HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$468+ Cheap flights from George Bush Intcntl (IAH) to Sydney (SYD)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Houston George Bush Intcntl to Sydney Kingsford Smith are usually found in April or March, booked 16 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from George Bush Intcntl to Sydney

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 February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Fri 5/19:33 am
IAH
-
SYD
1 stop30h 57m
Multiple Airlines
Mon 5/116:00 am
SYD
-
IAH
2 stops51h 02m
Multiple Airlines
Deal found 2/3$938
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 4/14:22 pm
IAH
-
SYD
1 stop23h 08m
Multiple Airlines
Fri 5/11:15 pm
SYD
-
IAH
2 stops26h 42m
Multiple Airlines
Deal found 2/3$944
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 5/59:33 am
IAH
-
SYD
1 stop30h 57m
Multiple Airlines
Tue 5/191:15 pm
SYD
-
IAH
2 stops26h 42m
Multiple Airlines
Deal found 2/2$947
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/104:08 pm
IAH
-
SYD
2 stops27h 27m
Multiple Airlines
Tue 2/176:00 am
SYD
-
IAH
2 stops35h 30m
Multiple Airlines
Deal found 2/3$952
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 2/244:34 pm
IAH
-
SYD
1 stop21h 51m
Multiple Airlines
Fri 3/62:00 pm
SYD
-
IAH
2 stops44h 07m
Multiple Airlines
Deal found 2/2$954
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Wed 3/44:34 pm
IAH
-
SYD
2 stops36h 31m
Multiple Airlines
Wed 3/112:00 pm
SYD
-
IAH
2 stops26h 30m
Multiple Airlines
Deal found 2/2$962
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 4/289:33 am
IAH
-
SYD
1 stop30h 57m
Multiple Airlines
Mon 5/111:15 pm
SYD
-
IAH
2 stops43h 47m
Multiple Airlines
Deal found 2/2$965
This Trip.com deal was found by Cheapflights users on 2/2. 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 3/204:04 pm
IAH
-
SYD
2 stops38h 01m
Multiple Airlines
Fri 3/272:00 pm
SYD
-
IAH
2 stops25h 54m
Multiple Airlines
Deal found 2/2$972
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 4/289:33 am
IAH
-
SYD
1 stop30h 57m
Multiple Airlines
Thu 5/71:15 pm
SYD
-
IAH
2 stops26h 42m
Multiple Airlines
Deal found 2/2$987
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Thu 3/194:04 pm
IAH
-
SYD
2 stops28h 31m
Multiple Airlines
Thu 3/262:00 pm
SYD
-
IAH
2 stops25h 54m
Multiple Airlines
Deal found 2/2$988
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Fri 4/104:04 pm
IAH
-
SYD
1 stop24h 26m
Multiple Airlines
Sat 4/181:15 pm
SYD
-
IAH
2 stops26h 42m
Multiple Airlines
Deal found 1/31$998

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$944
(Kiwi.com)

One-way from

$468
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,128

Good round-trip deal

$1,534 or less

Good one-way deal

$1,010 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Sydney Kingsford Smith flights.
Search Deals
From Houston George Bush Intcntl to Sydney Kingsford Smith
Search Deals
One-way flight from Houston George Bush Intcntl to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Sydney Kingsford Smith.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated February 3, 2026.
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

