Cheap flights from Sydney to Houston George Bush Intcntl Airport from $855

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAH
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Houston George Bush Intcntl are usually found in October or September, booked 13 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 18 December 2025.

Mon 29/1211:50SYD - IAH
Nonstop15h 35mUnited Airlines
Sun 25/109:50IAH - SYD
1 stop30h 25mUnited Airlines
Deal found 17/12$1,676
Mon 22/1211:50SYD - IAH
Nonstop15h 35mUnited Airlines
Mon 5/116:25IAH - SYD
1 stop23h 50mUnited Airlines
Deal found 16/12$1,682
Mon 29/1210:40SYD - IAH
2 stops23h 55mDelta
Sun 25/106:20IAH - SYD
1 stop33h 10mDelta
Deal found 17/12$1,685
Sat 20/1211:50SYD - IAH
Nonstop15h 35mUnited Airlines
Sun 18/112:40IAH - SYD
2 stops27h 35mUnited Airlines
Deal found 16/12$1,779

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 18 December 2025.

Round-trip from

$1,347

One-way from

$877

Popular in

December

Cheapest in

October

Average price

$2,435

Good round-trip deal

$1,797 or less

Good one-way deal

$1,349 or less
31/1-7/2
  • 31/1-7/2
  • 4 total stops
  • 54h 17m total
  • Sydney to Houston
2/2
  • 2/2
  • 3 total stops
  • 52h 44m total
  • Sydney to Houston
Highest demand for flights based on searches. 7% potential increase in price ($207 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($90 potential savings vs. average return price).
Average for round-trip flights in December 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.

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 18 December 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

Sat 31/1

06:00-23:55

2 stops34h 55m

Houston George Bush Intcntl

Sat 7/2

08:00-12:35

3 stops35h 35m

$1,531

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 4/3

11:45-14:05

1 stop19h 20m

Houston George Bush Intcntl

Wed 11/3

21:05-10:30

1 stop21h 25m

$1,595

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Fri 1/5

09:55-16:25

1 stop21h 30m

Houston George Bush Intcntl

Wed 13/5

21:55-08:45

1 stop19h 50m

$1,661

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 2/2

11:50-10:25

Nonstop15h 35m

Houston George Bush Intcntl

Mon 16/2

18:12-09:15

1 stop22h 03m

$1,676

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 29/12

10:40-23:56

1 stop30h 16m

Houston George Bush Intcntl

Sun 25/1

06:20-06:50

1 stop31h 30m

$1,685

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 29/12

12:10-17:10

1 stop22h 00m

Houston George Bush Intcntl

Sun 25/1

17:30-09:05

1 stop22h 35m

$1,687

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Fri 1/5

11:55-16:25

1 stop19h 30m

Houston George Bush Intcntl

Fri 15/5

21:55-08:45

1 stop19h 50m

$1,729

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sun 15/2

11:50-10:25

Nonstop15h 35m

Houston George Bush Intcntl

Sun 1/3

18:34-09:05

1 stop21h 31m

$1,752

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sat 24/1

06:20-23:55

3 stops34h 35m

$855

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sat 31/1

13:50-23:55

2 stops27h 05m

$925

Flights are sorted by cheapest return flights first.

Deals found on 14/12

Showing 1-10 of 19 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 December 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 13 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, April is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $936). Flying from Sydney to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $1,675). 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 18 December 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Sydney to Houston George Bush Intcntl Airport by exploring options for tickets in the evening.

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 18 December 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.

Food

7.4

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

Food

7.4

Entertainment

7.5

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LAX - ORD

Overall good experience with united . I fly united most part so nothing out of obvious i guess

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 3 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 New Zealand and United Airlines 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 3h 45m. 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 $936, 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 Air Canada and Air New Zealand - these airlines can fly you to your destination from $1,292 and $1,367, respectively. Users have found that Qantas Airways is 47% cheaper than the other options available to this destination.

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

    Before booking your flight to Houston George Bush Intcntl Airport from Sydney, have a look at the most reliable airlines to get you to your destination on time: Virgin Australia (84%), United Airlines (84%), Lufthansa( 84%).

  • 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 $2,056, our data shows the cheapest flight currently is $1,284. When looking at the most popular route, (Sydney Kingsford Smith - Houston George Bush Intcntl), you can expect to pay $1,528 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, April is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $936). Flying from Sydney to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $1,675). 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 18 December 2025.

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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$936Average$1,172FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,292Average$1,661FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,367Average$1,620FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,481Average$2,007FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest$1,605Average$1,702FlexibilityNo cancel feeOn-time80%
Search ANA flights
Virgin AustraliaCheapest$1,889Average$2,560FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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

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

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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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