Australia

$509+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Jan 11 — Jan 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 December 12, 2025.

This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:27 pmIAH - MEL
2 stops30h 18mMultiple Airlines
Sat 1/177:00 amMEL - IAH
2 stops29h 28mMultiple Airlines
Deal found 12/10$1,279
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:54 pmIAH - SYD
2 stops40h 01mAir Canada
Wed 12/2411:20 amSYD - IAH
2 stops40h 55mAir Canada
Deal found 12/10$1,601
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/1010:48 amIAH - SYD
2 stops27h 37mMultiple Airlines
Thu 12/255:45 pmSYD - IAH
1 stop19h 09mMultiple Airlines
Deal found 12/10$1,658
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:48 pmIAH - SYD
2 stops32h 52mMultiple Airlines
Thu 1/85:50 pmSYD - IAH
2 stops42h 28mMultiple Airlines
Deal found 12/10$1,706
This Orbitz deal was found by Cheapflights users on 12/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:24 pmIAH - SYD
2 stops43h 31mAir Canada
Tue 12/3011:20 amSYD - IAH
2 stops40h 55mAir Canada
Deal found 12/11$1,710
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:23 pmIAH - SYD
1 stop23h 42mUnited Airlines
Wed 12/2411:50 amSYD - IAH
Nonstop15h 35mUnited Airlines
Deal found 12/10$1,753
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:40 pmIAH - SYD
1 stop21h 25mUnited Airlines
Mon 1/1211:20 amSYD - IAH
1 stop23h 05mUnited Airlines
Deal found 12/10$1,763
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:37 pmIAH - SYD
1 stop42h 28mUnited Airlines
Mon 1/1211:50 amSYD - IAH
Nonstop15h 35mUnited Airlines
Deal found 12/10$1,771
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:55 pmIAH - BNE
1 stop41h 35mUnited Airlines
Tue 1/1311:40 amBNE - IAH
1 stop23h 30mUnited Airlines
Deal found 12/10$1,773
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:23 pmIAH - SYD
1 stop23h 42mUnited Airlines
Thu 12/2511:50 amSYD - IAH
Nonstop15h 35mUnited Airlines
Deal found 12/10$1,803
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:23 pmIAH - MEL
1 stop24h 07mUnited Airlines
Sat 1/1011:30 amMEL - IAH
2 stops25h 31mUnited Airlines
Deal found 12/10$1,847
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:20 pmIAH - MEL
1 stop24h 10mAir New Zealand
Sat 1/176:50 pmMEL - IAH
1 stop36h 15mAir New Zealand
Deal found 12/10$1,856

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 December 12, 2025.

Round-trip from

$915
(flugladen.de)

One-way from

$509
(Kiwi.com)

Popular in

January

Cheapest in

July

Average price

$1,372

Good round-trip deal

$1,746 or less

Good one-way deal

$846 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. 16% potential increase in price ($212 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in December 2025
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 December 12, 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

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 2/3

5:25 pm-8:45 am

1 stop23h 20m

Brisbane

Tue 2/17

10:45 am-1:34 pm

2 stops42h 49m

$934

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 4/1

5:25 pm-12:05 pm

2 stops26h 40m

Melbourne

Wed 4/15

6:00 am-4:24 pm

2 stops25h 24m

$989

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 2/18

5:25 pm-8:45 am

1 stop23h 20m

Brisbane

Thu 3/12

9:45 am-4:24 pm

1 stop21h 39m

$999

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 2/3

5:25 pm-2:15 pm

2 stops27h 50m

Melbourne

Tue 2/17

7:45 am-9:44 pm

3 stops30h 59m

$1,000

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Tue 3/31

5:25 pm-12:10 pm

2 stops27h 15m

Adelaide

Wed 4/8

9:20 pm-7:02 pm

2 stops36h 12m

$1,034

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Fri 1/9

9:33 pm-8:45 am

3 stops43h 12m

Brisbane

Sat 1/31

10:45 am-11:55 pm

2 stops29h 10m

$1,035

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sat 1/10

5:05 am-8:45 am

3 stops35h 40m

Brisbane

Sun 1/25

6:10 am-12:19 am

3 stops34h 09m

$1,049

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Fri 1/9

9:33 pm-8:45 am

3 stops43h 12m

Brisbane

Sun 2/1

10:45 am-5:55 am

3 stops35h 10m

$1,063

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sat 1/10

5:05 am-8:45 am

3 stops35h 40m

Brisbane

Sat 1/31

10:45 am-5:55 am

3 stops35h 10m

$1,091

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 2/3

5:25 pm-2:40 pm

2 stops28h 15m

Sydney Kingsford Smith

Sat 2/7

11:20 am-4:24 pm

1 stop22h 04m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 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 $252). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $861). 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 December 12, 2025.

It’s optimal to fly from Houston George Bush Intcntl Airport to Australia in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Australia?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Australia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Australia flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 2025.

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 December 12, 2025.
Read reviews from past customers who have flown Air New Zealand, Qantas Airways, 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.

Boarding

8.2

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Boarding

8.2

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Boarding

8.2

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Boarding

8.2

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Boarding

8.2

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Boarding

8.2

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

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, Air New Zealand, and American Airlines can get you from Houston George Bush Intcntl Airport to Australia in just under 20h 20m. Your travel time can differ by up to 3h. 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 (76%), United Airlines (76%) or Lufthansa (75%) 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 $1,565, our data indicates the cheapest price to be $846. The most popular route (Houston George Bush Intcntl - Sydney Kingsford Smith), is priced around $825.

  • 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 $252). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $861). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$337Average$963FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$675Average$972FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$713Average$967FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$750Average$1,185FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$783Average$1,338FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$849Average$1,796FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$983Average$1,161FlexibilityNo cancel feeOn-time74%

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