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Cheap flights from Houston George Bush Intcntl Airport to Australia from $817

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

$1,502

One-way from

$817

Popular in

December

Cheapest in

May

Average price

$1,641
Air New Zealand
  • Air New Zealand
  • 10/9-24/9
  • 2 total stops
  • 41h 05m total
  • Houston to Australia
Search Deals
18/9
  • 18/9
  • 2 total stops
  • 26h 07m total
  • Houston to Australia
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($671 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($133 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 30 April 2025.

Sun 22/616:30IAH - SYD
1 stop23h 05mDelta
Sun 29/609:25SYD - IAH
1 stop19h 42mDelta
Deal found 30/4$1,457
Wed 10/921:55IAH - SYD
1 stop21h 40mAir New Zealand
Wed 24/911:50SYD - IAH
1 stop19h 25mAir New Zealand
Deal found 29/4$1,502
Tue 13/519:37IAH - SYD
2 stops25h 08mFiji Airways
Tue 20/513:15SYD - IAH
2 stops23h 42mFiji Airways
Deal found 29/4$1,541
Mon 15/915:37IAH - MEL
2 stops31h 08mAir New Zealand
Mon 29/911:05MEL - IAH
2 stops25h 25mAir New Zealand
Deal found 29/4$1,552
Wed 26/1116:40IAH - SYD
2 stops23h 40mQantas Airways
Wed 10/1207:30SYD - IAH
2 stops23h 01mQantas Airways
Deal found 29/4$1,742
Thu 4/907:20IAH - SYD
3 stops40h 20mMultiple Airlines
Sun 14/906:00SYD - IAH
2 stops33h 19mMultiple Airlines
Deal found 29/4$1,746
Sat 8/1118:20IAH - CNS
2 stops25h 00mMultiple Airlines
Wed 19/1117:40CNS - IAH
2 stops38h 14mMultiple Airlines
Deal found 29/4$1,850
Tue 10/608:57IAH - MEL
2 stops35h 33mMultiple Airlines
Tue 17/612:55MEL - IAH
2 stops31h 05mMultiple Airlines
Deal found 29/4$1,891
Thu 25/920:28IAH - BNE
2 stops23h 07mFiji Airways
Tue 30/911:35BNE - IAH
2 stops23h 29mFiji Airways
Deal found 28/4$1,902
Sun 26/1021:35IAH - ADL
2 stops45h 45mAir New Zealand
Mon 5/107:55ADL - IAH
2 stops22h 40mAir New Zealand
Deal found 30/4$1,924
Thu 24/721:55IAH - CBR
2 stops28h 10mAir New Zealand
Thu 7/806:05CBR - IAH
2 stops25h 10mAir New Zealand
Deal found 30/4$1,980
Sat 8/1109:40IAH - CNS
3 stops45h 05mAir New Zealand
Wed 19/1106:00CNS - IAH
3 stops33h 59mAir New Zealand
Deal found 29/4$1,994

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 30 April 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

Wed 10/9

21:55-10:35

1 stop21h 40m

Sydney Kingsford Smith

Wed 24/9

11:50-16:15

1 stop19h 25m

$1,502

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 13/5

19:37-11:45

2 stops25h 08m

Sydney Kingsford Smith

Tue 20/5

13:15-21:57

2 stops23h 42m

$1,541

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 15/9

15:37-13:45

2 stops31h 08m

Melbourne

Mon 29/9

11:05-21:30

2 stops25h 25m

$1,552

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 4/9

07:20-14:40

3 stops40h 20m

Sydney Kingsford Smith

Sun 14/9

06:00-00:19

2 stops33h 19m

$1,746

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 10/6

08:57-11:30

2 stops35h 33m

Melbourne

Tue 17/6

12:55-05:00

2 stops31h 05m

$1,891

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 25/9

20:28-10:35

2 stops23h 07m

Brisbane

Tue 30/9

11:35-20:04

2 stops23h 29m

$1,902

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sun 26/10

21:35-10:50

2 stops45h 45m

Adelaide

Mon 5/1

07:55-14:05

2 stops22h 40m

$1,924

HoustonCanberra

IAH - CBR

IAHCBR

Houston George Bush Intcntl

Thu 24/7

21:55-17:05

2 stops28h 10m

Canberra

Thu 7/8

06:05-16:15

2 stops25h 10m

$1,980

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Thu 12/6

19:31-11:35

2 stops25h 34m

Adelaide

Thu 19/6

12:35-20:10

2 stops22h 05m

$2,034

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Sat 11/10

20:09-16:00

2 stops54h 51m

Perth

Tue 11/11

18:50-14:05

1 stop33h 15m

$2,091

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 56 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, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $129). Flying from Houston George Bush Intcntl Airport to Australia in October is currently the most expensive (average of $171). 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 30 April 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 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 30 April 2025.
To help decide which airline to fly from Houston to Australia, see what other customers have to say about Air Tahiti Nui, EVA Air and Korean Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Boarding

8.7

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
Check prices

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Boarding

8.7

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
1,186 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Boarding

8.7

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
1,068 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Boarding

8.7

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
190 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Boarding

8.7

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
1,292 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Boarding

8.7

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?

    $901 is the cheapest one-way deal found within the past few days, from Fiji Airways. You may also be able to find cheap deals on Air New Zealand and Qantas Airways, with prices starting from $1,048 and $1,219, respectively.

  • 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?

    The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to Australia are Virgin Australia (78%), United Airlines (78%) and Lufthansa (78%).

  • 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 $129). Flying from Houston George Bush Intcntl Airport to Australia in October is currently the most expensive (average of $171). 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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Top airline flying from George Bush Intcntl to Australia

Discover the top airline 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 647,157 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,164Average$2,455FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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