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Cheap flights from Houston George Bush Intcntl Airport to Australia from $874

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
7 Aug — 14 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from George Bush Intcntl to Australia

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl to Australia
Explore the most affordable flight options available from George Bush Intcntl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2026.

Tue 18/816:02
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Tue 25/813:15
SYD
-
IAH
3 stops37h 41m
Multiple Airlines
Deal found 4/7$1,567
Tue 18/816:02
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Fri 28/806:15
SYD
-
IAH
2 stops32h 41m
Multiple Airlines
Deal found 8/7$1,571
Tue 1/916:02
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Tue 8/913:15
SYD
-
IAH
3 stops46h 45m
Multiple Airlines
Deal found 6/7$1,639
Mon 24/815:52
IAH
-
MEL
2 stops29h 33m
Multiple Airlines
Mon 7/913:20
MEL
-
IAH
3 stops37h 36m
Multiple Airlines
Deal found 4/7$1,643
Tue 18/806:00
IAH
-
BNE
3 stops37h 40m
Multiple Airlines
Fri 28/811:35
BNE
-
IAH
2 stops27h 21m
Multiple Airlines
Deal found 7/7$1,682
Sat 22/818:50
IAH
-
MEL
2 stops33h 30m
Multiple Airlines
Sat 5/907:30
MEL
-
IAH
2 stops28h 10m
Multiple Airlines
Deal found 8/7$1,701
Mon 31/815:52
IAH
-
SYD
2 stops28h 58m
Multiple Airlines
Mon 7/913:15
SYD
-
IAH
2 stops25h 41m
Multiple Airlines
Deal found 7/7$1,713
Sun 23/815:52
IAH
-
SYD
2 stops28h 58m
Multiple Airlines
Mon 7/913:15
SYD
-
IAH
3 stops37h 41m
Multiple Airlines
Deal found 4/7$1,726
Fri 14/807:20
IAH
-
BNE
2 stops35h 45m
Multiple Airlines
Mon 24/811:20
BNE
-
IAH
2 stops42h 54m
Multiple Airlines
Deal found 7/7$1,825
Wed 16/906:50
IAH
-
MEL
2 stops32h 55m
Multiple Airlines
Wed 23/909:45
MEL
-
IAH
2 stops27h 21m
Multiple Airlines
Deal found 5/7$1,866
Tue 11/818:49
IAH
-
MEL
2 stops33h 31m
Multiple Airlines
Sat 22/807:30
MEL
-
IAH
2 stops28h 10m
Multiple Airlines
Deal found 7/7$1,929
Wed 21/1021:59
IAH
-
BNE
1 stop40h 01m
Multiple Airlines
Fri 13/1111:45
BNE
-
IAH
2 stops36h 10m
Multiple Airlines
Deal found 7/7$1,949

Find flight deals from George Bush Intcntl to Australia

Keep the following information in mind while searching for George Bush Intcntl to Australia flight deals. Data was last updated 8 July 2026.

Round-trip from

$1,567

One-way from

$874

Popular in

August

Cheapest in

November

Average price

$2,265
18/8-25/8
  • 18/8-25/8
  • 5 total stops
  • 66h 29m total
  • Houston to Australia
Search Deals
6/8
  • 6/8
  • 1 total stop
  • 23h 43m total
  • Houston to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($281 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($68 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from George Bush Intcntl 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, Cheapflights users made 647,157 searches. Data last updated 8 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

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 21/10

21:59-06:45

1 stop40h 46m

Melbourne

Tue 3/11

07:25-11:26

2 stops45h 01m

$2,004

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 21/10

06:09-06:45

2 stops32h 36m

Melbourne

Tue 3/11

23:15-16:44

2 stops34h 29m

$2,089

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 16/9

14:53-13:45

2 stops31h 52m

Melbourne

Wed 21/10

10:30-17:16

1 stop22h 46m

$2,089

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 1/11

19:55-10:00

1 stop22h 05m

Brisbane

Tue 1/12

11:15-14:15

1 stop19h 00m

$2,134

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Mon 23/11

18:31-10:55

2 stops47h 54m

Adelaide

Wed 2/12

06:05-14:15

2 stops24h 40m

$2,195

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Fri 6/11

19:55-10:00

1 stop22h 05m

Brisbane

Sun 29/11

11:15-14:15

1 stop19h 00m

$2,200

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 18/9

12:10-07:00

1 stop27h 50m

Sydney Kingsford Smith

Sat 10/10

11:55-15:25

1 stop19h 30m

$2,228

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 21/10

10:04-12:05

3 stops34h 01m

Melbourne

Tue 3/11

07:10-14:38

2 stops24h 28m

$2,251

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 4/8

16:50-13:55

2 stops30h 35m

Adelaide

Tue 11/8

17:15-22:11

3 stops43h 26m

$2,258

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Fri 13/11

12:16-10:55

2 stops30h 09m

Adelaide

Sun 29/11

12:05-14:15

1 stop18h 40m

$2,274

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from George Bush Intcntl to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from George Bush Intcntl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Australia

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Australia?

Currently, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $216). Flying from Houston George Bush Intcntl Airport to Australia in March is currently the most expensive (average of $1,239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

The price you pay for your flight from Houston George Bush Intcntl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston George Bush Intcntl Airport to Australia?

    For as low as $2,089, Alaska Airlines can have you in Australia from Houston George Bush Intcntl Airport in 31h 52m. Houston George Bush Intcntl Airport and Australia are separated by a distance of 14474 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Houston George Bush Intcntl Airport to Australia?

    While some choose either Houston George Bush Intcntl - Melbourne or Houston George Bush Intcntl - Brisbane, Houston George Bush Intcntl - Sydney Kingsford Smith is the most popular route from Houston George Bush Intcntl Airport to Australia.

  • Can I find deals for flights from George Bush Intcntl to Australia that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Australia.

  • Can I find deals for business class flights from George Bush Intcntl to Australia?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Australia?

    Currently, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $216). Flying from Houston George Bush Intcntl Airport to Australia in March is currently the most expensive (average of $1,239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Australia?

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