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George Bush Intcntl

$440+ Cheap flights from Sydney (SYD) to George Bush Intcntl (IAH)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAH
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Houston George Bush Intcntl are usually found in September or August, booked 39 days in advance, depart on a Thursday or Saturday and return on a Monday

Cheap flight deals from Sydney to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to George Bush Intcntl (IAH). 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 September 17, 2025.

Round-trip from

$714
(Trip.com)

One-way from

$440
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,037

Good round-trip deal

$800 or less

Good one-way deal

$499 or less
From Sydney Kingsford Smith to Houston George Bush Intcntl
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One-way flight from Sydney Kingsford Smith to Houston George Bush Intcntl
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Highest demand for flights based on searches. 10% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Sydney Kingsford Smith to Houston George Bush Intcntl.
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Find flight deals from Sydney to George Bush Intcntl

Cheapest flights from Sydney to George Bush Intcntl
Explore the most affordable flight options available from Sydney to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/132:15 pmSYD - IAH
2 stops31h 05mMultiple Airlines
Mon 10/206:44 amIAH - SYD
2 stops38h 01mMultiple Airlines
Deal found 9/15$714
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:15 pmSYD - IAH
2 stops31h 05mMultiple Airlines
Tue 10/219:38 amIAH - SYD
3 stops35h 07mMultiple Airlines
Deal found 9/15$844
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:30 amSYD - IAH
2 stops35h 28mUnited Airlines
Sun 9/215:40 amIAH - SYD
1 stop34h 15mUnited Airlines
Deal found 9/15$883
This lol.travel deal was found by Cheapflights users on 9/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:25 amSYD - IAH
2 stops24h 44mUnited Airlines
Sun 11/97:50 pmIAH - SYD
1 stop20h 15mUnited Airlines
Deal found 9/15$900
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:45 pmSYD - IAH
1 stop21h 38mMultiple Airlines
Thu 11/67:30 amIAH - SYD
1 stop30h 55mMultiple Airlines
Deal found 9/15$910
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:20 amSYD - IAH
3 stops49h 22mAir Canada
Fri 11/289:39 amIAH - SYD
2 stops30h 56mAir Canada
Deal found 9/15$931

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to George Bush Intcntl 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 September 17, 2025.
Use the filters below to find and compare flights from Sydney to Houston George Bush Intcntl Airport that are best for you.

Fly from

Sydney

Fly to

George Bush Intcntl

Route

Depart

Return

Price

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 10/27

11:50 am-11:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Sun 11/9

6:35 pm-9:05 am

1 stop21h 30m

$902

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 10/30

5:45 pm-11:23 pm

1 stop21h 38m

Houston George Bush Intcntl

Thu 11/6

7:30 am-7:25 am

1 stop30h 55m

$910

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 10/21

10:20 am-6:42 pm

1 stop24h 22m

Houston George Bush Intcntl

Fri 11/28

5:25 pm-6:55 am

1 stop44h 30m

$945

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sun 11/9

11:20 am-4:24 pm

1 stop22h 04m

Houston George Bush Intcntl

Sun 11/23

5:25 pm-9:35 am

1 stop23h 10m

$960

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 10/13

10:10 am-5:13 pm

2 stops23h 03m

Houston George Bush Intcntl

Mon 10/20

2:19 pm-8:05 am

2 stops25h 46m

$964

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 10/27

11:20 am-6:09 pm

2 stops22h 49m

Houston George Bush Intcntl

Sun 11/9

4:32 pm-9:00 am

2 stops23h 28m

$966

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Fri 2/20

11:20 am-9:44 pm

2 stops27h 24m

Houston George Bush Intcntl

Tue 2/24

12:50 pm-9:35 am

2 stops27h 45m

$988

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sat 10/18

10:10 am-4:58 pm

1 stop22h 48m

Houston George Bush Intcntl

Wed 10/29

8:10 pm-9:00 am

1 stop20h 50m

$1,012

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 10/30

11:20 am-4:58 pm

1 stop21h 38m

Houston George Bush Intcntl

Thu 11/6

6:17 pm-9:00 am

2 stops21h 43m

$1,014

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sun 11/9

11:50 am-10:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Sun 11/23

5:02 pm-9:15 am

1 stop23h 13m

$1,015

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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The best insider tips for Sydney to Houston George Bush Intcntl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Sydney to Houston George Bush Intcntl Airport trip
Airports
SYD

Check which terminal your flight uses at SYD, as some domestic flights depart from the international terminal.

Read more about SYDby John Walton
IAH

For a quick ride to downtown Houston, use Uber or Lyft from Terminals A, B, or C at IAH.

Read more about IAHby Evie Carrick
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

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

John Walton

John Walton

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

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

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Sydney 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 Sydney to Houston George Bush Intcntl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to George Bush Intcntl. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Sydney to Houston George Bush Intcntl Airport, you should look to book at least 39 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 Sydney to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $241). Flying from Sydney to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 SYD to IAH?

Find hourly flight availability from Sydney to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s optimal to fly from Sydney to Houston George Bush Intcntl Airport in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from Sydney to Houston George Bush Intcntl Airport?

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with United Airlines and Air Canada from Sydney to Houston George Bush Intcntl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Sydney to George Bush Intcntl. 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 from for flights from Sydney to Houston George Bush Intcntl?

    For a flight from Sydney to Houston George Bush Intcntl, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 0 outbound flights to Houston George Bush Intcntl per day. 2 airlines have flights to Houston George Bush Intcntl from Sydney Kingsford Smith on a regular basis.

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

    A quick flight from Sydney to Houston George Bush Intcntl Airport can take about 15h 35m. United Airlines provides one of the quickest options available for as low as $902. There are 8591 mi between Sydney and Houston George Bush Intcntl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Air Canada ($885), and United Airlines ($1,044) offers the cheapest pricing from Sydney to Houston George Bush Intcntl Airport. Air Canada is 28% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking for the cheapest flight from Sydney to Houston George Bush Intcntl Airport? While on average our users pay $767, our data indicates the cheapest price to be $457. The most popular route (Sydney Kingsford Smith - Houston George Bush Intcntl), is priced around $767.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to George Bush Intcntl.

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

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

    Currently, August is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $241). Flying from Sydney to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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Alternative routes for Sydney to George Bush Intcntl

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

Top 2 airlines flying from Sydney to George Bush Intcntl

Discover the top 2 airlines that operate flights from Sydney to George Bush Intcntl. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$885Average$924FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,044Average$1,379FlexibilityNo cancel feeOn-time69%

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