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Cheap flights from Houston George Bush Intcntl Airport to Australia from $612

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 20/4. 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
16:34 - 12:35
IAH
-
SYD
27h 01m
2 stops
Multiple Airlines Logo
14:00 - 00:30
SYD
-
IAH
26h 30m
2 stops
$1,318Multiple Airlines
Wed, 4 Mar - Tue, 10 Mar
Air Canada Logo
16:32 - 07:05
IAH
-
BNE
47h 33m
2 stops
Air Canada Logo
10:00 - 13:24
BNE
-
IAH
42h 24m
2 stops
$1,320Air Canada
Sun, 17 May - Sun, 24 May
Air Canada Logo
16:45 - 07:05
IAH
-
BNE
23h 20m
1 stop
Air Canada Logo
10:00 - 13:24
BNE
-
IAH
42h 24m
2 stops
$1,331Air Canada
Sun, 17 May - Sun, 24 May
Multiple Airlines Logo
16:22 - 12:50
IAH
-
SYD
28h 28m
2 stops
Multiple Airlines Logo
13:15 - 00:11
SYD
-
IAH
25h 56m
2 stops
$1,346Multiple Airlines
Tue, 31 Mar - Tue, 7 Apr
Air Canada Logo
16:45 - 07:05
IAH
-
BNE
23h 20m
1 stop
Air Canada Logo
10:00 - 06:24
BNE
-
IAH
35h 24m
1 stop
$1,363Air Canada
Sun, 17 May - Sun, 24 May
Air Canada Logo
16:32 - 07:05
IAH
-
BNE
47h 33m
2 stops
Air Canada Logo
10:00 - 13:34
BNE
-
IAH
42h 34m
2 stops
$1,377Air Canada
Mon, 4 May - Fri, 15 May
Air New Zealand Logo
21:55 - 08:45
IAH
-
SYD
19h 50m
1 stop
Air New Zealand Logo
11:55 - 16:25
SYD
-
IAH
19h 30m
1 stop
$1,430Air New Zealand
Mon, 4 May - Wed, 13 May
Air New Zealand Logo
21:55 - 10:40
IAH
-
SYD
21h 45m
1 stop
Air New Zealand Logo
09:55 - 16:25
SYD
-
IAH
21h 30m
1 stop
$1,433Air New Zealand
Mon, 3 Aug - Mon, 17 Aug
United Airlines Logo
14:50 - 13:35
IAH
-
CBR
30h 45m
2 stops
United Airlines Logo
07:15 - 22:52
CBR
-
IAH
30h 37m
2 stops
$2,501United Airlines
Sun, 29 Mar - Sun, 5 Apr
Qatar Airways Logo
18:40 - 07:30
IAH
-
CBR
45h 50m
2 stops
Qatar Airways Logo
12:55 - 16:40
CBR
-
IAH
42h 45m
2 stops
$2,780Qatar Airways
Sat, 25 Apr - Wed, 29 Apr

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 May
IAH21:55Houston George Bush Intcntl
19h 50m
1 stop
SYD08:45Sydney Kingsford Smith
13 May
SYD11:55Sydney Kingsford Smith
19h 30m
1 stop
IAH16:25Houston George Bush Intcntl
$1,430
Air New Zealand
3 Aug
IAH21:55Houston George Bush Intcntl
21h 45m
1 stop
SYD10:40Sydney Kingsford Smith
17 Aug
SYD09:55Sydney Kingsford Smith
21h 30m
1 stop
IAH16:25Houston George Bush Intcntl
$1,433
Air New Zealand
6 Apr
IAH21:55Houston George Bush Intcntl
19h 50m
1 stop
SYD08:45Sydney Kingsford Smith
27 Apr
SYD11:55Sydney Kingsford Smith
19h 30m
1 stop
IAH16:25Houston George Bush Intcntl
$1,442

Delta flights from Houston George Bush Intcntl Airport to Australia

Our best Delta deals on Houston George Bush Intcntl Airport to Australia flight tickets
Delta
27 Feb
IAH16:11Houston George Bush Intcntl
24h 09m
1 stop
BNE08:20Brisbane
13 Mar
BNE09:40Brisbane
19h 32m
1 stop
IAH14:12Houston George Bush Intcntl
$1,790
Delta
27 Feb
IAH06:38Houston George Bush Intcntl
33h 42m
2 stops
BNE08:20Brisbane
13 Mar
BNE09:40Brisbane
19h 32m
1 stop
IAH14:12Houston George Bush Intcntl
$1,796
Delta
25 Feb
IAH12:42Houston George Bush Intcntl
26h 18m
2 stops
MEL08:00Melbourne
4 Mar
MEL10:10Melbourne
29h 22m
2 stops
IAH22:32Houston George Bush Intcntl
$2,084

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 15 February 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

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 4/3

16:34-12:35

2 stops27h 01m

Sydney Kingsford Smith

Tue 10/3

14:00-00:30

2 stops26h 30m

$1,318

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 17/5

16:32-07:05

2 stops47h 33m

Brisbane

Sun 24/5

10:00-13:24

2 stops42h 24m

$1,320

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 17/5

16:45-07:05

1 stop23h 20m

Brisbane

Sun 24/5

10:00-13:24

2 stops42h 24m

$1,331

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 31/3

16:22-12:50

2 stops28h 28m

Sydney Kingsford Smith

Tue 7/4

13:15-00:11

2 stops25h 56m

$1,346

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 17/5

16:45-07:05

1 stop23h 20m

Brisbane

Sun 24/5

10:00-06:24

1 stop35h 24m

$1,363

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 4/5

16:32-07:05

2 stops47h 33m

Brisbane

Fri 15/5

10:00-13:34

2 stops42h 34m

$1,377

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 4/5

21:55-08:45

1 stop19h 50m

Sydney Kingsford Smith

Wed 13/5

11:55-16:25

1 stop19h 30m

$1,430

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 3/8

21:55-10:40

1 stop21h 45m

Sydney Kingsford Smith

Mon 17/8

09:55-16:25

1 stop21h 30m

$1,433

HoustonCanberra

IAH - CBR

IAHCBR

Houston George Bush Intcntl

Sun 29/3

14:50-13:35

2 stops30h 45m

Canberra

Sun 5/4

07:15-22:52

2 stops30h 37m

$2,501

HoustonCanberra

IAH - CBR

IAHCBR

Houston George Bush Intcntl

Sat 25/4

18:40-07:30

2 stops45h 50m

Canberra

Wed 29/4

12:55-16:40

2 stops42h 45m

$2,780

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, October 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 $1,596. If you don’t want to visit Australia in October, then you should wait until August to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $1,622.

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 $1,939 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 $1,355 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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