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Cheap flights from Houston George Bush Intcntl Airport to Sydney from $888

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from George Bush Intcntl to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl to Sydney
Explore the most affordable flight options available from George Bush Intcntl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Wed 3/1206:45IAH - SYD
2 stops31h 40mMultiple Airlines
Wed 10/1211:20SYD - IAH
1 stop24h 52mMultiple Airlines
Deal found 12/11$1,543
Wed 3/1220:05IAH - SYD
1 stop21h 25mAir New Zealand
Wed 10/1209:55SYD - IAH
1 stop21h 10mAir New Zealand
Deal found 12/11$1,544
Mon 1/1220:05IAH - SYD
1 stop21h 25mAir New Zealand
Mon 8/1207:45SYD - IAH
1 stop23h 20mAir New Zealand
Deal found 13/11$1,587
Thu 11/1206:05IAH - SYD
2 stops33h 55mMultiple Airlines
Sun 14/1217:45SYD - IAH
2 stops43h 40mMultiple Airlines
Deal found 13/11$1,625
Fri 28/1120:05IAH - SYD
1 stop21h 25mAir New Zealand
Wed 10/1209:55SYD - IAH
1 stop21h 10mAir New Zealand
Deal found 13/11$1,627
Thu 27/1120:05IAH - SYD
1 stop21h 25mAir New Zealand
Tue 9/1219:15SYD - IAH
1 stop35h 50mAir New Zealand
Deal found 13/11$1,651
Sun 23/1112:10IAH - SYD
3 stops31h 25mMultiple Airlines
Sun 30/1114:00SYD - IAH
2 stops31h 53mMultiple Airlines
Deal found 11/11$1,862

Cheap flight deals from George Bush Intcntl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 November 2025.

Round-trip from

$1,543

One-way from

$888

Popular in

December

Cheapest in

May

Average price

$1,607

Good one-way deal

$1,440 or less
3/12-10/12
  • 3/12-10/12
  • 3 total stops
  • 56h 32m total
  • Houston to Sydney
Search Deals
31/3
  • 31/3
  • 1 total stop
  • 22h 41m total
  • Houston to Sydney
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($620 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($136 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a one-way flight from Houston George Bush Intcntl to Sydney Kingsford Smith.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from George Bush Intcntl to Sydney 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 14 November 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Sydney that are best for you.

Fly from

George Bush Intcntl

Fly to

Sydney

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 12/3

19:52-09:00

1 stop21h 08m

Sydney Kingsford Smith

Mon 23/3

19:15-15:49

2 stops36h 34m

$1,798

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 14/3

19:52-09:00

1 stop21h 08m

Sydney Kingsford Smith

Mon 23/3

17:50-11:19

2 stops33h 29m

$1,798

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 6/3

20:46-08:45

2 stops42h 59m

Sydney Kingsford Smith

Sun 15/3

11:45-15:05

1 stop19h 20m

$1,856

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 4/2

17:55-19:45

2 stops32h 50m

Sydney Kingsford Smith

Tue 3/3

21:40-17:53

2 stops37h 13m

$2,112

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 3/2

18:10-14:50

2 stops27h 40m

Sydney Kingsford Smith

Fri 27/2

06:20-13:25

2 stops24h 05m

$2,124

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 6/2

16:50-20:50

2 stops35h 00m

Sydney Kingsford Smith

Fri 27/2

06:20-13:25

2 stops24h 05m

$2,156

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 8/2

18:10-17:40

2 stops30h 30m

Sydney Kingsford Smith

Sat 28/2

19:15-17:51

2 stops39h 36m

$2,190

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 24/2

20:25-07:00

Nonstop17h 35m

Sydney Kingsford Smith

Wed 11/3

11:50-11:25

Nonstop15h 35m

$2,208

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 12/3

19:52-09:35

2 stops45h 43m

Sydney Kingsford Smith

Mon 23/3

11:05-21:57

2 stops50h 52m

$2,208

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 18/2

18:44-09:05

1 stop21h 21m

Sydney Kingsford Smith

Mon 9/3

11:50-11:25

Nonstop15h 35m

$2,214

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from George Bush Intcntl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Sydney?

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to Sydney. Price data was last updated on 7 November 2025.

The price you pay for your flight from Houston George Bush Intcntl Airport to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Sydney (average of $1,241). Flying from Houston George Bush Intcntl Airport to Sydney in December is currently the most expensive (average of $1,299). 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 SYD?

Find hourly flight availability from George Bush Intcntl to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston George Bush Intcntl Airport to Sydney as you normally would.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Houston George Bush Intcntl?

    For a flight from Houston George Bush Intcntl to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 3 inbound flights from Houston George Bush Intcntl per day. 0 airlines have flights to Sydney Kingsford Smith from Houston George Bush Intcntl on a regular basis.

  • How long is the flight from Houston George Bush Intcntl Airport to Sydney?

    For as low as $1,798, Qantas Airways can have you in Sydney from Houston George Bush Intcntl Airport in 21h 08m. The distance from Houston George Bush Intcntl Airport to Sydney is about 13826 km. Both multi-stop and direct flights can be found to your destination and back.

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

    No one likes to see their flight delayed. When booking a flight from Houston George Bush Intcntl Airport to Sydney consider choosing Virgin Australia(100%), United Airlines(100%) or Lufthansa(100%), as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Houston George Bush Intcntl Airport to Sydney is generally $1,678, our data shows the cheapest flight currently is $649. When looking at the most popular route, (Houston George Bush Intcntl - Sydney Kingsford Smith), you can expect to pay $1,363 for that flight.

  • Can I find deals for flights from George Bush Intcntl to Sydney that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Sydney?

    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 Sydney.

  • Can I find deals for business class flights from George Bush Intcntl to Sydney?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Sydney 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 Sydney?

    Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Sydney (average of $1,241). Flying from Houston George Bush Intcntl Airport to Sydney in December is currently the most expensive (average of $1,299). 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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Yes! Cheapflights helps users easily find flights from George Bush Intcntl to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from George Bush Intcntl today and book when prices fit your budget.

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