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?

American Airlines, Delta, and Qantas Airways 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.

$578 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.

6:25 am - 11:50 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 25m3 stops Denver Intl Ontario Nadi

1:15 pm - 6:02 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

31h 47m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,020Multiple Airlines

Wed, Sep 16 - Thu, Sep 24

6:25 am - 11:50 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 25m3 stops Denver Intl Los Angeles Los Angeles Nadi

1:15 pm - 11:23 amSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 08m3 stops Nadi Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,108Multiple Airlines

Mon, Sep 14 - Wed, Sep 23

2:12 pm - 9:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

25h 48m1 stop Los Angeles Los Angeles

5:50 pm - 1:17 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

36h 27m2 stops Auckland Intl Dallas/Fort Worth

$1,283Qantas Airways

Sun, Jan 24 - Sat, Feb 6

3:19 pm - 9:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 41m1 stop Los Angeles Los Angeles

7:15 pm - 1:26 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

35h 11m2 stops Auckland Intl Dallas/Fort Worth

$1,312Qantas Airways

Tue, Nov 3 - Mon, Nov 9

9:30 am - 7:05 amIAH Houston George Bush Intcntl-BNE Brisbane

30h 35m2 stops Calgary Vancouver Intl

10:00 am - 6:42 pmBNE Brisbane-IAH Houston George Bush Intcntl

23h 42m1 stop Vancouver Intl

$1,380Air Canada

Wed, Sep 16 - Wed, Sep 23

4:45 pm - 7:05 amIAH Houston George Bush Intcntl-BNE Brisbane

23h 20m1 stop Vancouver Intl

10:00 am - 3:37 pmBNE Brisbane-IAH Houston George Bush Intcntl

20h 37m1 stop Vancouver Intl

$1,381Air Canada

Wed, Sep 16 - Wed, Sep 23

4:30 pm - 8:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 30m1 stop Los Angeles Los Angeles

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

19h 30m1 stop Auckland Intl

$1,459Air New Zealand

Mon, Oct 5 - Mon, Oct 19

2:53 pm - 8:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

25h 07m1 stop Los Angeles Los Angeles

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

19h 30m1 stop Auckland Intl

$1,459Air New Zealand

Tue, Oct 6 - Tue, Oct 13

9:25 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

$1,844United Airlines

Sun, Oct 25 - Mon, Nov 16

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 16 - Sun, Nov 29

Cheap last minute flights

Enter your travel dates to find the best prices.

4:02 pm - 7:30 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 28m1 stop Los Angeles Los Angeles

9:10 am - 4:47 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

22h 37m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

$1,383Multiple Airlines

Wed, Aug 26 - Thu, Sep 10

4:02 pm - 7:30 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 28m1 stop Los Angeles Los Angeles

9:10 am - 11:58 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

29h 48m1 stop Los Angeles Los Angeles

$1,429Multiple Airlines

Wed, Aug 26 - Thu, Sep 10

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

19h 50m1 stop Auckland Intl

9:30 am - 9:57 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

27h 27m1 stop Los Angeles Los Angeles

$1,551Air New Zealand

Mon, Aug 24 - Mon, Aug 31

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

19h 50m1 stop Auckland Intl

10:20 am - 4:56 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 36m1 stop San Francisco

$1,571Air New Zealand

Mon, Aug 24 - Mon, Aug 31

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 - 9:23 pmSYD Sydney Kingsford Smith-HOU Houston Hobby

27h 08m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$2,081Delta

Sun, Aug 23 - Sun, Sep 6

10:50 am - 6:50 amHOU Houston Hobby-SYD Sydney Kingsford Smith

29h 00m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles

9:15 am - 9:50 amSYD Sydney Kingsford Smith-HOU Houston Hobby

39h 35m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$2,081Delta

Mon, Aug 24 - Mon, Aug 31

6:14 pm - 10:15 amHOU Houston Hobby-MEL Melbourne

25h 01m2 stops Dallas/Fort Worth Sydney Kingsford Smith

1:35 pm - 5:44 pmMEL Melbourne-HOU Houston Hobby

19h 09m1 stop Dallas/Fort Worth

$2,829American Airlines

Tue, Aug 25 - Mon, Aug 31

3:57 pm - 9:05 amHOU Houston Hobby-SYD Sydney Kingsford Smith

26h 08m2 stops Dallas/Fort Worth Melbourne

12:00 pm - 3:26 pmSYD Sydney Kingsford Smith-HOU Houston Hobby

18h 26m1 stop Dallas/Fort Worth

$2,907Qantas Airways

Sat, Aug 22 - Sun, Aug 30

9:32 am - 6:55 amHOU Houston Hobby-SYD Sydney Kingsford Smith

30h 23m1 stop Dallas/Fort Worth

10:30 am - 5:44 pmSYD Sydney Kingsford Smith-HOU Houston Hobby

22h 14m2 stops Melbourne Dallas/Fort Worth

$2,937Qantas Airways

Mon, Aug 24 - Mon, Aug 31

8:14 pm - 6:55 amHOU Houston Hobby-SYD Sydney Kingsford Smith

19h 41m1 stop Dallas/Fort Worth

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

20h 44m1 stop Dallas/Fort Worth

$23,084American Airlines

Sun, Aug 23 - Mon, Aug 31

Cheap direct flights

Enter your travel dates to find the best prices.

