How many flights depart from Houston to Australia on average per week?

The number of flights available between Houston and Australia is 21 per week as of November 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What airlines fly to Australia?

Air New Zealand, United Airlines and Delta 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 68% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 6 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Houston to Australia on average per day?

As of November 2026, there are 3 flights per day flying from Houston to Australia. The most common time of day flights depart is 9:00PM, with 100% of flights taking off in the evening.

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

Cathay Pacific, Turkish Airlines, 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 November 2026, there are 6 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.

$560 Cheap Flights from Houston to Australia in 2026/27

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.

9:00 am - 6:25 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

2:00 pm - 8:19 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,042Multiple Airlines

Sat, Jan 30 - Sat, Feb 13

10:00 am - 6:25 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles

2:00 pm - 8:19 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,056Multiple Airlines

Sun, Feb 14 - Tue, Mar 2

12:00 pm - 9:20 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 20m1 stop San Francisco

9:55 am - 2:15 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 20m1 stop Auckland Intl

$1,160Air New Zealand

Thu, Feb 11 - Sun, Feb 21

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

24h 41m1 stop Los Angeles

5:50 pm - 3:39 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 49m2 stops Auckland Intl Dallas/Fort Worth

$1,184Qantas Airways

Wed, Dec 2 - Wed, Dec 9

7:55 pm - 10:00 amIAH Houston George Bush Intcntl-BNE Brisbane

22h 05m1 stop Auckland Intl

8:20 am - 2:15 pmBNE Brisbane-IAH Houston George Bush Intcntl

21h 55m1 stop Auckland Intl

$1,185Air New Zealand

Thu, Feb 11 - Sun, Feb 21

3:17 pm - 9:00 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 43m1 stop Los Angeles

7:05 am - 2:40 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

24h 35m2 stops Auckland Intl Los Angeles

$1,216Qantas Airways

Tue, Dec 1 - Sat, Dec 12

9:45 pm - 6:30 amIAH Houston George Bush Intcntl-BNE Brisbane

40h 45m1 stop San Francisco

10:30 am - 2:59 pmBNE Brisbane-IAH Houston George Bush Intcntl

19h 29m1 stop San Francisco

$1,684United Airlines

Sat, Mar 13 - Tue, Mar 30

7:20 pm - 7:30 amIAH Houston George Bush Intcntl-BNE Brisbane

20h 10m1 stop San Francisco

10:30 am - 6:38 pmBNE Brisbane-IAH Houston George Bush Intcntl

23h 08m1 stop San Francisco

$1,684United Airlines

Tue, Mar 9 - Tue, Mar 30

7:00 am - 8:30 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 2:40 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 00m1 stop Los Angeles

$1,693Delta

Wed, Dec 30 - Tue, Jan 12

7:08 am - 8:30 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 22m1 stop Los Angeles

10:40 am - 2:40 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 00m1 stop Los Angeles

$1,693Delta

Wed, Dec 30 - Tue, Jan 12

Cheap last minute flights

Enter your travel dates to find the best prices.

6:40 am - 10:15 amIAH Houston George Bush Intcntl-BNE Brisbane

35h 35m3 stops Denver Intl Los Angeles Manila Ninoy Aquino Intl

11:40 am - 5:10 amBNE Brisbane-IAH Houston George Bush Intcntl

33h 30m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,473Multiple Airlines

Sun, Nov 8 - Thu, Nov 12

8:19 pm - 6:55 amIAH Houston George Bush Intcntl-PER Perth

44h 36m2 stops Los Angeles Hong Kong Intl

12:25 am - 11:59 pmPER Perth-IAH Houston George Bush Intcntl

37h 34m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,502Multiple Airlines

Wed, Nov 4 - Tue, Nov 10

8:19 pm - 6:55 amIAH Houston George Bush Intcntl-PER Perth

44h 36m2 stops Los Angeles Hong Kong Intl

12:25 am - 11:59 pmPER Perth-IAH Houston George Bush Intcntl

37h 34m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,502Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

6:10 pm - 8:45 amIAH Houston George Bush Intcntl-BNE Brisbane

22h 35m1 stop Vancouver Intl

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

42h 36m2 stops Vancouver Intl Edmonton

$1,638Air Canada

Sun, Nov 8 - Thu, Nov 12

6:10 pm - 8:45 amIAH Houston George Bush Intcntl-BNE Brisbane

22h 35m1 stop Vancouver Intl

10:45 am - 2:38 pmBNE Brisbane-IAH Houston George Bush Intcntl

19h 53m1 stop Vancouver Intl

$1,652Air Canada

Sun, Nov 8 - Thu, Nov 12

6:46 pm - 9:30 amIAH Houston George Bush Intcntl-MEL Melbourne

21h 44m1 stop Los Angeles

12:10 pm - 8:38 pmMEL Melbourne-IAH Houston George Bush Intcntl

25h 28m2 stops Auckland Intl Los Angeles

$1,657Air New Zealand

Wed, Nov 4 - Sat, Nov 21

7:20 pm - 9:20 amIAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

21h 00m1 stop San Francisco

2:05 pm - 8:38 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 33m2 stops Auckland Intl Los Angeles

$1,701Air New Zealand

Sat, Nov 7 - Sat, Nov 14

2:50 pm - 7:30 amIAH Houston George Bush Intcntl-BNE Brisbane

24h 40m2 stops Los Angeles San Francisco

11:20 am - 5:00 pmBNE Brisbane-IAH Houston George Bush Intcntl

21h 40m2 stops San Francisco Denver Intl

$2,302United Airlines

Mon, Nov 9 - Fri, Nov 13

6:35 pm - 7:30 amIAH Houston George Bush Intcntl-BNE Brisbane

20h 55m1 stop San Francisco

11:20 am - 8:58 pmBNE Brisbane-IAH Houston George Bush Intcntl

25h 38m2 stops San Francisco Denver Intl

$2,302United Airlines

Mon, Nov 9 - Fri, Nov 13

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

24h 41m1 stop Los Angeles

11:10 am - 2:31 pmSYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 21m1 stop Los Angeles

