Australia

$590+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Jul 6 — Jul 131
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Cheap 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 June 6, 2026.

This Trip.com deal was found by Cheapflights users on 6/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:21 pm
IAH
-
MEL
2 stops28h 39m
Multiple Airlines
Wed 7/81:25 pm
MEL
-
IAH
2 stops25h 31m
Multiple Airlines
Deal found 6/3$1,189
This Trip.com deal was found by Cheapflights users on 6/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/294:21 pm
IAH
-
MEL
2 stops29h 04m
Multiple Airlines
Mon 7/61:30 pm
MEL
-
IAH
2 stops25h 26m
Multiple Airlines
Deal found 6/1$1,203
This Jetabroad deal was found by Cheapflights users on 6/1. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:50 pm
IAH
-
MEL
2 stops33h 30m
Multiple Airlines
Sat 8/227:30 am
MEL
-
IAH
2 stops28h 10m
Multiple Airlines
Deal found 6/1$1,207
This flugladen.de deal was found by Cheapflights users on 6/2. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:02 pm
IAH
-
SYD
1 stop24h 03m
Multiple Airlines
Sat 8/159:10 am
SYD
-
IAH
1 stop29h 46m
Multiple Airlines
Deal found 6/2$1,333
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/264:02 pm
IAH
-
SYD
1 stop24h 28m
Multiple Airlines
Mon 8/105:50 pm
SYD
-
IAH
1 stop21h 06m
Multiple Airlines
Deal found 6/2$1,374
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:02 pm
IAH
-
SYD
1 stop24h 28m
Multiple Airlines
Tue 8/185:50 pm
SYD
-
IAH
2 stops39h 19m
Multiple Airlines
Deal found 5/31$1,400
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:55 pm
IAH
-
SYD
1 stop42h 35m
Multiple Airlines
Mon 10/56:50 pm
SYD
-
IAH
1 stop32h 36m
Multiple Airlines
Deal found 6/2$1,403
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:15 pm
IAH
-
SYD
1 stop40h 10m
Multiple Airlines
Thu 11/129:40 pm
SYD
-
IAH
2 stops30h 46m
Multiple Airlines
Deal found 6/2$1,405
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/264:02 pm
IAH
-
SYD
1 stop24h 28m
Multiple Airlines
Sun 8/95:50 pm
SYD
-
IAH
1 stop21h 06m
Multiple Airlines
Deal found 6/4$1,408
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:10 am
IAH
-
SYD
1 stop34h 20m
Multiple Airlines
Wed 7/155:50 pm
SYD
-
IAH
1 stop21h 06m
Multiple Airlines
Deal found 6/2$1,424
This Trip.com deal was found by Cheapflights users on 6/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:02 pm
IAH
-
BNE
2 stops27h 33m
Multiple Airlines
Sun 7/2611:35 am
BNE
-
IAH
2 stops27h 21m
Multiple Airlines
Deal found 6/2$1,429
This oojo deal was found by Cheapflights users on 6/5. 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.
Mon 6/158:15 pm
IAH
-
MEL
2 stops47h 40m
Air New Zealand
Tue 7/148:35 am
MEL
-
IAH
2 stops29h 39m
Air New Zealand
Deal found 6/5$1,440

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 June 6, 2026.

Round-trip from

$1,189
(Trip.com)

One-way from

$590
(Kiwi.com)

Popular in

January

Cheapest in

July

Average price

$1,679
From Houston George Bush Intcntl to Australia
One-way flight from Houston George Bush Intcntl to Australia
Highest demand for flights based on searches. 11% potential increase in price ($178 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 6, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Mon 6/29

8:15 pm-7:50 am

2 stops44h 35m

Coolangatta Gold Coast

Wed 7/29

11:55 am-8:49 pm

2 stops23h 54m

$1,510

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 9/6

10:00 am-7:05 am

2 stops30h 05m

Brisbane

Mon 9/14

10:00 am-3:37 pm

1 stop20h 37m

$1,511

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sat 11/21

12:10 pm-8:45 am

2 stops28h 35m

Brisbane

Sun 11/29

10:45 am-2:38 pm

1 stop19h 53m

$1,512

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 11/3

12:00 pm-10:55 am

2 stops29h 55m

Melbourne

Sat 11/14

4:50 pm-2:05 pm

1 stop38h 15m

$1,537

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 11/19

2:55 pm-7:35 pm

2 stops35h 40m

Sydney Kingsford Smith

Thu 11/26

9:30 pm-7:05 pm

2 stops38h 35m

$1,574

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 11/19

2:55 pm-7:35 pm

2 stops35h 40m

Sydney Kingsford Smith

Tue 11/24

9:30 pm-1:10 pm

2 stops56h 40m

$1,574

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Fri 11/13

2:30 pm-10:55 am

2 stops27h 55m

Adelaide

Sun 11/29

6:25 am-2:05 pm

2 stops24h 10m

$1,602

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 7/26

10:00 am-7:20 am

2 stops30h 20m

Sydney Kingsford Smith

Mon 8/10

9:20 am-7:38 pm

3 stops49h 18m

$1,606

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Tue 10/27

12:00 pm-12:40 pm

3 stops33h 40m

Coolangatta Gold Coast

Sat 10/31

6:00 am-2:38 pm

2 stops23h 38m

$1,611

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 7/5

6:30 am-7:05 am

2 stops33h 35m

Brisbane

Sun 7/12

10:00 am-8:32 am

2 stops37h 32m

$1,679

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $150). Flying from Houston George Bush Intcntl Airport to Australia in March is currently the most expensive (average of $859). 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.

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Australia?

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 6, 2026.
Read reviews from past customers who have flown Air New Zealand,Delta, andUnited Airlines from Houston George Bush Intcntl Airport to Australia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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?

    Air New Zealand, Air Canada, and Turkish Airlines can get you from Houston George Bush Intcntl Airport to Australia in just under 30h 05m. Your travel time can differ by up to 14h 30m. There are 8342 mi between Houston George Bush Intcntl Airport and Australia. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $425. However, be on the lookout for offers from Fiji Airways and United Airlines, 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?

  • 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, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $150). Flying from Houston George Bush Intcntl Airport to Australia in March is currently the most expensive (average of $859). 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 6 airlines flying from George Bush Intcntl to Australia

Discover the top 6 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 June 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$850FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$750Average$1,185FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$794Average$841FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$830Average$1,472FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$844Average$900FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$849Average$1,692FlexibilityNo cancel feeOn-time69%

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