Sydney

$513+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Jul 19 — Jul 261
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 November or October, booked 58 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 June 19, 2026.

This Trip.com deal was found by Cheapflights users on 6/19. 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.
Sat 9/54:02 pm
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Fri 9/111:15 pm
SYD
-
IAH
3 stops36h 25m
Multiple Airlines
Deal found 6/19$1,044
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Sun 8/94:02 pm
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Mon 8/241:15 pm
SYD
-
IAH
3 stops35h 52m
Multiple Airlines
Deal found 6/16$1,052
This Trip.com deal was found by Cheapflights users on 6/15. 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.
Tue 8/44:02 pm
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Tue 8/111:15 pm
SYD
-
IAH
2 stops25h 41m
Multiple Airlines
Deal found 6/15$1,069
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Thu 10/159:59 pm
IAH
-
SYD
2 stops46h 51m
Multiple Airlines
Sun 10/2511:15 am
SYD
-
IAH
1 stop40h 11m
Multiple Airlines
Deal found 6/17$1,199
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Thu 10/299:15 pm
IAH
-
SYD
2 stops47h 20m
Multiple Airlines
Mon 11/911:15 am
SYD
-
IAH
1 stop41h 11m
Multiple Airlines
Deal found 6/16$1,240
This Trip.com deal was found by Cheapflights users on 6/18. 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.
Sun 9/201:14 pm
IAH
-
SYD
3 stops31h 36m
Multiple Airlines
Sun 10/112:15 pm
SYD
-
IAH
3 stops38h 05m
Multiple Airlines
Deal found 6/18$1,262
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Thu 10/299:15 pm
IAH
-
SYD
2 stops47h 20m
Multiple Airlines
Sun 11/811:15 am
SYD
-
IAH
1 stop41h 11m
Multiple Airlines
Deal found 6/16$1,265

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 June 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,044
(Trip.com)

One-way from

$513
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,336

Good one-way deal

$1,043 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Sydney Kingsford Smith flights.
From Houston George Bush Intcntl to Sydney Kingsford Smith
One-way flight from Houston George Bush Intcntl to Sydney Kingsford Smith
Highest demand for flights based on searches. 2% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a one-way flight from Houston George Bush Intcntl to Sydney Kingsford Smith.

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 June 19, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 8/9

10:00 am-7:20 am

2 stops30h 20m

Sydney Kingsford Smith

Mon 8/24

9:20 am-7:38 pm

3 stops49h 18m

$1,601

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 8/25

10:00 am-7:20 am

3 stops54h 20m

Sydney Kingsford Smith

Wed 9/2

9:20 am-1:23 pm

2 stops43h 03m

$1,947

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 8/17

6:15 pm-5:10 pm

1 stop31h 55m

Sydney Kingsford Smith

Wed 8/19

8:45 pm-3:55 pm

1 stop34h 10m

$1,972

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 6/29

6:30 pm-7:25 pm

2 stops33h 55m

Sydney Kingsford Smith

Mon 7/6

9:00 pm-6:39 pm

2 stops36h 39m

$2,162
Quickest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 8/17

8:19 pm-7:05 am

1 stop19h 46m

Sydney Kingsford Smith

Wed 8/19

10:30 am-6:04 pm

2 stops22h 34m

$2,758

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 8/25

3:25 pm-6:30 am

3 stops48h 05m

Sydney Kingsford Smith

Wed 9/2

10:10 am-1:20 pm

3 stops42h 10m

$2,882

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 9/10

3:20 pm-7:10 am

3 stops48h 50m

Sydney Kingsford Smith

Sun 9/20

11:40 am-1:15 pm

3 stops40h 35m

$3,041

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 9/12

4:13 pm-6:05 am

3 stops46h 52m

Sydney Kingsford Smith

Sat 9/26

2:35 pm-9:59 pm

3 stops46h 24m

$3,614

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 9/5

4:40 pm-6:05 am

3 stops46h 25m

Sydney Kingsford Smith

Fri 9/11

2:35 pm-9:59 pm

3 stops46h 24m

$3,621

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 8/27

4:40 pm-6:05 am

3 stops46h 25m

Sydney Kingsford Smith

Tue 9/1

2:35 pm-9:51 pm

3 stops46h 16m

$3,677

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 18 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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?

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 56 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Sydney (average of $1,038). Flying from Houston George Bush Intcntl Airport to Sydney in July is currently the most expensive (average of $1,800). 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 much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Sydney?

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.

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.

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 June 19, 2026.
Get a feel of what it's like to fly with Air New Zealand,Delta, andQantas 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.

Comfort

7.9

Entertainment

7.4

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Comfort

7.9

Entertainment

7.4

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Comfort

7.9

Entertainment

7.4

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Comfort

7.9

Entertainment

7.4

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Comfort

7.9

Entertainment

7.4

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Comfort

7.9

Entertainment

7.4

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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. 6 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 0 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 $2,758, Air Canada can have you in Sydney from Houston George Bush Intcntl Airport in 19h 46m. Airlines will cover a distance of 8591 mi. This flight may include one or multiple stops.

  • 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 $203. Other airlines that can offer you cheap pricing are Qantas Airways, from $794, and Air Canada, from $822. These flights start at 86% 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 $425 on American Airlines. Other airlines that offer cheap prices include Fiji Airways from $584 and United Airlines from $846 one-way.

  • 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 $1,240, our data shows the cheapest flight currently is $1,043. When looking at the most popular route, (Houston George Bush Intcntl - Sydney Kingsford Smith), you can expect to pay $895 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Sydney (average of $1,038). Flying from Houston George Bush Intcntl Airport to Sydney in July is currently the most expensive (average of $1,800). 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
Coogee
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.

Top 6 airlines flying from George Bush Intcntl to Sydney

Discover the top 6 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 June 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$850FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$794Average$923FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$822Average$1,331FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$844Average$900FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$926Average$1,746FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,048Average$1,409FlexibilityNo cancel feeOn-time78%

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.