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Cheap flights from Houston George Bush Intcntl Airport to Australia from $878

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 12 November 2025.

Round-trip from

$1,481

One-way from

$852

Popular in

January

Cheapest in

July

Average price

$1,610

Good one-way deal

$1,446 or less
Fiji Airways
  • Fiji Airways
  • 5/5-14/5
  • 4 total stops
  • 46h 04m total
  • Houston to Australia
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5/2
  • 5/2
  • 2 total stops
  • 31h 35m total
  • Houston to Australia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($500 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($79 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Australia.
Search Deals

Find 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 12 November 2025.

Wed 26/1120:05IAH - SYD
1 stop21h 25mAir New Zealand
Wed 3/1211:45SYD - IAH
1 stop19h 20mAir New Zealand
Deal found 10/11$1,550
Tue 25/1110:39IAH - SYD
1 stop27h 46mMultiple Airlines
Sat 6/1211:20SYD - IAH
1 stop24h 52mMultiple Airlines
Deal found 11/11$1,563
Wed 26/1120:05IAH - SYD
1 stop23h 35mAir New Zealand
Sat 6/1219:15SYD - IAH
1 stop35h 50mAir New Zealand
Deal found 11/11$1,593
Wed 26/1118:05IAH - SYD
2 stops25h 30mMultiple Airlines
Wed 3/1214:00SYD - IAH
2 stops26h 15mMultiple Airlines
Deal found 10/11$1,599
Wed 26/1120:05IAH - SYD
1 stop19h 40mAir New Zealand
Fri 5/1209:55SYD - IAH
1 stop21h 10mAir New Zealand
Deal found 11/11$1,604
Wed 3/1205:00IAH - SYD
1 stop35h 00mMultiple Airlines
Mon 22/1211:20SYD - IAH
1 stop25h 34mMultiple Airlines
Deal found 9/11$1,641
Wed 3/1220:05IAH - SYD
1 stop19h 40mAir New Zealand
Wed 10/1219:15SYD - IAH
1 stop35h 50mAir New Zealand
Deal found 11/11$1,665
Mon 8/1220:05IAH - MEL
1 stop21h 50mAir New Zealand
Mon 15/1208:35MEL - IAH
2 stops26h 51mAir New Zealand
Deal found 10/11$1,673
Tue 18/1114:05IAH - SYD
1 stop24h 20mMultiple Airlines
Wed 3/1217:45SYD - IAH
1 stop22h 30mMultiple Airlines
Deal found 11/11$1,677
Fri 28/1120:05IAH - SYD
1 stop19h 40mAir New Zealand
Fri 5/1209:55SYD - IAH
1 stop21h 10mAir New Zealand
Deal found 11/11$1,696
Tue 9/1212:40IAH - MEL
2 stops27h 45mAir New Zealand
Mon 29/1211:30MEL - IAH
1 stop29h 29mAir New Zealand
Deal found 10/11$2,172
Wed 12/1114:24IAH - PER
2 stops42h 31mCathay Pacific
Thu 20/1108:30PER - IAH
2 stops47h 25mCathay Pacific
Deal found 11/11$2,174

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 12 November 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

Wed 18/2

14:37-08:45

2 stops50h 08m

Brisbane

Thu 12/3

09:45-21:39

2 stops26h 54m

$1,690

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Wed 15/4

17:25-11:10

2 stops27h 15m

Adelaide

Sun 19/4

21:20-19:02

2 stops36h 12m

$1,753

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 20/4

21:55-10:50

1 stop21h 55m

Melbourne

Mon 11/5

12:05-16:25

1 stop19h 20m

$1,779

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 16/2

20:05-10:55

1 stop21h 50m

Melbourne

Mon 23/2

10:35-14:05

1 stop20h 30m

$1,805

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sun 1/2

20:05-10:55

1 stop21h 50m

Melbourne

Thu 12/2

12:10-14:05

1 stop18h 55m

$1,841

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sun 1/2

17:25-14:15

2 stops27h 50m

Melbourne

Thu 12/2

08:00-21:44

3 stops30h 44m

$1,844

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 1/4

20:55-10:50

1 stop21h 55m

Melbourne

Wed 15/4

09:30-15:36

1 stop21h 06m

$1,851

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 2/4

20:55-07:30

1 stop19h 35m

Brisbane

Sun 10/5

19:35-16:25

1 stop35h 50m

$1,867

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 17/3

09:35-07:45

2 stops31h 10m

Brisbane

Fri 20/3

09:45-21:39

2 stops26h 54m

$1,877

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 3/3

12:10-08:45

2 stops28h 35m

Brisbane

Fri 6/3

10:45-21:39

2 stops26h 54m

$1,877

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 58 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 $398). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $1,304). 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 12 November 2025.

When flying from Houston George Bush Intcntl Airport to Australia, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 23% versus a flight in the evening.

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 12 November 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 $1,841, Air Canada can have you in Australia from Houston George Bush Intcntl Airport in 21h 50m. 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 - Melbourne Avalon, Houston George Bush Intcntl - Sydney Kingsford Smith 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 (100%), United Airlines (100%) and Lufthansa (100%).

  • 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 $651. On average you can expect to pay $1,685. The most popular route, (Houston George Bush Intcntl - Sydney Kingsford Smith), can usually be booked for $1,368.

  • 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 $398). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $1,304). 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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