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Cheap flights from Houston George Bush Intcntl Airport to Australia from $662

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
18 jun — 25 jun1
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 13 junho 2025.

Round-trip from

$1,558

One-way from

$662

Popular in

December

Cheapest in

March

Average price

$1,836
Air New Zealand
  • Air New Zealand
  • 11/8-25/8
  • 4 total stops
  • 59h 56m total
  • Houston to Australia
Search Deals
Delta
  • Delta
  • 29/11
  • 2 total stops
  • 31h 45m total
  • Houston to Australia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($717 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($135 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 13 junho 2025.

seg 11/812:00IAH - MEL
2 stops31h 50mAir New Zealand
seg 25/808:35MEL - IAH
2 stops28h 06mAir New Zealand
Deal found 11/6$1,558
ter 2/909:44IAH - MEL
2 stops35h 36mAir Canada
sex 12/906:00MEL - IAH
2 stops24h 42mAir Canada
Deal found 11/6$1,575
ter 5/821:55IAH - BNE
1 stop19h 35mAir New Zealand
ter 9/912:15BNE - IAH
1 stop19h 00mAir New Zealand
Deal found 12/6$1,604
sex 24/1005:45IAH - SYD
2 stops34h 35mMultiple Airlines
ter 4/1106:00SYD - IAH
2 stops35h 19mMultiple Airlines
Deal found 10/6$1,623
qua 30/721:55IAH - SYD
1 stop19h 50mAir New Zealand
sáb 9/818:20SYD - IAH
1 stop36h 55mAir New Zealand
Deal found 10/6$1,650
qua 8/1016:00IAH - SYD
1 stop23h 35mDelta
seg 20/1010:25SYD - IAH
1 stop29h 05mDelta
Deal found 12/6$1,652
sáb 16/818:50IAH - SYD
2 stops25h 55mFiji Airways
sáb 30/813:45SYD - IAH
2 stops21h 21mFiji Airways
Deal found 9/6$1,661
qua 24/910:00IAH - SYD
3 stops54h 20mAir Canada
qui 2/1009:20SYD - IAH
2 stops43h 11mAir Canada
Deal found 11/6$1,690
sáb 22/1116:25IAH - BNE
1 stop24h 15mAir Canada
sáb 29/1110:45BNE - IAH
2 stops37h 47mAir Canada
Deal found 12/6$1,693
ter 12/814:44IAH - BNE
3 stops28h 41mMultiple Airlines
qui 4/906:00BNE - IAH
3 stops33h 19mMultiple Airlines
Deal found 12/6$1,706
qua 10/916:55IAH - MEL
2 stops26h 40mMultiple Airlines
qua 24/920:30MEL - IAH
3 stops40h 39mMultiple Airlines
Deal found 12/6$1,778
dom 26/1021:05IAH - ADL
1 stop22h 20mAir New Zealand
seg 5/107:55ADL - IAH
2 stops32h 34mAir New Zealand
Deal found 13/6$1,974

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 13 junho 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

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

seg 11/8

12:00-10:50

2 stops31h 50m

Melbourne

seg 25/8

08:35-21:41

2 stops28h 06m

$1,558

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

ter 12/8

18:50-19:20

2 stops33h 30m

Melbourne

qui 4/9

07:30-20:12

2 stops27h 42m

$1,561

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

ter 2/9

09:44-12:20

2 stops35h 36m

Melbourne

sex 12/9

06:00-15:42

2 stops24h 42m

$1,575

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

ter 5/8

21:55-08:30

1 stop19h 35m

Brisbane

ter 9/9

12:15-16:15

1 stop19h 00m

$1,604

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

sex 24/10

05:45-08:20

2 stops34h 35m

Sydney Kingsford Smith

ter 4/11

06:00-00:19

2 stops35h 19m

$1,623

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

qua 30/7

21:55-08:45

1 stop19h 50m

Sydney Kingsford Smith

sáb 9/8

18:20-16:15

1 stop36h 55m

$1,650

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

qua 8/10

16:00-07:35

1 stop23h 35m

Sydney Kingsford Smith

seg 20/10

10:25-23:30

1 stop29h 05m

$1,652

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

sáb 16/8

18:50-11:45

2 stops25h 55m

Sydney Kingsford Smith

sáb 30/8

13:45-20:06

2 stops21h 21m

$1,661

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

qua 24/9

10:00-07:20

3 stops54h 20m

Sydney Kingsford Smith

qui 2/10

09:20-13:31

2 stops43h 11m

$1,690

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

sáb 22/11

16:25-08:40

1 stop24h 15m

Brisbane

sáb 29/11

10:45-08:32

2 stops37h 47m

$1,693

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 13 junho 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 13 junho 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 ANA. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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
8.7
Very Good
64 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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
1,204 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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.
ANA
8.3
Very Good
882 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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
194 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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.
Emirates
8.1
Very Good
3,265 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Overall

8.7

Entertainment

7.3

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?

    $662 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Fiji Airways and Qantas Airways, with prices starting from $838 and $1,150, 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.

  • 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.

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