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Cheap flights from Houston George Bush Intcntl Airport to Australia from $749

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 15/9. 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

Logo
07:10 - 11:45IAH-SYD
37h 35m2 stops
Logo
14:15 - 05:14SYD-IAH
30h 59m2 stops
$1,377
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Sun, 21 Sep - Sun, 5 Oct
Logo
07:10 - 11:45IAH-SYD
37h 35m2 stops
Logo
13:15 - 04:30SYD-IAH
30h 15m2 stops
$1,468
Find Deal
Wed, 17 Sep - Wed, 24 Sep
Fiji Airways Logo
18:28 - 12:30IAH-SYD
25h 02m2 stops
Fiji Airways Logo
14:10 - 19:24SYD-IAH
22h 14m2 stops
$1,512Fiji Airways
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Tue, 4 Nov - Tue, 11 Nov
Air New Zealand Logo
20:05 - 08:45IAH-SYD
19h 40m1 stop
Air New Zealand Logo
09:55 - 14:05SYD-IAH
21h 10m1 stop
$1,536Air New Zealand
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Mon, 10 Nov - Sun, 23 Nov
Air New Zealand Logo
16:30 - 08:45IAH-SYD
23h 15m2 stops
Air New Zealand Logo
11:45 - 14:05SYD-IAH
19h 20m1 stop
$1,541Air New Zealand
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Mon, 9 Feb - Sun, 22 Feb
Fiji Airways Logo
18:23 - 12:45IAH-SYD
26h 22m2 stops
Fiji Airways Logo
14:30 - 19:24SYD-IAH
21h 54m2 stops
$1,589Fiji Airways
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Tue, 28 Oct - Sat, 8 Nov
Philippine Airlines Logo
06:00 - 09:55IAH-BNE
60h 55m2 stops
Philippine Airlines Logo
11:15 - 19:38BNE-IAH
47h 23m2 stops
$1,890Philippine Airlines
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Fri, 5 Sep - Sun, 14 Sep
Air Canada Logo
17:25 - 14:15IAH-MEL
27h 50m2 stops
Air Canada Logo
08:00 - 21:44MEL-IAH
30h 44m3 stops
$1,980Air Canada
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Mon, 9 Feb - Wed, 18 Feb
Air Canada Logo
16:55 - 11:35IAH-MEL
27h 40m2 stops
Air Canada Logo
21:40 - 15:42MEL-IAH
33h 02m2 stops
$2,018Air Canada
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Sat, 20 Sep - Tue, 23 Sep
Philippine Airlines Logo
20:12 - 07:25IAH-PER
46h 13m2 stops
Philippine Airlines Logo
08:45 - 13:29PER-IAH
41h 44m2 stops
$2,160Philippine Airlines
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Mon, 8 Sep - Mon, 22 Sep

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
10 Nov
IAH20:05Houston George Bush Intcntl
19h 40m
1 stop
SYD08:45Sydney Kingsford Smith
23 Nov
SYD09:55Sydney Kingsford Smith
21h 10m
1 stop
IAH14:05Houston George Bush Intcntl
$1,536
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Air New Zealand
9 Feb
IAH16:30Houston George Bush Intcntl
23h 15m
2 stops
SYD08:45Sydney Kingsford Smith
22 Feb
SYD11:45Sydney Kingsford Smith
19h 20m
1 stop
IAH14:05Houston George Bush Intcntl
$1,541
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Air New Zealand
3 Nov
IAH14:20Houston George Bush Intcntl
25h 25m
2 stops
SYD08:45Sydney Kingsford Smith
16 Nov
SYD09:55Sydney Kingsford Smith
21h 10m
1 stop
IAH14:05Houston George Bush Intcntl
$1,543
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Fiji Airways flights from Houston George Bush Intcntl Airport to Australia

Our best Fiji Airways deals on Houston George Bush Intcntl Airport to Australia flight tickets
Fiji Airways
4 Nov
IAH18:28Houston George Bush Intcntl
25h 02m
2 stops
SYD12:30Sydney Kingsford Smith
11 Nov
SYD14:10Sydney Kingsford Smith
22h 14m
2 stops
IAH19:24Houston George Bush Intcntl
$1,512
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Fiji Airways
28 Oct
IAH18:23Houston George Bush Intcntl
26h 22m
2 stops
SYD12:45Sydney Kingsford Smith
8 Nov
SYD14:30Sydney Kingsford Smith
21h 54m
2 stops
IAH19:24Houston George Bush Intcntl
$1,589
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Fiji Airways
1 Nov
IAH18:23Houston George Bush Intcntl
24h 47m
2 stops
BNE10:10Brisbane
18 Nov
BNE11:35Brisbane
23h 49m
2 stops
IAH19:24Houston George Bush Intcntl
$1,595
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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 20 August 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

Sun 21/9

07:10-11:45

2 stops37h 35m

Sydney Kingsford Smith

Sun 5/10

14:15-05:14

2 stops30h 59m

$1,377

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 17/9

07:10-11:45

2 stops37h 35m

Sydney Kingsford Smith

Wed 24/9

13:15-04:30

2 stops30h 15m

$1,468

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 4/11

18:28-12:30

2 stops25h 02m

Sydney Kingsford Smith

Tue 11/11

14:10-19:24

2 stops22h 14m

$1,512

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 10/11

20:05-08:45

1 stop19h 40m

Sydney Kingsford Smith

Sun 23/11

09:55-14:05

1 stop21h 10m

$1,536

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 9/2

16:30-08:45

2 stops23h 15m

Sydney Kingsford Smith

Sun 22/2

11:45-14:05

1 stop19h 20m

$1,541

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 28/10

18:23-12:45

2 stops26h 22m

Sydney Kingsford Smith

Sat 8/11

14:30-19:24

2 stops21h 54m

$1,589

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Fri 5/9

06:00-09:55

2 stops60h 55m

Brisbane

Sun 14/9

11:15-19:38

2 stops47h 23m

$1,890

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 9/2

17:25-14:15

2 stops27h 50m

Melbourne

Wed 18/2

08:00-21:44

3 stops30h 44m

$1,980

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sat 20/9

16:55-11:35

2 stops27h 40m

Melbourne

Tue 23/9

21:40-15:42

2 stops33h 02m

$2,018

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Mon 8/9

20:12-07:25

2 stops46h 13m

Perth

Mon 22/9

08:45-13:29

2 stops41h 44m

$2,160

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 $1,439. If you don’t want to visit Australia in April, then you should wait until June to fly from Houston George Bush Intcntl Airport, when ticket prices are also cheap, with an average price of $1,487.

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 $1,596. 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 $3,723. 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 $1,871 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 $1,485 on momondo.

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

There are 1 cabin classes 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 30% 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

1 airport
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 is 1 airport near Australia: Sydney Kingsford Smith (SYD)
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  • 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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