Australia

$596+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Jul 11 — Jul 181
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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 11, 2026.

This Trip.com deal was found by Cheapflights users on 6/9. 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.
Tue 8/44:02 pm
IAH
-
MEL
2 stops28h 58m
Multiple Airlines
Fri 8/141:30 pm
MEL
-
IAH
2 stops25h 26m
Multiple Airlines
Deal found 6/9$1,066
This Trip.com deal was found by Cheapflights users on 6/7. 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 7/276:10 am
IAH
-
SYD
2 stops38h 40m
Multiple Airlines
Sun 8/92:10 pm
SYD
-
IAH
2 stops24h 46m
Multiple Airlines
Deal found 6/7$1,105
This Trip.com deal was found by Cheapflights users on 6/7. 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 7/294:02 pm
IAH
-
MEL
2 stops28h 58m
Multiple Airlines
Wed 8/261:25 pm
MEL
-
IAH
3 stops35h 42m
Multiple Airlines
Deal found 6/7$1,206
This Trip.com deal was found by Cheapflights users on 6/8. 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 7/16:10 am
IAH
-
MEL
2 stops38h 50m
Multiple Airlines
Tue 7/71:25 pm
MEL
-
IAH
3 stops46h 38m
Multiple Airlines
Deal found 6/8$1,222
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Wed 10/149:59 pm
IAH
-
SYD
1 stop41h 31m
Multiple Airlines
Tue 10/279:40 pm
SYD
-
IAH
2 stops29h 46m
Multiple Airlines
Deal found 6/9$1,232
This Kiwi.com deal was found by Cheapflights users on 6/10. 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
-
MEL
1 stop43h 15m
Multiple Airlines
Mon 11/1611:15 pm
MEL
-
IAH
1 stop29h 11m
Multiple Airlines
Deal found 6/10$1,270
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 11/59:15 pm
IAH
-
MEL
1 stop43h 15m
Multiple Airlines
Mon 11/1611:15 pm
MEL
-
IAH
1 stop29h 11m
Multiple Airlines
Deal found 6/10$1,272
This Kiwi.com deal was found by Cheapflights users on 6/10. 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
-
MEL
1 stop43h 15m
Multiple Airlines
Sun 11/1511:15 pm
MEL
-
IAH
1 stop29h 11m
Multiple Airlines
Deal found 6/10$1,275
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 11/59:15 pm
IAH
-
MEL
1 stop43h 15m
Multiple Airlines
Sun 11/1511:15 pm
MEL
-
IAH
1 stop29h 11m
Multiple Airlines
Deal found 6/10$1,277
This Trip.com deal was found by Cheapflights users on 6/8. 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 7/64:02 pm
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Tue 7/211:15 pm
SYD
-
IAH
2 stops25h 41m
Multiple Airlines
Deal found 6/8$1,281
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Wed 9/99:55 pm
IAH
-
SYD
1 stop42h 35m
Multiple Airlines
Wed 9/305:50 pm
SYD
-
IAH
1 stop32h 36m
Multiple Airlines
Deal found 6/10$1,282
This Trip.com deal was found by Cheapflights users on 6/9. 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.
Sun 6/216:10 am
IAH
-
SYD
2 stops38h 40m
Multiple Airlines
Sun 7/56:00 am
SYD
-
IAH
3 stops43h 34m
Multiple Airlines
Deal found 6/9$1,289

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 11, 2026.

Round-trip from

$1,066
(Trip.com)

One-way from

$596
(Kiwi.com)

Popular in

January

Cheapest in

July

Average price

$1,566

Good one-way deal

$1,043 or less
From Houston George Bush Intcntl to Australia
One-way flight from Houston George Bush Intcntl to Australia
Highest demand for flights based on searches. 13% potential increase in price ($198 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a one-way flight from Houston George Bush Intcntl to Australia.

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 11, 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

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 10/5

4:30 pm-8:30 am

1 stop24h 00m

Melbourne

Tue 10/20

8:35 am-3:25 pm

1 stop22h 50m

$1,489

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 7/29

5:25 pm-7:05 am

1 stop22h 40m

Brisbane

Wed 8/12

10:00 am-1:23 pm

2 stops42h 23m

$1,495

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Mon 6/29

10:03 pm-7:50 am

2 stops42h 47m

Coolangatta Gold Coast

Wed 7/29

11:55 am-8:49 pm

2 stops23h 54m

$1,509

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 8/4

4:02 pm-10:40 am

2 stops27h 38m

Brisbane

Sun 11/1

11:25 am-1:19 pm

3 stops40h 54m

$1,527

HoustonCairns

IAH - CNS

IAHCNS

Houston George Bush Intcntl

Sat 8/1

10:45 am-4:30 am

1 stop26h 45m

Cairns

Sat 8/8

12:40 pm-11:56 pm

2 stops26h 16m

$1,534

HoustonCairns

IAH - CNS

IAHCNS

Houston George Bush Intcntl

Wed 11/11

6:10 pm-5:25 pm

2 stops31h 15m

Cairns

Sun 11/15

6:00 am-2:38 pm

2 stops24h 38m

$1,548

HoustonCairns

IAH - CNS

IAHCNS

Houston George Bush Intcntl

Mon 11/2

6:10 pm-5:25 pm

2 stops31h 15m

Cairns

Tue 11/17

6:00 am-2:38 pm

2 stops24h 38m

$1,549

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 10/5

4:45 pm-1:35 pm

2 stops28h 50m

Melbourne

Tue 10/20

6:00 am-3:37 pm

2 stops25h 37m

$1,557

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 8/20

9:55 pm-11:05 am

1 stop22h 10m

Brisbane

Wed 9/9

12:20 pm-4:25 pm

1 stop19h 05m

$1,564

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 11/3

2:30 pm-10:55 am

2 stops27h 25m

Melbourne

Sat 11/14

10:35 am-8:24 pm

2 stops26h 49m

$1,568

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

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 46 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 11, 2026.
Read reviews from past customers who have flown Air New Zealand,Qantas Airways, 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.

Food

7.4

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Entertainment

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

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 22h 40m. Your travel time can differ by up to 32h 20m. 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?

  • 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 $1,240, our data indicates the cheapest price to be $1,043. The most popular route (Houston George Bush Intcntl - Sydney Kingsford Smith), is priced around $1,012.

  • 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 11, 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$1,495FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$844Average$900FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$849Average$1,692FlexibilityNo cancel feeOn-time69%

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