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

Alaska Airlines, Turkish Airlines, and Cathay Pacific are the most popular carriers operating from Houston George Bush Intcntl to Australia

How old do you have to be to fly from Houston George Bush Intcntl Airport 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Australia.

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

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$735 Cheap Flights from Houston George Bush Intcntl Airport to Australia in 2026/27

Find the cheapest flights from Houston George Bush Intcntl Airport to Australia

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

18:10 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 13:21SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 01m2 stops Vancouver Intl Edmonton

$1,513Air Canada

Sun, 22 Nov - Wed, 25 Nov

18:10 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

10:20 - 13:21SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 01m2 stops Vancouver Intl Edmonton

$1,515Air Canada

Wed, 24 Mar - Wed, 31 Mar

11:50 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 45m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 13:21SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 01m2 stops Vancouver Intl Edmonton

$1,518Air Canada

Sun, 22 Nov - Wed, 25 Nov

11:55 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:20 - 13:21SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 01m2 stops Vancouver Intl Edmonton

$1,519Air Canada

Wed, 24 Mar - Wed, 31 Mar

18:10 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 14:38SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 18m1 stop Vancouver Intl

$1,546Air Canada

Wed, 3 Feb - Sun, 21 Feb

18:10 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 19:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

48h 40m2 stops Vancouver Intl Calgary

$1,548Air Canada

Sun, 14 Feb - Sun, 28 Feb

11:50 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 45m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:38SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 18m1 stop Vancouver Intl

$1,551Air Canada

Wed, 11 Nov - Tue, 8 Dec

11:55 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 14:37SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 17m1 stop Vancouver Intl

$1,552Air Canada

Tue, 23 Feb - Tue, 9 Mar

21:52 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 43m2 stops Denver Intl Vancouver Intl

11:20 - 14:38SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 18m1 stop Vancouver Intl

$1,555Air Canada

Sat, 14 Nov - Mon, 23 Nov

11:55 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 21:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

51h 06m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,558Air Canada

Tue, 23 Feb - Tue, 9 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:25 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

48h 10m2 stops Edmonton Vancouver Intl

11:20 - 13:21SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 01m2 stops Vancouver Intl Edmonton

$1,502Air Canada

Mon, 26 Oct - Mon, 2 Nov

18:10 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 13:21SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 01m2 stops Vancouver Intl Edmonton

$1,515Air Canada

Mon, 26 Oct - Mon, 2 Nov

18:10 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 14:38SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 18m1 stop Vancouver Intl

$1,546Air Canada

Tue, 27 Oct - Tue, 3 Nov

18:10 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 14:38SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 18m1 stop Vancouver Intl

$1,548Air Canada

Mon, 26 Oct - Mon, 2 Nov

18:10 - 07:45IAH Houston George Bush Intcntl-BNE Brisbane

22h 35m1 stop Vancouver Intl

10:45 - 14:38BNE Brisbane-IAH Houston George Bush Intcntl

19h 53m1 stop Vancouver Intl

$1,556Air Canada

Sun, 25 Oct - Sun, 8 Nov

16:25 - 07:45IAH Houston George Bush Intcntl-BNE Brisbane

48h 20m2 stops Edmonton Vancouver Intl

10:45 - 14:38BNE Brisbane-IAH Houston George Bush Intcntl

19h 53m1 stop Vancouver Intl

$1,556Air Canada

Sun, 25 Oct - Sun, 8 Nov

16:25 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

48h 10m2 stops Edmonton Vancouver Intl

11:20 - 09:07SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 47m2 stops Vancouver Intl Toronto Pearson Intl

$1,558Air Canada

Tue, 27 Oct - Tue, 3 Nov

16:25 - 07:45IAH Houston George Bush Intcntl-BNE Brisbane

24h 20m2 stops Edmonton Vancouver Intl

10:45 - 21:39BNE Brisbane-IAH Houston George Bush Intcntl

50h 54m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,561Air Canada

Sun, 25 Oct - Sun, 8 Nov

16:25 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

48h 10m2 stops Edmonton Vancouver Intl

11:20 - 10:58SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 38m2 stops Vancouver Intl Toronto Pearson Intl

$1,612Air Canada

Wed, 28 Oct - Wed, 4 Nov

18:10 - 07:45IAH Houston George Bush Intcntl-BNE Brisbane

22h 35m1 stop Vancouver Intl

10:45 - 09:13BNE Brisbane-IAH Houston George Bush Intcntl

38h 28m2 stops Vancouver Intl Toronto Pearson Intl

$1,640Air Canada

Wed, 28 Oct - Wed, 13 Jan

Cheap direct flights

Enter your travel dates to find the best prices.

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 08:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,397United Airlines

Mon, 8 Mar - Mon, 22 Mar

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,398United Airlines

Tue, 23 Feb - Tue, 9 Mar

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 08:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,468United Airlines

Mon, 8 Mar - Sun, 21 Mar

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,470United Airlines

Sun, 24 Jan - Fri, 5 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,540United Airlines

Thu, 28 Jan - Thu, 11 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,541United Airlines

Fri, 26 Feb - Fri, 5 Mar

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,575United Airlines

Wed, 27 Jan - Sun, 14 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,611United Airlines

Tue, 17 Nov - Tue, 24 Nov

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,612United Airlines

Sun, 22 Nov - Mon, 7 Dec

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,614United Airlines

Sun, 22 Nov - Mon, 7 Dec

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Air Canada flights from Houston George Bush Intcntl Airport to Australia

Our best Air Canada deals on Houston George Bush Intcntl Airport to Australia flight tickets

