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Cheap flights from Houston George Bush Intcntl Airport to Australia from $869

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
25 Jun — 2 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from George Bush Intcntl to Australia

Enter your travel dates to find the best prices.

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 26 May 2026.

Mon 22/616:21
IAH
-
SYD
2 stops28h 29m
Multiple Airlines
Sun 5/713:15
SYD
-
IAH
2 stops25h 41m
Multiple Airlines
Deal found 21/5$1,639
Thu 25/619:42
IAH
-
MEL
2 stops32h 38m
Multiple Airlines
Sat 4/707:30
MEL
-
IAH
2 stops27h 24m
Multiple Airlines
Deal found 23/5$1,664
Sat 20/606:10
IAH
-
SYD
2 stops38h 40m
Multiple Airlines
Sat 27/606:00
SYD
-
IAH
3 stops57h 44m
Multiple Airlines
Deal found 21/5$1,701
Sat 11/719:49
IAH
-
MEL
2 stops32h 31m
Multiple Airlines
Thu 23/707:30
MEL
-
IAH
2 stops27h 24m
Multiple Airlines
Deal found 24/5$1,879
Tue 7/706:10
IAH
-
MEL
1 stop33h 35m
Multiple Airlines
Tue 14/709:45
MEL
-
IAH
1 stop29h 11m
Multiple Airlines
Deal found 25/5$1,893
Tue 25/806:30
IAH
-
SYD
2 stops35h 55m
Multiple Airlines
Tue 1/917:50
SYD
-
IAH
1 stop36h 21m
Multiple Airlines
Deal found 23/5$1,909
Fri 24/716:02
IAH
-
MEL
2 stops28h 58m
Multiple Airlines
Fri 31/713:30
MEL
-
IAH
3 stops36h 04m
Multiple Airlines
Deal found 22/5$1,976
Wed 29/719:50
IAH
-
MEL
1 stop20h 40m
Air New Zealand
Wed 26/808:35
MEL
-
IAH
1 stop22h 50m
Air New Zealand
Deal found 22/5$2,017
Mon 13/716:02
IAH
-
MEL
1 stop23h 43m
Multiple Airlines
Wed 22/709:45
MEL
-
IAH
1 stop29h 11m
Multiple Airlines
Deal found 25/5$2,029
Mon 10/816:31
IAH
-
MEL
1 stop23h 59m
Air New Zealand
Mon 17/812:10
MEL
-
IAH
1 stop19h 15m
Air New Zealand
Deal found 22/5$2,032
Wed 9/921:55
IAH
-
BNE
1 stop22h 10m
Air New Zealand
Wed 23/909:40
BNE
-
IAH
1 stop21h 45m
Air New Zealand
Deal found 23/5$2,035
Wed 26/820:05
IAH
-
BNE
2 stops23h 00m
Air New Zealand
Wed 16/912:20
BNE
-
IAH
1 stop19h 05m
Air New Zealand
Deal found 22/5$2,049

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 26 May 2026.

Round-trip from

$1,639

One-way from

$869

Popular in

January

Cheapest in

July

Average price

$2,208
22/6-5/7
  • 22/6-5/7
  • 4 total stops
  • 54h 10m total
  • Houston to Australia
Search Deals
4/8
  • 4/8
  • 3 total stops
  • 39h 13m total
  • Houston to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($347 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($72 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 26 May 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 return flight

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 13/7

16:02-06:45

1 stop23h 43m

Melbourne

Wed 22/7

09:45-23:56

1 stop29h 11m

$2,029

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 21/7

16:02-05:00

1 stop21h 58m

Brisbane

Wed 29/7

08:15-23:56

2 stops30h 41m

$2,089

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 3/11

21:45-09:30

1 stop42h 45m

Melbourne

Sat 14/11

16:50-14:05

1 stop38h 15m

$2,130

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 1/11

20:05-09:55

1 stop21h 50m

Brisbane

Sat 14/11

18:10-14:05

2 stops35h 55m

$2,158

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 15/6

17:20-11:20

2 stops27h 00m

Melbourne

Tue 14/7

06:00-16:30

2 stops25h 30m

$2,162

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 24/6

17:25-12:10

2 stops27h 45m

Melbourne

Wed 8/7

06:00-16:30

2 stops25h 30m

$2,162

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Mon 29/6

07:20-10:40

3 stops36h 20m

Coolangatta Gold Coast

Wed 29/7

06:00-16:30

2 stops25h 30m

$2,192

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 26/8

16:20-10:55

2 stops27h 35m

Brisbane

Wed 16/9

08:00-21:57

3 stops28h 57m

$2,195

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 13/7

19:50-07:30

1 stop20h 40m

Melbourne

Mon 27/7

12:10-16:25

1 stop19h 15m

$2,233

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 15/6

21:55-10:55

1 stop22h 00m

Melbourne

Tue 14/7

08:35-23:14

2 stops29h 39m

$2,236

Flights are sorted by cheapest return flights first.

Deals found on 24/5

Showing 1-10 of 47 resultsSorted by cheapest first
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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 return 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 $209). Flying from Houston George Bush Intcntl Airport to Australia in March is currently the most expensive (average of $1,198). 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?

The price you pay for your flight from Houston George Bush Intcntl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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?

    For as low as $2,579, Air New Zealand can have you in Australia from Houston George Bush Intcntl Airport in 22h 40m. Houston George Bush Intcntl Airport and Australia are separated by a distance of 13826 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Houston George Bush Intcntl Airport to Australia?

    While some choose either Houston George Bush Intcntl - Melbourne or Houston George Bush Intcntl - Melbourne Avalon, Houston George Bush Intcntl - Sydney Kingsford Smith is the most popular route from Houston George Bush Intcntl Airport to Australia.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Australia?

    The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to Australia are Virgin Australia (91%), United Airlines (91%) and Lufthansa (91%).

  • 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 holiday 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 $209). Flying from Houston George Bush Intcntl Airport to Australia in March is currently the most expensive (average of $1,198). 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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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from George Bush Intcntl to Australia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Australia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Australia from George Bush Intcntl.

Can Cheapflights find flights from George Bush Intcntl to Australia with no change fees?

Yes! Cheapflights helps users easily find flights from George Bush Intcntl to Australia with no change fees.

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