Australia

$463+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Feb 25 — Mar 41
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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 January 26, 2026.

This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:34 pm
IAH
-
SYD
2 stops28h 01m
Multiple Airlines
Wed 3/256:00 am
SYD
-
IAH
2 stops34h 11m
Multiple Airlines
Deal found 1/25$920
This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:34 pm
IAH
-
SYD
2 stops28h 01m
Multiple Airlines
Wed 3/182:00 pm
SYD
-
IAH
2 stops26h 11m
Multiple Airlines
Deal found 1/25$933
This Trip.com deal was found by Cheapflights users on 1/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/134:34 pm
IAH
-
SYD
2 stops27h 01m
Multiple Airlines
Sat 2/286:00 am
SYD
-
IAH
2 stops35h 30m
Multiple Airlines
Deal found 1/24$935
This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:34 pm
IAH
-
MEL
2 stops27h 11m
Multiple Airlines
Wed 3/181:45 pm
MEL
-
IAH
2 stops26h 26m
Multiple Airlines
Deal found 1/25$951
This Trip.com deal was found by Cheapflights users on 1/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:34 pm
IAH
-
SYD
2 stops27h 01m
Multiple Airlines
Sun 3/82:00 pm
SYD
-
IAH
2 stops26h 30m
Multiple Airlines
Deal found 1/23$957
This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:34 pm
IAH
-
ADL
2 stops27h 11m
Multiple Airlines
Thu 3/261:15 pm
ADL
-
IAH
2 stops26h 26m
Multiple Airlines
Deal found 1/25$960
This Trip.com deal was found by Cheapflights users on 1/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/94:08 pm
IAH
-
SYD
1 stop23h 52m
Multiple Airlines
Tue 2/177:05 am
SYD
-
IAH
2 stops34h 25m
Multiple Airlines
Deal found 1/24$973
This Trip.com deal was found by Cheapflights users on 1/26. 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 2/224:34 pm
IAH
-
SYD
2 stops36h 31m
Multiple Airlines
Wed 3/42:00 pm
SYD
-
IAH
2 stops27h 30m
Multiple Airlines
Deal found 1/26$989
This Trip.com deal was found by Cheapflights users on 1/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:34 pm
IAH
-
BNE
2 stops26h 51m
Multiple Airlines
Wed 3/1811:25 am
BNE
-
IAH
2 stops27h 46m
Multiple Airlines
Deal found 1/24$996
This Priceline deal was found by Cheapflights users on 1/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:25 pm
IAH
-
BNE
1 stop22h 40m
Air Canada
Wed 4/810:00 am
BNE
-
IAH
2 stops42h 34m
Air Canada
Deal found 1/23$1,000
This Air Canada deal was found by Cheapflights users on 1/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:25 pm
IAH
-
BNE
1 stop23h 20m
Air Canada
Wed 3/189:45 am
BNE
-
IAH
2 stops42h 49m
Air Canada
Deal found 1/24$1,001
This Trip.com deal was found by Cheapflights users on 1/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:34 pm
IAH
-
MEL
2 stops26h 51m
Multiple Airlines
Wed 3/111:45 pm
MEL
-
IAH
2 stops26h 45m
Multiple Airlines
Deal found 1/25$1,002

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 January 26, 2026.

Round-trip from

$920
(Trip.com)

One-way from

$463
(Kiwi.com)

Popular in

January

Cheapest in

July

Average price

$1,473

Good round-trip deal

$1,574 or less

Good one-way deal

$1,010 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. 14% potential increase in price ($202 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Houston George Bush Intcntl to Australia.
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 January 26, 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

George Bush Intcntl

Fly to

Australia

Route

Depart

Return

Price

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sun 3/1

4:34 pm-12:45 pm

2 stops27h 11m

Melbourne

Wed 3/18

1:45 pm-12:11 am

2 stops26h 26m

$951

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 2/27

4:34 pm-12:35 pm

2 stops27h 01m

Sydney Kingsford Smith

Sun 3/8

2:00 pm-11:30 pm

2 stops26h 30m

$957

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 2/24

4:34 pm-12:15 pm

2 stops27h 11m

Adelaide

Thu 3/26

1:15 pm-12:11 am

2 stops26h 26m

$960

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 2/9

4:08 pm-9:00 am

1 stop23h 52m

Sydney Kingsford Smith

Tue 2/17

7:05 am-12:30 am

2 stops34h 25m

$973

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 4/1

5:25 pm-7:05 am

1 stop22h 40m

Brisbane

Wed 4/8

10:00 am-1:34 pm

2 stops42h 34m

$1,000

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 4/12

4:32 pm-7:05 am

2 stops47h 33m

Brisbane

Sun 5/3

10:00 am-1:34 pm

2 stops42h 34m

$1,027

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 4/8

9:30 am-7:05 am

2 stops30h 35m

Brisbane

Mon 5/4

10:00 am-1:34 pm

2 stops42h 34m

$1,027

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 4/14

9:30 am-7:05 am

2 stops30h 35m

Brisbane

Tue 5/5

10:00 am-7:10 pm

2 stops24h 10m

$1,050

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 4/12

9:35 am-7:05 am

1 stop30h 30m

Brisbane

Tue 5/5

10:00 am-7:10 pm

2 stops24h 10m

$1,050

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 2/9

12:10 pm-8:45 am

2 stops28h 35m

Brisbane

Wed 2/25

10:45 am-1:34 pm

2 stops42h 49m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 57 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, July is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $244). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $854). 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 January 26, 2026.

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.

Weekly flight availability from Houston George Bush Intcntl Airport to Australia

Explore weekly flight availability from George Bush Intcntl to Australia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 26, 2026.

The most flights from IAH to AU0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 January 26, 2026.
Read reviews from past customers who have flown Fiji Airways, Air New Zealand, and United 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

Comfort

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

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 Canada, Fiji Airways, and Air New Zealand can get you from Houston George Bush Intcntl Airport to Australia in just under 22h. Your travel time can differ by up to 12h 11m. There are 8994 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 $385. However, be on the lookout for offers from Qantas 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 most reliable airlines from Houston George Bush Intcntl Airport to Australia?

    Consider Virgin Australia (72%), United Airlines (72%) or Lufthansa (72%) 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 $1,675, our data indicates the cheapest price to be $945. The most popular route (Houston George Bush Intcntl - Sydney Kingsford Smith), is priced around $868.

  • 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, July is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $244). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $854). 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 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$337Average$963FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$750Average$1,185FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$783Average$1,261FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$799Average$923FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$820Average$1,054FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$849Average$1,689FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$983Average$1,161FlexibilityNo cancel feeOn-time74%

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