Tue 2/17

7:58 am-12:35 pm

3 stops35h 37m

Sydney Kingsford Smith

Fri 2/20

2:00 pm-5:54 am

3 stops32h 54m

$1,045

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 2/24

4:34 pm-12:35 pm

2 stops27h 01m

Sydney Kingsford Smith

Fri 3/6

2:00 pm-5:54 am

3 stops32h 54m

$1,066

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 5/4

4:45 pm-7:20 am

1 stop23h 35m

Sydney Kingsford Smith

Wed 5/13

9:20 am-3:44 pm

1 stop21h 24m

$1,295

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 3/20

6:00 am-8:35 am

3 stops34h 35m

Sydney Kingsford Smith

Fri 3/27

2:00 pm-5:52 am

3 stops31h 52m

$1,321

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 4/20

11:38 am-7:20 am

2 stops28h 42m

Sydney Kingsford Smith

Thu 4/23

1:15 pm-5:54 am

3 stops31h 39m

$1,357

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 3/11

9:05 pm-8:45 am

1 stop19h 40m

Sydney Kingsford Smith

Tue 3/24

10:25 am-3:08 pm

1 stop20h 43m

$1,391

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 2/9

7:50 pm-9:05 am

1 stop20h 15m

Sydney Kingsford Smith

Sun 2/22

11:50 am-10:25 am

Nonstop15h 35m

$1,443

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 2/15

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Sun 3/1

11:50 am-10:25 am

Nonstop15h 35m

$1,453

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 3/10

9:30 pm-7:00 am

Nonstop17h 30m

Sydney Kingsford Smith

Tue 3/24

11:50 am-11:25 am

Nonstop15h 35m

$1,455

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 2/24

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Wed 3/11

11:50 am-11:25 am

Nonstop15h 35m

$1,455

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 18 results
1
2

Compare providers for flights from George Bush Intcntl to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Sydney in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 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 round-trip flight from George Bush Intcntl to Sydney. Price data was last updated on January 30, 2026.

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Sydney, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $414). Flying from Houston George Bush Intcntl Airport to Sydney in December is currently the most expensive (average of $854). 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 February 3, 2026.

When flying from Houston George Bush Intcntl Airport to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

The best insider tips for Houston George Bush Intcntl Airport to Sydney flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Sydney trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
John Walton

John Walton

Expert on SYD

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated February 3, 2026.
Get a feel of what it's like to fly with Fiji Airways, Air New Zealand, and Qantas Airways from Houston George Bush Intcntl Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.0
Very good
223 reviews

Entertainment

7.5

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.0
Very good
223 reviews
Fiji Airways
8.0
Very good
223 reviews

Entertainment

7.5

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air New Zealand
8.0
Very good
578 reviews
Fiji Airways
8.0
Very good
223 reviews

Entertainment

7.5

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
986 reviews
Fiji Airways
8.0
Very good
223 reviews

Entertainment

7.5

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,236 reviews
Fiji Airways
8.0
Very good
223 reviews

Entertainment

7.5

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
American Airlines
7.2
Good
11,218 reviews
Fiji Airways
8.0
Very good
223 reviews

Entertainment

7.5

Overall

8.0

Food

7.4

Comfort

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

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?

    Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Sydney. 7 airlines have flights to Kingsford Smith from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Sydney Kingsford Smith should not be difficult; the airport handles an average of 3 inbound flights from Houston George Bush Intcntl per day.

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

    For as low as $1,295, Air Canada can have you in Sydney from Houston George Bush Intcntl Airport in 23h 35m. Airlines will cover a distance of 8591 mi.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Sydney round-trip?

    Cheapflights users have booked flights from Houston George Bush Intcntl Airport to Sydney round-trip from $337. Other airlines that can offer you cheap pricing are Qantas Airways, from $799, and American Airlines, from $820. These flights start at 73% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Sydney one-way?

    One-way options have recently been found by users for as low as $390 on Qantas Airways. Other airlines that offer cheap prices include American Airlines from $425 and United Airlines from $846 one-way.

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

    Before booking your flight to Sydney from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Virgin Australia (83%), United Airlines (83%), Lufthansa( 83%).

  • 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 $1,396, our data shows the cheapest flight currently is $848. When looking at the most popular route, (Houston George Bush Intcntl - Sydney Kingsford Smith), you can expect to pay $880 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 vacation 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 $414). Flying from Houston George Bush Intcntl Airport to Sydney in December is currently the most expensive (average of $854). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for George Bush Intcntl to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Sydney flights
Hobby to Coolangatta flights
George Bush Intcntl to Coolangatta flights

Top 7 airlines flying from George Bush Intcntl to Sydney

Discover the top 7 airlines that operate flights from George Bush Intcntl to Sydney. 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$337Average$963FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$799Average$923FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$820Average$848FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$856Average$1,782FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$957Average$1,372FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$983Average$1,161FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,037Average$1,331FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights