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Cheap flights from Houston George Bush Intcntl Airport to Australia from $785

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 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
16:02 - 07:30
IAH
-
SYD
24h 28m
1 stop
Multiple Airlines Logo
13:15 - 11:26
SYD
-
IAH
37h 11m
2 stops
$1,544Multiple Airlines
Sat, 5 Sep - Fri, 11 Sep
Multiple Airlines Logo
21:55 - 07:30
IAH
-
SYD
41h 35m
1 stop
Multiple Airlines Logo
14:15 - 11:26
SYD
-
IAH
37h 11m
2 stops
$1,556Multiple Airlines
Tue, 6 Oct - Fri, 16 Oct
Multiple Airlines Logo
21:59 - 07:30
IAH
-
SYD
41h 31m
1 stop
Multiple Airlines Logo
14:00 - 11:26
SYD
-
IAH
37h 26m
2 stops
$1,561Multiple Airlines
Thu, 15 Oct - Sun, 25 Oct
Air New Zealand Logo
19:55 - 10:55
IAH
-
ADL
22h 30m
1 stop
Air New Zealand Logo
18:30 - 14:15
ADL
-
IAH
36h 15m
2 stops
$2,220Air New Zealand
Tue, 1 Dec - Mon, 21 Dec
Air New Zealand Logo
19:55 - 16:35
IAH
-
ADL
28h 10m
2 stops
Air New Zealand Logo
18:30 - 14:15
ADL
-
IAH
36h 15m
2 stops
$2,254Air New Zealand
Tue, 1 Dec - Mon, 21 Dec
United Airlines Logo
10:00 - 13:15
IAH
-
CBR
36h 15m
2 stops
United Airlines Logo
06:20 - 22:45
CBR
-
IAH
31h 25m
2 stops
$2,262United Airlines
Wed, 19 Aug - Wed, 26 Aug
Air Canada Logo
16:50 - 10:40
IAH
-
CBR
26h 50m
2 stops
Air Canada Logo
06:20 - 15:51
CBR
-
IAH
24h 31m
2 stops
$2,267Air Canada
Wed, 19 Aug - Wed, 26 Aug
United Airlines Logo
18:35 - 12:00
IAH
-
ADL
25h 55m
2 stops
United Airlines Logo
19:55 - 08:00
ADL
-
IAH
28h 35m
1 stop
$2,278United Airlines
Sat, 31 Oct - Wed, 4 Nov
Cathay Pacific Logo
16:21 - 22:40
IAH
-
PER
41h 19m
2 stops
Cathay Pacific Logo
00:10 - 19:46
PER
-
IAH
56h 36m
2 stops
$2,321Cathay Pacific
Mon, 10 Aug - Sun, 6 Sep
Air Canada Logo
16:45 - 16:10
IAH
-
PER
34h 25m
2 stops
Air Canada Logo
22:40 - 15:37
PER
-
IAH
29h 57m
2 stops
$2,517Air Canada
Mon, 14 Sep - Sun, 27 Sep

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United Airlines flights from Houston George Bush Intcntl Airport to Australia

Our best United Airlines deals on Houston George Bush Intcntl Airport to Australia flight tickets
United Airlines
27 July
IAH18:05Houston George Bush Intcntl
21h 50m
1 stop
SYD06:55Sydney Kingsford Smith
9 Aug
SYD10:20Sydney Kingsford Smith
23h 23m
2 stops
IAH18:43Houston George Bush Intcntl
$2,084
United Airlines
27 July
IAH16:31Houston George Bush Intcntl
23h 24m
2 stops
SYD06:55Sydney Kingsford Smith
9 Aug
SYD09:30Sydney Kingsford Smith
22h 34m
2 stops
IAH17:04Houston George Bush Intcntl
$2,091
United Airlines
29 July
IAH12:58Houston George Bush Intcntl
26h 57m
1 stop
SYD06:55Sydney Kingsford Smith
5 Aug
SYD10:20Sydney Kingsford Smith
23h 07m
1 stop
IAH18:27Houston George Bush Intcntl
$2,095

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
18 Nov
IAH16:25Houston George Bush Intcntl
24h 05m
1 stop
MEL09:30Melbourne
18 Jan
MEL12:10Melbourne
19h 05m
1 stop
IAH14:15Houston George Bush Intcntl
$2,078
Air New Zealand
18 Nov
IAH18:31Houston George Bush Intcntl
21h 59m
1 stop
MEL09:30Melbourne
18 Jan
MEL09:10Melbourne
22h 05m
2 stops
IAH14:15Houston George Bush Intcntl
$2,082
Air New Zealand
5 Oct
IAH16:30Houston George Bush Intcntl
24h 00m
1 stop
MEL08:30Melbourne
24 Oct
MEL18:55Melbourne
36h 20m
1 stop
IAH15:15Houston George Bush Intcntl
$2,115

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 23 July 2026.
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 - SYD

IAHSYD

Houston George Bush Intcntl

Sat 5/9

16:02-07:30

1 stop24h 28m

Sydney Kingsford Smith

Fri 11/9

13:15-11:26

2 stops37h 11m

$1,544

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 6/10

21:55-07:30

1 stop41h 35m

Sydney Kingsford Smith

Fri 16/10

14:15-11:26

2 stops37h 11m

$1,556

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 15/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Sun 25/10

14:00-11:26

2 stops37h 26m

$1,561

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 1/12

19:55-10:55

1 stop22h 30m

Adelaide

Mon 21/12

18:30-14:15

2 stops36h 15m

$2,220

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 1/12

19:55-16:35

2 stops28h 10m

Adelaide

Mon 21/12

18:30-14:15

2 stops36h 15m

$2,254

HoustonCanberra

IAH - CBR

IAHCBR

Houston George Bush Intcntl

Wed 19/8

10:00-13:15

2 stops36h 15m

Canberra

Wed 26/8

06:20-22:45

2 stops31h 25m

$2,262
Fastest return journey

HoustonCanberra

IAH - CBR

IAHCBR

Houston George Bush Intcntl

Wed 19/8

16:50-10:40

2 stops26h 50m

Canberra

Wed 26/8

06:20-15:51

2 stops24h 31m

$2,267

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sat 31/10

18:35-12:00

2 stops25h 55m

Adelaide

Wed 4/11

19:55-08:00

1 stop28h 35m

$2,278

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Mon 10/8

16:21-22:40

2 stops41h 19m

Perth

Sun 6/9

00:10-19:46

2 stops56h 36m

$2,321

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Mon 14/9

16:45-16:10

2 stops34h 25m

Perth

Sun 27/9

22:40-15:37

2 stops29h 57m

$2,517

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, 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 $1,512. If you don’t want to visit Australia in May, then you should wait until November to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $1,685.

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 $2,155 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 $1,655 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 45% 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 35m

Direct flights

Every day

Airports in Australia

269 airports
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?

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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