Cheap flights from Sydney to Houston George Bush Intcntl Airport from $801

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAH
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 Tuesday or Thursday 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 16 September 2025.

Round-trip from

$1,072

One-way from

$801

Popular in

December

Cheapest in

September

Average price

$1,556

Good round-trip deal

$1,255 or less

Good one-way deal

$748 or less
13/10-20/10
  • 13/10-20/10
  • 4 total stops
  • 69h 06m total
  • Sydney to Houston
27/10
  • 27/10
  • 2 total stops
  • 23h 57m total
  • Sydney to Houston
Highest demand for flights based on searches. 10% potential increase in price ($314 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($106 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to Houston George Bush Intcntl.
Price to beat on a one-way flight from Sydney Kingsford Smith to Houston George Bush Intcntl.

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 16 September 2025.

Mon 13/1014:15SYD - IAH
2 stops31h 05mMultiple Airlines
Mon 20/1006:44IAH - SYD
2 stops38h 01mMultiple Airlines
Deal found 15/9$1,072
Tue 14/1014:15SYD - IAH
2 stops31h 05mMultiple Airlines
Tue 21/1009:38IAH - SYD
3 stops35h 07mMultiple Airlines
Deal found 15/9$1,267
Fri 19/909:30SYD - IAH
2 stops35h 28mUnited Airlines
Sun 21/905:40IAH - SYD
1 stop34h 15mUnited Airlines
Deal found 15/9$1,325
Mon 27/1010:25SYD - IAH
2 stops24h 44mUnited Airlines
Sun 9/1119:50IAH - SYD
1 stop20h 15mUnited Airlines
Deal found 15/9$1,351
Thu 30/1017:45SYD - IAH
1 stop21h 38mMultiple Airlines
Thu 6/1107:30IAH - SYD
1 stop30h 55mMultiple Airlines
Deal found 15/9$1,366
Tue 21/1010:20SYD - IAH
1 stop24h 22mAir Canada
Fri 28/1118:25IAH - SYD
2 stops43h 30mAir Canada
Deal found 14/9$1,397

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 16 September 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 27/10

11:50-11:25

Nonstop15h 35m

Houston George Bush Intcntl

Sun 9/11

18:35-09:05

1 stop21h 30m

$1,354

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 30/10

17:45-23:23

1 stop21h 38m

Houston George Bush Intcntl

Thu 6/11

07:30-07:25

1 stop30h 55m

$1,366

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sat 18/10

10:10-16:35

2 stops22h 25m

Houston George Bush Intcntl

Wed 29/10

06:44-09:00

1 stop34h 16m

$1,417

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 21/10

10:20-18:42

1 stop24h 22m

Houston George Bush Intcntl

Fri 28/11

17:25-06:55

1 stop44h 30m

$1,418

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sun 9/11

11:20-16:24

1 stop22h 04m

Houston George Bush Intcntl

Sun 23/11

17:25-09:35

1 stop23h 10m

$1,441

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 13/10

10:10-17:13

2 stops23h 03m

Houston George Bush Intcntl

Mon 20/10

14:19-08:05

2 stops25h 46m

$1,447

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 10/2

11:50-10:25

Nonstop15h 35m

Houston George Bush Intcntl

Mon 16/2

12:25-09:05

2 stops27h 40m

$1,448

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 9/2

11:50-10:25

Nonstop15h 35m

Houston George Bush Intcntl

Mon 16/2

20:25-07:00

Nonstop17h 35m

$1,448

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 9/2

11:50-10:25

Nonstop15h 35m

Houston George Bush Intcntl

Sun 22/2

20:25-07:00

Nonstop17h 35m

$1,448

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 15/1

14:15-20:24

2 stops23h 09m

Houston George Bush Intcntl

Sun 1/2

12:30-06:50

2 stops25h 20m

$1,457

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 21 results
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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?

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

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 39 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, February is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $962). Flying from Sydney to Houston George Bush Intcntl Airport in December is currently the most expensive (average of $1,606). 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 16 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Sydney to Houston George Bush Intcntl Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Sydney to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly return from Sydney to George Bush Intcntl. Price data was last updated on 14 September 2025.

Travellers seeking maximum savings on their Sydney to Houston George Bush Intcntl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 16 September 2025.
Read through reviews of airlines operating flights from Sydney to Houston George Bush Intcntl Airport, such as Air New Zealand, Virgin Australia, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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 7 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 United Airlines and Air Canada fly from Sydney to Houston George Bush Intcntl Airport in about 15h 35m. The time it takes to get you to your destination can typically vary by up to 8h 47m. 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 $929, Qantas Airways will fly you from Sydney to Houston George Bush Intcntl Airport and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Air Canada - these airlines can fly you to your destination from $1,190 and $1,283, respectively. Users have found that Qantas Airways is 49% 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 $1,336, our data shows the cheapest flight currently is $741. When looking at the most popular route, (Sydney Kingsford Smith - Houston George Bush Intcntl), you can expect to pay $1,369 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, February is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $962). Flying from Sydney to Houston George Bush Intcntl Airport in December is currently the most expensive (average of $1,606). 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 16 September 2025.

Top 7 airlines flying from Sydney to George Bush Intcntl

Discover the top 7 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$929Average$1,194FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,190Average$1,704FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,283Average$1,669FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,325Average$2,045FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapest$1,363Average$1,605FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
ANACheapest$1,594Average$1,705FlexibilityNo cancel feeOn-time80%
Search ANA flights
Virgin AustraliaCheapest$1,809Average$2,584FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

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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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