSYD

Houston Hobby

Mon 12/28

5:02 pm-6:55 am

1 stop20h 53m

Sydney Kingsford Smith

Tue 1/19

2:05 pm-4:31 pm

1 stop19h 26m

$1,834

Quickest round-trip

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 2/17

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Wed 3/17

9:15 am-8:55 am

Nonstop15h 40m

$1,844

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 11/2

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Wed 11/18

9:15 am-7:55 am

Nonstop15h 40m

$1,844

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 9/27

5:24 pm-6:25 am

1 stop22h 01m

Sydney Kingsford Smith

Mon 10/5

10:10 am-7:34 pm

1 stop25h 24m

$1,845

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 November is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $1,177. If you aren’t able to travel during the month of November, then book flights to Australia from Houston during May instead. Flights to Australia in May, while not as cheap as those in November, still average around $1,279.

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 $1,469 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

Best Price Found	$451
Fastest flight time	17h 35m
Direct flights	Every day
Airports in Australia	269 airports

The best one-way flight to Australia from Houston in the past 72 hours is $451. The best round-trip flight deal from Houston to Australia found on momondo in the last 72 hours is $1,113.

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 August 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 8,529 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,085 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $665	Free Cancellation	Rating 8.0 256 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $782	Free Cancellation	Rating 7.1 11,539 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $818	Free Cancellation	Rating 8.0 664 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $833	Free Cancellation	Rating 7.1 11,995 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 10,124 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.