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 refresh daily.

How old do you have to be to fly from Houston to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$774 Cheap Flights from Houston to Australia in 2026

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Houston to Australia

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

18:39 - 07:05

HOU

SYD

21h 26m

2 stops

09:10 - 15:45

SYD

HOU

21h 35m

2 stops

$1,384American Airlines

Sun, 24 May - Sun, 7 Jun

17:35 - 07:05

IAH

SYD

22h 30m

2 stops

09:10 - 19:42

SYD

IAH

25h 32m

1 stop

$1,384American Airlines

Sun, 24 May - Sun, 7 Jun

20:09 - 07:05

IAH

SYD

19h 56m

1 stop

09:10 - 19:46

SYD

IAH

25h 36m

1 stop

$1,390American Airlines

Sun, 26 Jul - Wed, 5 Aug

12:42 - 07:05

HOU

SYD

27h 23m

2 stops

11:15 - 23:57

SYD

HOU

29h 42m

2 stops

$1,675Qantas Airways

Wed, 20 May - Mon, 2 Nov

06:10 - 06:45

IAH

MEL

33h 35m

1 stop

13:25 - 15:11

MEL

IAH

40h 46m

2 stops

$1,786Multiple Airlines

Tue, 4 Aug - Tue, 25 Aug

21:59 - 06:45

IAH

MEL

40h 46m

1 stop

14:20 - 11:26

MEL

IAH

37h 06m

2 stops

$1,789Multiple Airlines

Fri, 9 Oct - Sun, 18 Oct

16:15 - 07:05

HOU

SYD

23h 50m

2 stops

09:10 - 15:58

SYD

HOU

21h 48m

2 stops

$1,809Qantas Airways

Sat, 12 Sep - Sat, 26 Sep

18:38 - 07:30

IAH

MEL

21h 52m

1 stop

12:10 - 06:12

MEL

IAH

33h 02m

2 stops

$2,003Air New Zealand

Mon, 22 Jun - Sun, 19 Jul

21:55 - 10:55

IAH

MEL

22h 00m

1 stop

08:35 - 16:25

MEL

IAH

22h 50m

1 stop

$2,015Air New Zealand

Wed, 10 Jun - Wed, 17 Jun

18:49 - 11:50

HOU

SYD

26h 01m

2 stops

13:15 - 19:51

SYD

HOU

21h 36m

2 stops

$2,048Fiji Airways

Sat, 1 Aug - Sat, 15 Aug

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

24 May

HOU18:39Houston Hobby

21h 26m

2 stops

SYD07:05Sydney Kingsford Smith

7 June

SYD09:10Sydney Kingsford Smith

21h 35m

2 stops

HOU15:45Houston Hobby

$1,384

American Airlines

26 July

IAH20:09Houston George Bush Intcntl

19h 56m

1 stop

SYD07:05Sydney Kingsford Smith

5 Aug

SYD09:10Sydney Kingsford Smith

25h 36m

1 stop

IAH19:46Houston George Bush Intcntl

$1,390

American Airlines

5 July

IAH20:09Houston George Bush Intcntl

19h 56m

1 stop

SYD07:05Sydney Kingsford Smith

27 July

SYD09:10Sydney Kingsford Smith

25h 28m

1 stop

IAH19:38Houston George Bush Intcntl

$1,391

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

24 Aug

IAH20:19Houston George Bush Intcntl

19h 46m

1 stop

SYD07:05Sydney Kingsford Smith

7 Sept

SYD09:10Sydney Kingsford Smith

25h 36m

1 stop

IAH19:46Houston George Bush Intcntl

$1,666

Qantas Airways

4 Aug

IAH16:18Houston George Bush Intcntl

23h 47m

2 stops

SYD07:05Sydney Kingsford Smith

9 Aug

SYD09:10Sydney Kingsford Smith

23h 54m

2 stops

IAH18:04Houston George Bush Intcntl

$1,671

Qantas Airways

15 June

HOU12:50Houston Hobby

27h 15m

2 stops

SYD07:05Sydney Kingsford Smith

30 June

SYD09:10Sydney Kingsford Smith

29h 49m

2 stops

HOU23:59Houston Hobby

$1,675

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 24/5

18:39-07:05

2 stops21h 26m

Sydney Kingsford Smith

Sun 7/6

09:10-15:45

2 stops21h 35m

$1,384

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 24/5

17:35-07:05

2 stops22h 30m

Sydney Kingsford Smith

Sun 7/6

09:10-19:42

1 stop25h 32m

$1,384

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 26/7

20:09-07:05

1 stop19h 56m

Sydney Kingsford Smith

Wed 5/8

09:10-19:46

1 stop25h 36m

$1,390

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 20/5

12:42-07:05

2 stops27h 23m

Sydney Kingsford Smith

Mon 2/11

11:15-23:57

2 stops29h 42m

$1,675

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 4/8

06:10-06:45

1 stop33h 35m

Melbourne

Tue 25/8

13:25-15:11

2 stops40h 46m

$1,786

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Fri 9/10

21:59-06:45

1 stop40h 46m

Melbourne

Sun 18/10

14:20-11:26

2 stops37h 06m

$1,789

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 12/9

16:15-07:05

2 stops23h 50m

Sydney Kingsford Smith

Sat 26/9

09:10-15:58

2 stops21h 48m

$1,809

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 22/6

18:38-07:30

1 stop21h 52m

Melbourne

Sun 19/7

12:10-06:12

2 stops33h 02m

$2,003

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 10/6

21:55-10:55

1 stop22h 00m

Melbourne

Wed 17/6

08:35-16:25

1 stop22h 50m

$2,015

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 1/8

18:49-11:50

2 stops26h 01m

Sydney Kingsford Smith

Sat 15/8

13:15-19:51

2 stops21h 36m

$2,048

Flights are sorted by cheapest return 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?

In general, December is the cheapest month to fly from Houston to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $98. If you don’t want to visit Australia in December, then you should wait until July to fly from Houston, when ticket prices are also cheap, with an average price of $156.

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 $1,876 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Houston for as low as $1,341 on momondo.

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	Mon, Wed and Sun
Airports in Australia	269 airports

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

Direct flights go from Houston to Australia on Monday, Wednesday and 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 refresh daily.
How old do you have to be to fly from Houston to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Australia?

Finding the right flight to Australia from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

Can I find flights from Houston to Australia with flexible booking policies on momondo?

Flights from Houston to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Australia?

momondo helps you find the best flight between Houston and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.