$12,990Qantas Airways

Sun, Nov 8 - Sat, Nov 14

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

$1,684United Airlines

Tue, Mar 9 - Wed, Mar 24

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

$1,684United Airlines

Tue, Feb 23 - Tue, Mar 9

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

$1,684United Airlines

Wed, Mar 10 - Wed, Mar 24

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

$1,684United Airlines

Tue, Feb 16 - Tue, Mar 9

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

$1,730United Airlines

Mon, Mar 8 - Sat, Mar 27

9:25 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

$1,730United Airlines

Sun, Mar 14 - Sat, Mar 27

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

$9,296Multiple Airlines

Tue, Mar 9 - Fri, Mar 26

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

$9,776Virgin Australia

Thu, Mar 4 - Thu, Mar 25

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Air New Zealand flights from Houston to Australia

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

Air New Zealand

Feb 11

IAH12:00 pmHouston George Bush Intcntl

28h 20m

1 stop

SYD9:20 amSydney Kingsford Smith

Feb 21

SYD9:55 amSydney Kingsford Smith

21h 20m

1 stop

IAH2:15 pmHouston George Bush Intcntl

$1,160

Air New Zealand

Feb 11

IAH7:55 pmHouston George Bush Intcntl

22h 05m

1 stop

BNE10:00 amBrisbane

Feb 21

BNE8:20 amBrisbane

21h 55m

1 stop

IAH2:15 pmHouston George Bush Intcntl

$1,185

Air New Zealand

Mar 11

IAH7:55 pmHouston George Bush Intcntl

22h 05m

1 stop

BNE10:00 amBrisbane

Mar 23

BNE11:15 amBrisbane

19h 00m

1 stop

IAH3:15 pmHouston George Bush Intcntl

$1,540

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

Dec 1

IAH3:17 pmHouston George Bush Intcntl

24h 43m

1 stop

SYD9:00 amSydney Kingsford Smith

Dec 12

SYD7:05 amSydney Kingsford Smith

24h 35m

2 stops

IAH2:40 pmHouston George Bush Intcntl

$1,216

Qantas Airways

Dec 8

IAH3:19 pmHouston George Bush Intcntl

22h 31m

1 stop

BNE5:50 amBrisbane

Jan 21

BNE6:30 pmBrisbane

40h 02m

2 stops

IAH6:32 pmHouston George Bush Intcntl

$1,231

Qantas Airways

Dec 8

IAH3:19 pmHouston George Bush Intcntl

22h 31m

1 stop

BNE5:50 amBrisbane

Jan 21

BNE6:30 pmBrisbane

40h 02m

2 stops

IAH6:32 pmHouston George Bush Intcntl

$1,232

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

Sat 1/30

9:00 am-6:25 am

1 stop28h 25m

Sydney Kingsford Smith

Sat 2/13

2:00 pm-8:19 pm

2 stops23h 19m

$1,042

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 2/14

10:00 am-6:25 am

1 stop27h 25m

Sydney Kingsford Smith

Tue 3/2

2:00 pm-8:19 pm

2 stops23h 19m

$1,056

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Thu 2/11

12:00 pm-9:20 am

1 stop28h 20m

Sydney Kingsford Smith

Sun 2/21

9:55 am-2:15 pm

1 stop21h 20m

$1,160

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 12/2

3:19 pm-9:00 am

1 stop24h 41m

Sydney Kingsford Smith

Wed 12/9

5:50 pm-3:39 pm

2 stops38h 49m

$1,184

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Thu 2/11

7:55 pm-10:00 am

1 stop22h 05m

Brisbane

Sun 2/21

8:20 am-2:15 pm

1 stop21h 55m

$1,185

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 12/1

3:17 pm-9:00 am

1 stop24h 43m

Sydney Kingsford Smith

Sat 12/12

7:05 am-2:40 pm

2 stops24h 35m

$1,216

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Sat 3/13

9:45 pm-6:30 am

1 stop40h 45m

Brisbane

Tue 3/30

10:30 am-2:59 pm

1 stop19h 29m

$1,684

Quickest round-trip

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Tue 3/9

7:20 pm-7:30 am

1 stop20h 10m

Brisbane

Tue 3/30

10:30 am-6:38 pm

1 stop23h 08m

$1,684

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 12/30

7:00 am-8:30 am

2 stops32h 30m

Sydney Kingsford Smith

Tue 1/12

10:40 am-2:40 pm

1 stop21h 00m

$1,693

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 12/30

7:08 am-8:30 am

1 stop32h 22m

Sydney Kingsford Smith

Tue 1/12

10:40 am-2:40 pm

1 stop21h 00m

$1,693

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

Other information

What is the cheapest month to fly to Australia?

The month of February is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $1,339. If you aren’t able to travel during the month of February, then book flights to Australia from Houston during May instead. Flights to Australia in May, while not as cheap as those in February, still average around $1,344.

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 $1,623 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 $1,101 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	$560
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 $560. The best round-trip flight deal from Houston to Australia found on momondo in the last 72 hours is $1,042.

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 November 2026, there are 6 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 $205	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
American Airlines	PriceFrom $774	Free Cancellation	Rating 7.0 12,230 reviews	Search American Airlines flights
Air Canada	PriceFrom $782	Free Cancellation	Rating 7.1 11,847 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $794	Free Cancellation	Rating 7.5 1,122 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 681 reviews	Search Air New Zealand flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.3 10,460 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.