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Cheap flights from Houston George Bush Intcntl Airport to Australia from $663

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
10 May — 17 May1
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 10 April 2026.

Tue 5/506:00
IAH
-
SYD
2 stops38h 50m
Multiple Airlines
Tue 2/613:15
SYD
-
IAH
2 stops27h 10m
Multiple Airlines
Deal found 6/4$1,218
Wed 6/506:00
IAH
-
SYD
2 stops38h 50m
Multiple Airlines
Fri 15/513:15
SYD
-
IAH
2 stops27h 10m
Multiple Airlines
Deal found 9/4$1,242
Wed 6/506:00
IAH
-
MEL
2 stops39h 05m
Multiple Airlines
Wed 13/513:25
MEL
-
IAH
2 stops27h 00m
Multiple Airlines
Deal found 8/4$1,303
Mon 4/515:01
IAH
-
MEL
2 stops30h 24m
Multiple Airlines
Mon 11/513:30
MEL
-
IAH
2 stops26h 55m
Multiple Airlines
Deal found 6/4$1,334
Sat 24/1019:50
IAH
-
MEL
2 stops31h 10m
Multiple Airlines
Sat 7/1107:15
MEL
-
IAH
2 stops30h 17m
Multiple Airlines
Deal found 6/4$1,459
Thu 3/919:50
IAH
-
MEL
2 stops32h 30m
Multiple Airlines
Sat 12/907:30
MEL
-
IAH
2 stops28h 00m
Multiple Airlines
Deal found 5/4$1,500
Sun 3/514:36
IAH
-
MEL
2 stops30h 49m
Multiple Airlines
Sun 10/513:30
MEL
-
IAH
2 stops26h 55m
Multiple Airlines
Deal found 5/4$1,592
Sat 17/1019:50
IAH
-
MEL
2 stops31h 30m
Multiple Airlines
Sat 31/1007:15
MEL
-
IAH
2 stops29h 15m
Multiple Airlines
Deal found 6/4$1,629
Sat 16/516:07
IAH
-
MEL
2 stops28h 53m
Multiple Airlines
Sun 24/513:30
MEL
-
IAH
3 stops35h 47m
Multiple Airlines
Deal found 6/4$1,637
Sun 24/520:33
IAH
-
SYD
2 stops24h 17m
Multiple Airlines
Sun 31/513:15
SYD
-
IAH
2 stops30h 35m
Multiple Airlines
Deal found 9/4$1,643
Tue 5/516:07
IAH
-
SYD
2 stops28h 43m
Multiple Airlines
Tue 12/517:50
SYD
-
IAH
1 stop36h 21m
Multiple Airlines
Deal found 7/4$1,721
Sat 9/516:07
IAH
-
SYD
2 stops28h 43m
Multiple Airlines
Mon 18/517:50
SYD
-
IAH
1 stop26h 00m
Multiple Airlines
Deal found 9/4$1,772

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 10 April 2026.

Round-trip from

$1,218

One-way from

$663

Popular in

January

Cheapest in

July

Average price

$2,472
5/5-2/6
  • 5/5-2/6
  • 4 total stops
  • 66h 00m total
  • Houston to Australia
Search Deals
9/6
  • 9/6
  • 2 total stops
  • 38h 40m total
  • Houston to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($354 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($74 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 10 April 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

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 24/9

16:45-07:05

1 stop23h 20m

Brisbane

Sun 4/10

10:00-15:37

1 stop20h 37m

$1,874

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 12/5

16:07-10:40

2 stops27h 33m

Brisbane

Wed 27/5

11:00-16:25

1 stop20h 25m

$2,062

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 3/6

16:25-13:45

2 stops30h 20m

Melbourne

Wed 1/7

09:30-15:40

1 stop21h 10m

$2,121

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 28/5

17:57-18:50

2 stops33h 53m

Sydney Kingsford Smith

Sun 7/6

20:45-13:46

2 stops32h 01m

$2,142

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 27/5

17:57-18:50

2 stops33h 53m

Sydney Kingsford Smith

Sun 7/6

20:45-13:46

2 stops32h 01m

$2,142

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sat 16/5

16:07-19:20

2 stops36h 13m

Melbourne

Mon 25/5

09:45-15:12

1 stop20h 27m

$2,147

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 24/6

14:04-06:45

2 stops25h 41m

Melbourne

Wed 8/7

09:45-19:38

1 stop24h 53m

$2,167

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 12/5

19:41-11:30

2 stops24h 49m

Brisbane

Wed 27/5

20:35-09:47

2 stops28h 12m

$2,215

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 25/6

21:55-11:05

1 stop22h 10m

Brisbane

Wed 15/7

12:20-20:49

2 stops23h 29m

$2,227

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 25/6

16:16-05:00

2 stops21h 44m

Brisbane

Wed 15/7

20:35-08:33

2 stops26h 58m

$2,241

Flights are sorted by cheapest return flights first.

Deals found on 5/4

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, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $282). Flying from Houston George Bush Intcntl Airport to Australia in March is currently the most expensive (average of $1,451). 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.

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 $1,874, Air Canada can have you in Australia from Houston George Bush Intcntl Airport in 23h 20m. Houston George Bush Intcntl Airport and Australia are separated by a distance of 13425 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 - Sydney Kingsford Smith or Houston George Bush Intcntl - Melbourne Avalon, Houston George Bush Intcntl - Melbourne is the most popular route from Houston George Bush Intcntl Airport to Australia.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Australia?

    The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to Australia are Virgin Australia (85%), United Airlines (85%) and Lufthansa (85%).

  • 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, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $282). Flying from Houston George Bush Intcntl Airport to Australia in March is currently the most expensive (average of $1,451). 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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Australia from George Bush Intcntl.

Can Cheapflights find flights from George Bush Intcntl to Australia with no change fees?

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