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Cheap flights from Sydney to Houston George Bush Intcntl Airport from $645

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAH
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to George Bush Intcntl

Enter your travel dates to find the best prices.

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 7 August 2026.

Mon 14/909:20 -
2 stops49h 32m
Mon 21/910:00 -
2 stops30h 20m
Deal found 2/8$1,105
Thu 13/809:20 -
1 stop21h 31m
Thu 27/806:45 -
2 stops33h 35m
Deal found 3/8$1,126
Tue 20/1010:20 -
2 stops49h 32m
Wed 18/1118:10 -
1 stop22h 25m
Deal found 2/8$1,139
Wed 2/909:20 -
1 stop21h 31m
Wed 9/916:45 -
1 stop23h 35m
Deal found 5/8$1,143
Tue 18/809:20 -
3 stops49h 18m
Wed 16/910:00 -
2 stops30h 20m
Deal found 3/8$1,156

Find 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 7 August 2026.

Round-trip from

$1,105

One-way from

$645

Popular in

June

Cheapest in

March

Average price

$1,702

Good round-trip deal

$1,649 or less

Good one-way deal

$1,223 or less
Air Canada
  • Air Canada
  • 14/9-21/9
  • 4 total stops
  • 79h 52m total
  • Sydney to Houston
Search Deals
1/11
  • 1/11
  • 2 total stops
  • 38h 26m total
  • Sydney to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($201 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($47 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to Houston George Bush Intcntl.
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 7 August 2026.
Use the filters below to find and compare flights from Sydney to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Tue 20/10

10:20-19:52

2 stops49h 32m

Houston George Bush Intcntl

Wed 18/11

18:10-09:35

1 stop22h 25m

$1,139

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 18/9

09:20-19:52

2 stops49h 32m

Houston George Bush Intcntl

Tue 22/9

16:45-07:20

1 stop23h 35m

$1,186

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 18/9

09:20-21:52

2 stops27h 32m

Houston George Bush Intcntl

Wed 23/9

10:00-07:20

3 stops30h 20m

$1,233

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 6/11

09:15-07:55

Nonstop15h 40m

Houston George Bush Intcntl

Tue 10/11

21:45-09:20

1 stop42h 35m

$1,726

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 18/9

10:20-17:06

2 stops21h 46m

Houston George Bush Intcntl

Sun 4/10

08:30-07:55

1 stop31h 25m

$1,732

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 23/10

11:55-15:25

1 stop19h 30m

Houston George Bush Intcntl

Fri 13/11

19:55-10:35

1 stop21h 40m

$1,844

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Wed 2/9

09:20-15:51

1 stop21h 31m

Houston George Bush Intcntl

Wed 9/9

10:02-07:20

2 stops30h 18m

$2,085

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Mon 26/10

09:55-18:35

2 stops24h 40m

Houston George Bush Intcntl

Mon 26/10

20:55-08:35

1 stop19h 40m

$2,129
Fastest return journey

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Tue 20/10

10:30-13:40

1 stop19h 10m

Houston George Bush Intcntl

Wed 18/11

20:25-07:00

Nonstop17h 35m

$2,409

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Wed 21/10

11:20-20:26

1 stop25h 06m

Houston George Bush Intcntl

Sun 25/10

21:25-07:00

Nonstop17h 35m

$2,892

Flights are sorted by cheapest return flights first.

Deals found on 2/8

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 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 Sydney to Houston George Bush Intcntl Airport

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

The price you pay for your flight from Sydney to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 76 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 Sydney to Houston George Bush Intcntl Airport?

Currently, March is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $1,447). Flying from Sydney to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $2,028). 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 for a return flight from Sydney to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment.

Sydney to Houston George Bush Intcntl Airport flights typically cost between $1,321 and $1,803 in September.
The cheapest return price found within the last 5 days was $1,143 on Air Canada (2 Sept–9 Sept).

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 7 August 2026.
Read through reviews of airlines operating flights from Sydney to Houston George Bush Intcntl Airport, such as Air New Zealand,Qantas Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
659 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very Good
659 reviews
Air New Zealand
8.0
Very Good
659 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Qantas Airways
7.5
Good
1,079 reviews
Air New Zealand
8.0
Very Good
659 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
United Airlines
7.4
Good
10,085 reviews
Air New Zealand
8.0
Very Good
659 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
American Airlines
7.1
Good
11,884 reviews
Air New Zealand
8.0
Very Good
659 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air Canada
7.1
Good
11,449 reviews
Air New Zealand
8.0
Very Good
659 reviews
Check prices

Entertainment

7.4

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

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?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Houston George Bush Intcntl. You should not have trouble finding flights to Houston George Bush Intcntl from Kingsford Smith; the airport handles an average of 0 outbound flights to Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Sydney airport to Houston George Bush Intcntl. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

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

    Airlines like Air Canada and United Airlines fly from Sydney to Houston George Bush Intcntl Airport in about 15h 40m. The time it takes to get you to your destination can typically vary by up to 33h 52m. The distance from Sydney to Houston George Bush Intcntl Airport is about 13826 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at $429, American Airlines will fly you from Sydney to Houston George Bush Intcntl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Fiji Airways and Air New Zealand - these airlines can fly you to your destination from $764 and $1,234, respectively. Users have found that American Airlines is 74% cheaper than the other options available to this destination.

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

    While on average a flight from Sydney to Houston George Bush Intcntl Airport is generally $2,278, our data shows the cheapest flight currently is $933. When looking at the most popular route, (Sydney Kingsford Smith - Houston George Bush Intcntl), you can expect to pay $1,414 for that flight.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $1,447). Flying from Sydney to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $2,028). 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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Fly from Sydney to George Bush Intcntl on these airlines

Choose from the following airlines for your flight from Sydney to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 7 August 2026.
Air New Zealand flights from Sydney Kingsford Smith to Houston George Bush Intcntl
United Airlines flights from Sydney Kingsford Smith to Houston George Bush Intcntl

Top 6 airlines flying from Sydney to George Bush Intcntl

Discover the top 6 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 647,157 searches. Data last updated 7 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$429Average$1,514FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Fiji AirwaysCheapest$764Average$818FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
Air New ZealandCheapest$1,234Average$1,527FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,247Average$1,578FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,351Average$1,817FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,354Average$1,595FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to George Bush Intcntl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to George Bush Intcntl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Sydney to George Bush Intcntl?

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to George Bush Intcntl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Sydney to George Bush Intcntl with no change fees?

Yes! Cheapflights helps users easily find flights from Sydney to George Bush Intcntl with no change fees.

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

Yes, Cheapflights offers price alerts on Sydney to George Bush Intcntl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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