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Cheap flights from Houston George Bush Intcntl Airport to Australia from $715

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Australia departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Australia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:13 - 12:35
IAH
-
SYD
27h 22m2 stops
Multiple Airlines Logo
06:00 - 00:30
SYD
-
IAH
35h 30m2 stops
$1,265Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb
Multiple Airlines Logo
16:34 - 12:35
IAH
-
SYD
27h 01m2 stops
Multiple Airlines Logo
14:00 - 00:30
SYD
-
IAH
27h 30m2 stops
$1,310Multiple Airlines
Sun, 15 Feb - Sun, 1 Mar
Air Canada Logo
17:25 - 08:45
IAH
-
BNE
23h 20m1 stop
Air Canada Logo
10:45 - 13:34
BNE
-
IAH
42h 49m2 stops
$1,392Air Canada
Tue, 3 Feb - Tue, 17 Feb
Air Canada Logo
17:25 - 08:45
IAH
-
BNE
23h 20m1 stop
Air Canada Logo
10:45 - 13:34
BNE
-
IAH
42h 49m2 stops
$1,393Air Canada
Tue, 3 Feb - Tue, 17 Feb
Air New Zealand Logo
20:05 - 08:45
IAH
-
SYD
19h 40m1 stop
Air New Zealand Logo
09:55 - 14:05
SYD
-
IAH
21h 10m1 stop
$1,581Air New Zealand
Wed, 4 Feb - Wed, 25 Feb
Air New Zealand Logo
20:05 - 10:30
IAH
-
SYD
21h 25m1 stop
Air New Zealand Logo
09:55 - 14:05
SYD
-
IAH
21h 10m1 stop
$1,590Air New Zealand
Sun, 15 Feb - Sun, 1 Mar
Qantas Airways Logo
19:42 - 09:30
IAH
-
MEL
21h 48m1 stop
Qantas Airways Logo
12:00 - 19:11
MEL
-
IAH
23h 11m1 stop
$1,667Qantas Airways
Thu, 12 Mar - Thu, 19 Mar
Cathay Pacific Logo
19:46 - 22:40
IAH
-
PER
37h 54m2 stops
Cathay Pacific Logo
09:15 - 23:21
PER
-
IAH
51h 06m2 stops
$2,016Cathay Pacific
Tue, 5 May - Wed, 20 May
Cathay Pacific Logo
19:46 - 22:40
IAH
-
PER
37h 54m2 stops
Cathay Pacific Logo
09:15 - 23:21
PER
-
IAH
51h 06m2 stops
$2,018Cathay Pacific
Tue, 5 May - Wed, 20 May
Qantas Airways Logo
14:12 - 16:05
IAH
-
HBA
32h 53m2 stops
Qantas Airways Logo
06:05 - 19:11
HBA
-
IAH
29h 06m2 stops
$2,097Qantas Airways
Tue, 20 Jan - Tue, 24 Mar

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
4 Feb
IAH20:05Houston George Bush Intcntl
19h 40m
1 stop
SYD08:45Sydney Kingsford Smith
25 Feb
SYD09:55Sydney Kingsford Smith
21h 10m
1 stop
IAH14:05Houston George Bush Intcntl
$1,581
Find similar
Air New Zealand
15 Feb
IAH20:05Houston George Bush Intcntl
21h 25m
1 stop
SYD10:30Sydney Kingsford Smith
1 Mar
SYD09:55Sydney Kingsford Smith
21h 10m
1 stop
IAH14:05Houston George Bush Intcntl
$1,590
Find similar
Air New Zealand
11 Feb
IAH15:02Houston George Bush Intcntl
24h 43m
2 stops
SYD08:45Sydney Kingsford Smith
1 Mar
SYD09:55Sydney Kingsford Smith
21h 10m
1 stop
IAH14:05Houston George Bush Intcntl
$1,599
Find similar

Qantas Airways flights from Houston George Bush Intcntl Airport to Australia

Our best Qantas Airways deals on Houston George Bush Intcntl Airport to Australia flight tickets
Qantas Airways
12 Mar
IAH19:42Houston George Bush Intcntl
21h 48m
1 stop
MEL09:30Melbourne
19 Mar
MEL12:00Melbourne
23h 11m
1 stop
IAH19:11Houston George Bush Intcntl
$1,667
Find similar
Qantas Airways
10 Mar
IAH19:42Houston George Bush Intcntl
21h 18m
1 stop
SYD09:00Sydney Kingsford Smith
24 Mar
SYD11:20Sydney Kingsford Smith
23h 51m
1 stop
IAH19:11Houston George Bush Intcntl
$1,687
Find similar
Qantas Airways
1 May
IAH19:46Houston George Bush Intcntl
20h 44m
1 stop
SYD07:30Sydney Kingsford Smith
31 May
SYD09:10Sydney Kingsford Smith
25h 15m
1 stop
IAH19:25Houston George Bush Intcntl
$1,717
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momondo Fare Finder

 
Customise your flight search to find flights from Houston George Bush Intcntl Airport to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 26 December 2025.
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

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 9/2

16:13-12:35

2 stops27h 22m

Sydney Kingsford Smith

Mon 16/2

06:00-00:30

2 stops35h 30m

$1,265

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 15/2

16:34-12:35

2 stops27h 01m

Sydney Kingsford Smith

Sun 1/3

14:00-00:30

2 stops27h 30m

$1,310

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 3/2

17:25-08:45

1 stop23h 20m

Brisbane

Tue 17/2

10:45-13:34

2 stops42h 49m

$1,392

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 3/2

17:25-08:45

1 stop23h 20m

Brisbane

Tue 17/2

10:45-13:34

2 stops42h 49m

$1,393

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 4/2

20:05-08:45

1 stop19h 40m

Sydney Kingsford Smith

Wed 25/2

09:55-14:05

1 stop21h 10m

$1,581

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 15/2

20:05-10:30

1 stop21h 25m

Sydney Kingsford Smith

Sun 1/3

09:55-14:05

1 stop21h 10m

$1,590

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Thu 12/3

19:42-09:30

1 stop21h 48m

Melbourne

Thu 19/3

12:00-19:11

1 stop23h 11m

$1,667

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Tue 5/5

19:46-22:40

2 stops37h 54m

Perth

Wed 20/5

09:15-23:21

2 stops51h 06m

$2,016

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Tue 5/5

19:46-22:40

2 stops37h 54m

Perth

Wed 20/5

09:15-23:21

2 stops51h 06m

$2,018

HoustonHobart

IAH - HBA

IAHHBA

Houston George Bush Intcntl

Tue 20/1

14:12-16:05

2 stops32h 53m

Hobart

Tue 24/3

06:05-19:11

2 stops29h 06m

$2,097

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

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

What is the cheapest month to fly to Australia?

In general, April 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 $1,435. If you don’t want to visit Australia in April, then you should wait until March to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $1,498.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is in the afternoon. momondo users have found flights departing from Houston George Bush Intcntl Airport to Australia in the afternoon for as low as $1,541. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $2,202. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 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 $1,813 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 $1,323 on momondo.

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

There is only 1 cabin class available to choose from on Houston George Bush Intcntl 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 3% 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

Fastest flight time

17h 30m

Direct flights

Every day

Airports in Australia

266 airports
The fastest flight from Houston George Bush Intcntl Airport to Australia takes 17h 30m
Direct flights go from Houston George Bush Intcntl Airport to Australia every day.
There are 266 airports in Australia. From Houston George Bush Intcntl Airport there are direct flights to Sydney Kingsford Smith (SYD).
Search flight deals

  • 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?

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.

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