Air Canada

26 Oct

IAH16:25Houston George Bush Intcntl

48h 10m

2 stops

SYD08:35Sydney Kingsford Smith

2 Nov

SYD11:20Sydney Kingsford Smith

43h 01m

2 stops

IAH13:21Houston George Bush Intcntl

$1,502

Air Canada

22 Nov

IAH18:10Houston George Bush Intcntl

22h 25m

1 stop

SYD09:35Sydney Kingsford Smith

25 Nov

SYD11:20Sydney Kingsford Smith

43h 01m

2 stops

IAH13:21Houston George Bush Intcntl

$1,513

Air Canada

24 Mar

IAH18:10Houston George Bush Intcntl

22h 25m

1 stop

SYD08:35Sydney Kingsford Smith

31 Mar

SYD10:20Sydney Kingsford Smith

43h 01m

2 stops

IAH13:21Houston George Bush Intcntl

$1,515

Air New Zealand flights from Houston George Bush Intcntl Airport to Australia

Our best Air New Zealand deals on Houston George Bush Intcntl Airport to Australia flight tickets

Air New Zealand

2 Feb

IAH18:10Houston George Bush Intcntl

22h 25m

1 stop

SYD09:35Sydney Kingsford Smith

22 Feb

SYD11:20Sydney Kingsford Smith

20h 18m

1 stop

IAH14:38Houston George Bush Intcntl

$1,632

Air New Zealand

2 Feb

IAH11:55Houston George Bush Intcntl

28h 40m

2 stops

SYD09:35Sydney Kingsford Smith

22 Feb

SYD11:20Sydney Kingsford Smith

20h 18m

1 stop

IAH14:38Houston George Bush Intcntl

$1,637

Air New Zealand

5 Nov

IAH18:10Houston George Bush Intcntl

22h 25m

1 stop

SYD09:35Sydney Kingsford Smith

8 Nov

SYD11:20Sydney Kingsford Smith

20h 18m

1 stop

IAH14:38Houston George Bush Intcntl

$1,690

momondo Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 22/11

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Wed 25/11

11:20-13:21

2 stops43h 01m

$1,513

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 24/3

18:10-08:35

1 stop22h 25m

Sydney Kingsford Smith

Wed 31/3

10:20-13:21

2 stops43h 01m

$1,515

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 22/11

11:50-09:35

2 stops28h 45m

Sydney Kingsford Smith

Wed 25/11

11:20-13:21

2 stops43h 01m

$1,518

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 24/3

11:55-08:35

2 stops28h 40m

Sydney Kingsford Smith

Wed 31/3

10:20-13:21

2 stops43h 01m

$1,519

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 3/2

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Sun 21/2

11:20-14:38

1 stop20h 18m

$1,546

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 14/2

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Sun 28/2

11:20-19:00

2 stops48h 40m

$1,548

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 11/11

11:50-09:35

2 stops28h 45m

Sydney Kingsford Smith

Tue 8/12

11:20-14:38

1 stop20h 18m

$1,551

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

11:55-09:35

2 stops28h 40m

Sydney Kingsford Smith

Tue 9/3

11:20-14:37

1 stop20h 17m

$1,552

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 14/11

21:52-09:35

2 stops42h 43m

Sydney Kingsford Smith

Mon 23/11

11:20-14:38

1 stop20h 18m

$1,555

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

11:55-09:35

2 stops28h 40m

Sydney Kingsford Smith

Tue 9/3

11:20-21:26

2 stops51h 06m

$1,558

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 George Bush Intcntl Airport 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, May is the cheapest month to fly from Houston George Bush Intcntl Airport to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,531. If you don’t want to visit Australia in May, then you should wait until February to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $1,885.

What is the cheapest Houston George Bush Intcntl to Australia flight route?

Fly from Houston George Bush Intcntl to Sydney Kingsford Smith for the best Houston George Bush Intcntl - Australia flight prices

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Australia?

You are more likely to see cheaper flights to Australia from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $2,322 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 George Bush Intcntl Airport for as low as $1,629 on momondo.

What cabin class options are available on Houston George Bush Intcntl Airport to Australia flights?

There are 2 cabin classes available to choose from on Houston George Bush Intcntl Airport to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to Australia flights?

You could potentially save up to 19% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Australia flight.

Cheap Houston George Bush Intcntl Airport to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Australia

Best price found	$735
Fastest flight time	17h 35m
Direct flights	Every day
Airports in Australia	269 airports

The best one-way flight to Australia from Houston George Bush Intcntl Airport in the past 72 hours is $735. The best return flight deal from Houston George Bush Intcntl Airport to Australia found on momondo in the last 72 hours is $1,513.

The fastest flight from Houston George Bush Intcntl Airport to Australia takes 17h 35m

Direct flights go from Houston George Bush Intcntl Airport to Australia every day.

There are 269 airports in Australia. From Houston George Bush Intcntl Airport there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Australia

When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Australia?
Prices for flights from Houston George Bush Intcntl Airport to Australia refresh daily.
How old do you have to be to fly from Houston George Bush Intcntl Airport 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Houston George Bush Intcntl Airport to Australia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Houston George Bush Intcntl Airport to Australia is Boeing 787-9 Dreamliner (75.68% of total bookings). The next most popular plane models are Airbus A321-100/200 (5.41%), Boeing 787-8 Dreamliner (5.41%), and Airbus A320-100/200 (5.41%).

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Australia for you.

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

Yes. momondo enables you to select and highlight flights to Australia from Houston with this policy.

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

momondo provides multiple filters to help you find the best flight to Australia from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Houston to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.