Cheap flights from Houston George Bush Intcntl Airport to Australia from $715

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
25 Jan — 1 Feb1
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 26 December 2025.

Mon 29/1219:59IAH - SYD
1 stop42h 26mMultiple Airlines
Wed 21/117:00SYD - IAH
2 stops24h 19mMultiple Airlines
Deal found 24/12$2,052
Mon 29/1220:59IAH - SYD
1 stop41h 26mMultiple Airlines
Fri 23/113:50SYD - IAH
2 stops46h 33mMultiple Airlines
Deal found 24/12$2,061
Mon 29/1220:59IAH - SYD
1 stop41h 26mMultiple Airlines
Tue 20/114:00SYD - IAH
2 stops27h 19mMultiple Airlines
Deal found 24/12$2,100
Sun 28/1219:59IAH - SYD
1 stop42h 26mMultiple Airlines
Wed 21/117:00SYD - IAH
2 stops24h 19mMultiple Airlines
Deal found 24/12$2,112
Sun 28/1219:59IAH - SYD
1 stop42h 26mMultiple Airlines
Thu 22/118:25SYD - IAH
2 stops46h 54mMultiple Airlines
Deal found 24/12$2,120
Sun 28/1219:59IAH - SYD
1 stop42h 26mMultiple Airlines
Fri 23/113:50SYD - IAH
2 stops46h 33mMultiple Airlines
Deal found 24/12$2,122
Mon 29/1206:29IAH - SYD
2 stops45h 21mCathay Pacific
Tue 20/122:20SYD - IAH
2 stops39h 50mCathay Pacific
Deal found 24/12$2,159
Sun 28/1219:59IAH - SYD
1 stop42h 26mMultiple Airlines
Tue 20/114:00SYD - IAH
2 stops27h 19mMultiple Airlines
Deal found 24/12$2,161
Tue 30/1210:48IAH - SYD
2 stops27h 37mMultiple Airlines
Tue 20/117:45SYD - IAH
1 stop23h 34mMultiple Airlines
Deal found 24/12$2,182
Mon 29/1220:59IAH - SYD
1 stop41h 26mMultiple Airlines
Thu 22/117:45SYD - IAH
1 stop23h 34mMultiple Airlines
Deal found 24/12$2,225
Sun 28/1219:27IAH - SYD
2 stops32h 23mCathay Pacific
Wed 21/111:05SYD - IAH
2 stops51h 05mCathay Pacific
Deal found 24/12$2,234
Sat 27/1214:26IAH - BNE
2 stops50h 19mAir Canada
Tue 13/110:45BNE - IAH
2 stops38h 29mAir Canada
Deal found 24/12$2,497

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 26 December 2025.

Round-trip from

$1,265

One-way from

$715

Popular in

January

Cheapest in

July

Average price

$2,046

Good one-way deal

$815 or less
9/2-16/2
  • 9/2-16/2
  • 4 total stops
  • 62h 52m total
  • Houston to Australia
5/2
  • 5/2
  • 1 total stop
  • 22h 12m total
  • Houston to Australia
Highest demand for flights based on searches. 17% potential increase in price ($523 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($94 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a one-way flight from Houston George Bush Intcntl to Australia.

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 26 December 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

George Bush Intcntl

Fly to

Australia

Route

Depart

Return

Price

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 3/2

17:25-08:45

1 stop23h 20m

Brisbane

Tue 17/2

10:45-13:34

2 stops42h 49m

$1,392

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 9/2

17:25-08:45

1 stop23h 20m

Brisbane

Wed 25/2

10:45-16:24

1 stop21h 39m

$1,428

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sat 24/1

14:26-08:45

2 stops50h 19m

Brisbane

Sat 14/2

10:45-13:34

2 stops42h 49m

$1,445

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 5/3

16:20-08:45

2 stops48h 25m

Brisbane

Sun 15/3

09:45-13:34

2 stops42h 49m

$1,445

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Fri 13/3

16:20-07:45

2 stops48h 25m

Brisbane

Sun 22/3

09:45-13:34

2 stops42h 49m

$1,447

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 15/2

12:30-10:30

2 stops29h 00m

Sydney Kingsford Smith

Sun 1/3

19:15-14:05

1 stop35h 50m

$1,653

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sun 1/2

20:05-09:25

1 stop20h 20m

Melbourne

Tue 9/6

12:10-23:24

2 stops26h 14m

$1,678

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sun 22/3

17:25-19:10

2 stops34h 15m

Adelaide

Thu 26/3

06:10-16:24

2 stops25h 44m

$1,693

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sun 22/3

17:25-19:10

2 stops34h 15m

Adelaide

Fri 27/3

06:10-16:24

2 stops25h 44m

$1,693

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Mon 23/3

17:25-19:10

2 stops34h 15m

Adelaide

Thu 26/3

19:55-11:09

3 stops54h 44m

$1,709

Flights are sorted by cheapest return flights first.

Deals found on 26/12

Showing 1-10 of 60 results
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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, July is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $376). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $1,283). 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.

What is the cheapest time of day to fly from IAH to AU?

Find hourly flight availability from George Bush Intcntl to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 December 2025.

When flying from Houston George Bush Intcntl Airport to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Houston George Bush Intcntl Airport to Australia

Explore weekly flight availability from George Bush Intcntl to Australia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 26 December 2025.

The most flights from IAH to AU0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 $1,392, 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?

  • 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 (71%), United Airlines (71%) and Lufthansa (71%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Australia?

    The cheapest flight price from Houston George Bush Intcntl Airport to Australia is $815. On average you can expect to pay $815. The most popular route, (Houston George Bush Intcntl - Sydney Kingsford Smith), can usually be booked for $1,282.

  • 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, July is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $376). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $1,283). 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.

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