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Cheap flights from Houston George Bush Intcntl Airport to Australia from $549

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
24 Mar — 31 Mar1
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 22 February 2026.

Tue 17/316:22
IAH
-
SYD
2 stops28h 13m
Multiple Airlines
Mon 20/413:15
SYD
-
IAH
2 stops26h 20m
Multiple Airlines
Deal found 19/2$1,250
Tue 26/516:45
IAH
-
BNE
1 stop23h 20m
Air Canada
Tue 9/610:00
BNE
-
IAH
1 stop20h 44m
Air Canada
Deal found 18/2$1,260
Mon 23/317:25
IAH
-
BNE
1 stop23h 20m
Singapore Airlines
Tue 21/410:00
BNE
-
IAH
1 stop21h 24m
Singapore Airlines
Deal found 19/2$1,274
Mon 23/309:35
IAH
-
BNE
2 stops31h 10m
Multiple Airlines
Wed 22/410:00
BNE
-
IAH
2 stops24h 10m
Multiple Airlines
Deal found 19/2$1,306
Sun 26/417:25
IAH
-
BNE
1 stop22h 40m
Air Canada
Thu 7/510:00
BNE
-
IAH
1 stop20h 44m
Air Canada
Deal found 22/2$1,308
Mon 23/317:25
IAH
-
BNE
1 stop23h 20m
Air Canada
Thu 23/410:00
BNE
-
IAH
1 stop21h 24m
Air Canada
Deal found 19/2$1,309
Tue 24/317:25
IAH
-
BNE
1 stop23h 20m
Multiple Airlines
Fri 24/410:00
BNE
-
IAH
1 stop23h 51m
Multiple Airlines
Deal found 19/2$1,328
Thu 14/509:33
IAH
-
SYD
2 stops45h 37m
Multiple Airlines
Thu 28/506:00
SYD
-
IAH
2 stops38h 40m
Multiple Airlines
Deal found 20/2$1,388
Mon 10/821:55
IAH
-
SYD
1 stop19h 50m
Air New Zealand
Mon 14/911:55
SYD
-
IAH
1 stop19h 30m
Air New Zealand
Deal found 20/2$1,398
Mon 6/721:55
IAH
-
SYD
1 stop19h 50m
Air New Zealand
Wed 15/711:55
SYD
-
IAH
1 stop19h 30m
Air New Zealand
Deal found 19/2$1,422
Mon 4/521:55
IAH
-
SYD
1 stop21h 45m
Air New Zealand
Wed 13/511:55
SYD
-
IAH
1 stop19h 30m
Air New Zealand
Deal found 19/2$1,425
Mon 1/621:55
IAH
-
SYD
1 stop19h 50m
Air New Zealand
Mon 3/809:55
SYD
-
IAH
1 stop21h 30m
Air New Zealand
Deal found 22/2$1,426

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 22 February 2026.

Round-trip from

$1,250

One-way from

$549

Popular in

January

Cheapest in

March

Average price

$2,040

Good one-way deal

$771 or less
17/3-20/4
  • 17/3-20/4
  • 4 total stops
  • 54h 33m total
  • Houston to Australia
Search Deals
14/4
  • 14/4
  • 2 total stops
  • 27h 18m total
  • Houston to Australia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($468 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($85 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Australia.
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 22 February 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

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 26/5

16:45-07:05

1 stop23h 20m

Brisbane

Tue 9/6

10:00-15:44

1 stop20h 44m

$1,260

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 26/4

17:25-07:05

1 stop22h 40m

Brisbane

Thu 7/5

10:00-15:44

1 stop20h 44m

$1,313

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 20/4

21:55-10:55

1 stop22h 00m

Melbourne

Mon 11/5

12:10-16:25

1 stop19h 15m

$1,447

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Mon 29/6

21:55-10:45

1 stop21h 50m

Coolangatta Gold Coast

Wed 29/7

11:55-16:25

1 stop19h 30m

$1,471

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 11/4

21:55-08:45

1 stop19h 50m

Sydney Kingsford Smith

Sat 25/4

19:20-16:25

1 stop36h 05m

$1,522

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 15/6

21:55-17:10

2 stops28h 15m

Melbourne

Tue 14/7

08:35-23:18

2 stops29h 43m

$1,528

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Fri 8/5

21:55-10:55

1 stop22h 00m

Melbourne

Sat 30/5

18:55-06:34

2 stops50h 39m

$1,535

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 1/4

20:55-21:35

1 stop32h 40m

Melbourne

Wed 15/4

18:55-16:25

1 stop36h 30m

$1,549

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 4/6

10:00-07:05

2 stops54h 05m

Brisbane

Fri 12/6

10:00-15:44

1 stop20h 44m

$1,577

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Fri 19/6

21:55-10:55

1 stop22h 00m

Melbourne

Thu 2/7

12:10-23:18

2 stops26h 08m

$1,587

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 54 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 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, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $326). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $1,206). 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 22 February 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 22 February 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).

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 $1,453, Air Canada can have you in Australia from Houston George Bush Intcntl Airport in 22h. Houston George Bush Intcntl Airport and Australia are separated by a distance of 14474 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 - Perth, 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 (88%), United Airlines (88%) and Lufthansa (88%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Australia?

    The cheapest flight price from Houston George Bush Intcntl Airport to Australia is $771. On average you can expect to pay $771. The most popular route, (Houston George Bush Intcntl - Sydney Kingsford Smith), can usually be booked for $1,184.

  • 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, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $326). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $1,206). 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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