Australia

$429+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Apr 12 — Apr 191
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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 March 13, 2026.

This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:41 pm
IAH
-
SYD
1 stop20h 24m
American Airlines
Wed 5/139:10 am
SYD
-
IAH
1 stop25h 01m
American Airlines
Deal found 3/12$895
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:41 pm
IAH
-
SYD
1 stop20h 24m
American Airlines
Tue 5/129:10 am
SYD
-
IAH
1 stop25h 01m
American Airlines
Deal found 3/12$896
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:32 pm
IAH
-
BNE
2 stops47h 33m
Air Canada
Tue 5/1910:15 am
BNE
-
IAH
2 stops42h 19m
Air Canada
Deal found 3/8$898
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:45 pm
IAH
-
BNE
1 stop23h 20m
Air Canada
Mon 5/1110:00 am
BNE
-
IAH
2 stops42h 34m
Air Canada
Deal found 3/8$906
This KAYAK deal was found by Cheapflights users on 3/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:09 pm
IAH
-
SYD
1 stop19h 56m
Qantas Airways
Tue 8/189:10 am
SYD
-
IAH
1 stop25h 50m
Qantas Airways
Deal found 3/12$919
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:25 pm
IAH
-
BNE
1 stop22h 40m
Multiple Airlines
Wed 5/2010:00 am
BNE
-
IAH
1 stop23h 51m
Multiple Airlines
Deal found 3/8$931
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:35 pm
IAH
-
BNE
2 stops47h 30m
Air Canada
Thu 6/410:15 am
BNE
-
IAH
2 stops42h 09m
Air Canada
Deal found 3/8$935
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:41 pm
IAH
-
SYD
1 stop20h 24m
American Airlines
Sun 5/39:10 am
SYD
-
IAH
1 stop25h 01m
American Airlines
Deal found 3/12$946
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:25 pm
IAH
-
BNE
2 stops27h 05m
Multiple Airlines
Sun 5/1710:00 am
BNE
-
IAH
1 stop20h 44m
Multiple Airlines
Deal found 3/8$955
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:25 pm
IAH
-
BNE
1 stop22h 40m
Multiple Airlines
Tue 5/1910:15 am
BNE
-
IAH
1 stop20h 29m
Multiple Airlines
Deal found 3/8$968
This KAYAK deal was found by Cheapflights users on 3/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:09 pm
IAH
-
SYD
1 stop19h 56m
Qantas Airways
Sat 8/159:10 am
SYD
-
IAH
1 stop25h 50m
Qantas Airways
Deal found 3/12$969
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:45 pm
IAH
-
ADL
2 stops38h 45m
Multiple Airlines
Mon 5/256:55 pm
ADL
-
IAH
2 stops38h 22m
Multiple Airlines
Deal found 3/8$971

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 March 13, 2026.

Round-trip from

$895
(American Airlines)

One-way from

$429
(Trip.com)

Popular in

January

Cheapest in

October

Average price

$1,266

Good round-trip deal

$1,480 or less

Good one-way deal

$1,109 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. 10% potential increase in price ($152 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 13, 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

9:55 pm-10:45 am

1 stop21h 50m

Coolangatta Gold Coast

Wed 7/29

11:55 am-8:49 pm

2 stops23h 54m

$1,154

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 4/7

11:50 am-11:35 am

3 stops32h 45m

Melbourne

Thu 4/23

6:00 am-4:24 pm

2 stops25h 24m

$1,166

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Thu 5/7

4:45 pm-3:55 pm

2 stops32h 40m

Adelaide

Mon 5/11

4:30 pm-6:51 pm

2 stops40h 51m

$1,185

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sat 4/25

9:55 pm-10:55 am

1 stop22h 00m

Melbourne

Sat 5/2

6:55 pm-4:25 pm

1 stop36h 30m

$1,187

HoustonCairns

IAH - CNS

IAHCNS

Houston George Bush Intcntl

Wed 9/2

9:55 pm-7:30 pm

2 stops30h 35m

Cairns

Wed 9/30

6:00 am-3:25 pm

2 stops24h 25m

$1,286

HoustonCairns

IAH - CNS

IAHCNS

Houston George Bush Intcntl

Sun 5/3

4:31 pm-10:45 am

2 stops27h 14m

Cairns

Sat 5/16

11:55 am-4:25 pm

1 stop19h 30m

$1,297

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Sun 4/26

4:30 pm-4:00 pm

2 stops34h 30m

Perth

Sun 5/10

7:50 pm-4:25 pm

1 stop33h 35m

$1,363
Quickest round-trip

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 6/24

8:15 pm-7:30 am

1 stop20h 15m

Melbourne

Wed 7/8

8:35 am-4:25 pm

1 stop22h 50m

$1,381

HoustonCairns

IAH - CNS

IAHCNS

Houston George Bush Intcntl

Fri 4/24

9:55 pm-10:45 pm

2 stops33h 50m

Cairns

Thu 5/7

9:25 am-4:25 pm

2 stops46h 00m

$1,390

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 4/13

4:30 pm-6:55 am

2 stops23h 25m

Sydney Kingsford Smith

Sun 5/17

9:30 am-5:07 pm

2 stops22h 37m

$1,392

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $199). Flying from Houston George Bush Intcntl Airport to Australia in April is currently the most expensive (average of $900). 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 March 13, 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 March 13, 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 March 13, 2026.
Read reviews from past customers who have flown Fiji Airways,Air New Zealand, 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

8.1

Boarding

8.1

Food

7.5

Comfort

8.1

Crew

8.5

Entertainment

7.5

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍

Overall

8.1

Boarding

8.1

Food

7.5

Comfort

8.1

Crew

8.5

Entertainment

7.5

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍

Overall

8.1

Boarding

8.1

Food

7.5

Comfort

8.1

Crew

8.5

Entertainment

7.5

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍

Overall

8.1

Boarding

8.1

Food

7.5

Comfort

8.1

Crew

8.5

Entertainment

7.5

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍

Overall

8.1

Boarding

8.1

Food

7.5

Comfort

8.1

Crew

8.5

Entertainment

7.5

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍

Overall

8.1

Boarding

8.1

Food

7.5

Comfort

8.1

Crew

8.5

Entertainment

7.5

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍

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 United Airlines can get you from Houston George Bush Intcntl Airport to Australia in just under 21h 50m. Your travel time can differ by up to 10h 55m. There are 8338 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 Qantas Airways, with whom users have recently found tickets for as low as $390. However, be on the lookout for offers from American Airlines 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 (88%), United Airlines (88%) or Lufthansa (88%) 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 $1,538, our data indicates the cheapest price to be $849. The most popular route (Houston George Bush Intcntl - Sydney Kingsford Smith), is priced around $878.

  • 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, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $199). Flying from Houston George Bush Intcntl Airport to Australia in April is currently the most expensive (average of $900). 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$963FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$750Average$1,185FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$826Average$942FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$830Average$1,331FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$836Average$864FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$849Average$1,651FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$983Average$1,161FlexibilityNo cancel feeOn-time74%

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