9:25 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

$1,844United Airlines

Sun, Oct 25 - Mon, Nov 16

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 16 - Sun, Nov 29

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

$1,844United Airlines

Tue, Nov 3 - Tue, Nov 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

Sun, Nov 22 - Sun, Nov 29

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

$1,844United Airlines

Sun, Nov 1 - Mon, Nov 9

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

$1,844United Airlines

Tue, Jan 19 - Tue, Jan 26

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

$4,175Lufthansa

Tue, Feb 9 - Sat, Feb 27

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

$4,175Lufthansa

Tue, Nov 17 - Sat, Nov 28

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

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

$8,196Lufthansa

Sun, Dec 13 - Sun, Jan 17

Save money when you book flights with momondo

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Delta flights from Houston to Australia

Our best Delta deals on Houston to Australia flight tickets

Delta

Oct 12

HOU6:09 amHouston Hobby

33h 41m

2 stops

SYD7:50 amSydney Kingsford Smith

Oct 25

SYD10:15 amSydney Kingsford Smith

28h 48m

2 stops

HOU11:03 pmHouston Hobby

$1,863

Delta

Oct 12

HOU6:09 amHouston Hobby

33h 41m

2 stops

SYD7:50 amSydney Kingsford Smith

Oct 25

SYD10:15 amSydney Kingsford Smith

39h 53m

2 stops

HOU10:08 amHouston Hobby

$1,864

Delta

Oct 28

HOU6:09 amHouston Hobby

34h 21m

2 stops

BNE7:30 amBrisbane

Jan 13

BNE10:40 amBrisbane

38h 46m

2 stops

HOU9:26 amHouston Hobby

$1,868

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

Jan 24

IAH2:12 pmHouston George Bush Intcntl

25h 48m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 6

SYD5:50 pmSydney Kingsford Smith

36h 27m

2 stops

IAH1:17 pmHouston George Bush Intcntl

$1,283

Qantas Airways

Jan 27

IAH2:12 pmHouston George Bush Intcntl

25h 48m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 19

SYD8:55 amSydney Kingsford Smith

27h 04m

2 stops

IAH6:59 pmHouston George Bush Intcntl

$1,314

Qantas Airways

Oct 24

IAH8:04 pmHouston George Bush Intcntl

42h 21m

1 stop

SYD6:25 amSydney Kingsford Smith

Nov 20

SYD7:15 pmSydney Kingsford Smith

35h 06m

2 stops

IAH1:21 pmHouston George Bush Intcntl

$1,351

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

Wed 9/16

6:25 am-11:50 am

3 stops38h 25m

Sydney Kingsford Smith

Thu 9/24

1:15 pm-6:02 am

3 stops31h 47m

$1,020

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 9/14

6:25 am-11:50 am

3 stops38h 25m

Sydney Kingsford Smith

Wed 9/23

1:15 pm-11:23 am

3 stops37h 08m

$1,108

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 1/24

2:12 pm-9:00 am

1 stop25h 48m

Sydney Kingsford Smith

Sat 2/6

5:50 pm-1:17 pm

2 stops36h 27m

$1,283

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 11/3

3:19 pm-9:00 am

1 stop24h 41m

Sydney Kingsford Smith

Mon 11/9

7:15 pm-1:26 pm

2 stops35h 11m

$1,312

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Wed 9/16

9:30 am-7:05 am

2 stops30h 35m

Brisbane

Wed 9/23

10:00 am-6:42 pm

1 stop23h 42m

$1,380

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Wed 9/16

4:45 pm-7:05 am

1 stop23h 20m

Brisbane

Wed 9/23

10:00 am-3:37 pm

1 stop20h 37m

$1,381

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 10/5

4:30 pm-8:00 am

1 stop23h 30m

Sydney Kingsford Smith

Mon 10/19

11:55 am-3:25 pm

1 stop19h 30m

$1,459

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 10/6

2:53 pm-8:00 am

1 stop25h 07m

Sydney Kingsford Smith

Tue 10/13

11:55 am-3:25 pm

1 stop19h 30m

$1,459

Quickest round-trip

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 10/25

9:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Mon 11/16

9:20 am-8:00 am

Nonstop15h 40m

$1,844

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 11/16

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Sun 11/29

9:15 am-7:55 am

Nonstop15h 40m

$1,844

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 $1,154. 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 $1,215.

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 $1,466 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	$578
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 $578. The best round-trip flight deal from Houston to Australia found on momondo in the last 72 hours is $1,020.

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 8,510 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,083 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $665	Free Cancellation	Rating 8.0 254 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $782	Free Cancellation	Rating 7.1 11,508 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $818	Free Cancellation	Rating 8.0 663 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $833	Free Cancellation	Rating 7.1 11,977 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 10,104 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.