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$522+ Cheap flights from George Bush Intcntl (IAH) to Australia

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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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 April 25, 2025.

Round-trip from

$953
(StudentUniverse)

One-way from

$522
(Fiji Airways)

Popular in

December

Cheapest in

May

Average price

$1,051

Good round-trip deal

$1,918 or less
From Houston George Bush Intcntl to Australia
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One-way flight from Houston George Bush Intcntl to Australia
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Highest demand for flights based on searches. 18% potential increase in price ($275 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Australia.
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Find flight deals from George Bush Intcntl to Australia

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 April 25, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/179:55 pmIAH - SYD
1 stop19h 50mAir New Zealand
Sun 8/3111:50 amSYD - IAH
1 stop19h 25mAir New Zealand
Deal found 4/23$953
This StudentUniverse deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:37 pmIAH - SYD
2 stops25h 08mFiji Airways
Tue 6/101:15 pmSYD - IAH
2 stops21h 55mFiji Airways
Deal found 4/25$987
This KAYAK deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:15 pmIAH - MEL
2 stops28h 30mAir New Zealand
Mon 8/2512:05 pmMEL - IAH
2 stops27h 40mAir New Zealand
Deal found 4/25$1,022
This Fiji Airways deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:29 pmIAH - SYD
2 stops26h 16mMultiple Airlines
Tue 5/271:15 pmSYD - IAH
2 stops24h 29mMultiple Airlines
Deal found 4/25$1,152
This StudentUniverse deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:55 pmIAH - BNE
1 stop22h 05mAir New Zealand
Wed 9/179:45 amBNE - IAH
1 stop21h 30mAir New Zealand
Deal found 4/23$1,195
This oojo deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:05 pmIAH - ADL
2 stops26h 50mAir New Zealand
Sun 1/47:55 amADL - IAH
2 stops22h 40mAir New Zealand
Deal found 4/25$1,233
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:37 pmIAH - BNE
2 stops23h 58mFiji Airways
Tue 6/1011:40 amBNE - IAH
2 stops23h 30mFiji Airways
Deal found 4/24$1,234
This Qantas Airways deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:40 pmIAH - SYD
2 stops26h 05mQantas Airways
Tue 11/186:05 amSYD - IAH
2 stops24h 28mQantas Airways
Deal found 4/24$1,236
This oojo deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:37 pmIAH - MEL
2 stops32h 43mMultiple Airlines
Thu 6/57:30 amMEL - IAH
2 stops27h 40mMultiple Airlines
Deal found 4/25$1,294
This Air Canada deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:00 amIAH - SYD
3 stops54h 20mAir Canada
Tue 11/1111:20 amSYD - IAH
2 stops43h 09mAir Canada
Deal found 4/25$1,308
This FlightHub deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:55 pmIAH - PER
2 stops36h 00mAir New Zealand
Sat 10/187:50 pmPER - IAH
1 stop32h 25mAir New Zealand
Deal found 4/25$1,317
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:00 amIAH - SYD
2 stops46h 45mAlaska Airlines
Thu 10/29:40 pmSYD - IAH
2 stops23h 44mAlaska Airlines
Deal found 4/25$1,361

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 25, 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

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 8/17

9:55 pm-8:45 am

1 stop19h 50m

Sydney Kingsford Smith

Sun 8/31

11:50 am-4:15 pm

1 stop19h 25m

$953

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 6/3

7:37 pm-11:45 am

2 stops25h 08m

Sydney Kingsford Smith

Tue 6/10

1:15 pm-8:10 pm

2 stops21h 55m

$987

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 8/11

6:15 pm-1:45 pm

2 stops28h 30m

Melbourne

Mon 8/25

12:05 pm-12:45 am

2 stops27h 40m

$1,022

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 5/20

6:29 pm-11:45 am

2 stops26h 16m

Sydney Kingsford Smith

Tue 5/27

1:15 pm-10:44 pm

2 stops24h 29m

$1,152

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Fri 9/5

9:55 pm-11:00 am

1 stop22h 05m

Brisbane

Wed 9/17

9:45 am-4:15 pm

1 stop21h 30m

$1,195

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 5/22

7:37 pm-10:35 am

2 stops23h 58m

Brisbane

Tue 6/10

11:40 am-8:10 pm

2 stops23h 30m

$1,234

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 5/20

7:37 pm-7:20 pm

2 stops32h 43m

Melbourne

Thu 6/5

7:30 am-8:10 pm

2 stops27h 40m

$1,294

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/21

10:00 am-8:20 am

3 stops54h 20m

Sydney Kingsford Smith

Tue 11/11

11:20 am-1:29 pm

2 stops43h 09m

$1,308

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Sun 10/5

8:55 pm-9:55 pm

2 stops36h 00m

Perth

Sat 10/18

7:50 pm-3:15 pm

1 stop32h 25m

$1,317

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 9/25

6:00 am-7:45 pm

2 stops46h 45m

Sydney Kingsford Smith

Thu 10/2

9:40 pm-6:24 am

2 stops23h 44m

$1,361

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 54 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 round-trip 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $1,046). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $1,643). 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 April 25, 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.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated April 25, 2025.
See what other customers who have flown with Air Tahiti Nui, EVA Air and Korean Air from Houston to Australia have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
EVA Air
8.4
Very good
1,180 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very good
1,063 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
188 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,290 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Entertainment

7.3

Comfort

8.1

Crew

9.1

Overall

8.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Australia one-way?

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $577. However, be on the lookout for offers from Air New Zealand and Qantas Airways, as they are both options that can get you from Houston George Bush Intcntl Airport to Australia for a low price.

  • 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.

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

    Consider Virgin Australia (78%), United Airlines (78%) or Lufthansa (78%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to Australia.

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

    Looking for the cheapest flight from Houston George Bush Intcntl Airport to Australia? While on average our users pay $2,191, our data indicates the cheapest price to be $1,439. The most popular route (Houston George Bush Intcntl - Sydney Kingsford Smith), is priced around $953.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $1,046). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $1,643). 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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Alternative routes for George Bush Intcntl to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from George Bush Intcntl to Australia

Discover the top 7 airlines that operate flights from George Bush Intcntl to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$675Average$1,106FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$685Average$1,047FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$832Average$1,462FlexibilityNo cancel feeOn-time78%
DeltaCheapest$847Average$1,034FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$868Average$1,833FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$911Average$1,749FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$972Average$1,254FlexibilityNo cancel feeOn-time67%

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