Cheap flights from Sydney to Houston George Bush Intcntl Airport from $616

SYD — IAH
4 Dec — 11 Dec1
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

Tue 10/1111:10 -
1 stop20h 21m
Tue 17/1115:19 -
1 stop24h 41m
Deal found 3/11$1,055
Tue 10/1111:15 -
2 stops23h 16m
Tue 17/1115:19 -
1 stop24h 41m
Deal found 3/11$1,056
Tue 10/1111:10 -
2 stops23h 53m
Tue 17/1116:14 -
2 stops23h 46m
Deal found 3/11$1,075
Thu 5/1110:40 -
2 stops26h 22m
Wed 18/1116:15 -
1 stop23h 15m
Deal found 3/11$1,129
Sat 26/1211:10 -
2 stops38h 09m
Fri 15/116:23 -
2 stops26h 22m
Deal found 31/10$1,232
Fri 25/1206:55 -
2 stops27h 08m
Fri 15/111:41 -
2 stops31h 04m
Deal found 31/10$1,271
Thu 24/1221:50 -
2 stops34h 53m
Fri 15/113:46 -
2 stops28h 59m
Deal found 31/10$1,274
Wed 2/1206:00 -
3 stops34h 25m
Wed 9/1212:52 -
3 stops32h 38m
Deal found 4/11$1,358
Sun 8/1114:00 -
3 stops27h 42m
Sun 15/1114:49 -
3 stops28h 46m
Deal found 1/11$1,692
Mon 9/1110:30 -
2 stops35h 43m
Thu 10/1216:20 -
2 stops46h 45m
Deal found 4/11$1,817
Mon 9/1110:30 -
2 stops36h 40m
Wed 9/1221:56 -
2 stops65h 09m
Deal found 4/11$1,841
Mon 23/1111:50 -
2 stops40h 18m
Sat 12/1221:56 -
1 stop42h 09m
Deal found 31/10$1,847

Find flight deals from Sydney to George Bush Intcntl

Round-trip from

$1,110

One-way from

$616

Popular in

January

Cheapest in

August

Average price

$1,529

Good round-trip deal

$1,132 or less

Good one-way deal

$624 or less
American Airlines
  • American Airlines
  • 1/2-14/2
  • 3 total stops
  • 52h 55m total
  • Sydney to Houston
1/2-31/12
  • 1/2-31/12
  • 3 total stops
  • 46h 56m total
  • Sydney to Houston
Highest demand for flights based on searches. 16% potential increase in price ($508 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease ($128 potential savings vs. average return price).
Average for round-trip flights in November 2026
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

 
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

Thu 19/11

10:40-23:50

1 stop30h 10m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$618

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Thu 4/2

10:40-14:38

1 stop20h 58m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$625

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 13/11

10:40-14:40

1 stop21h 00m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$702

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 27/11

06:20-11:27

3 stops46h 07m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,269

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Mon 23/11

09:55-14:15

1 stop21h 20m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,443
Fastest return journey

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 19/3

09:15-08:55

Nonstop15h 40m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,847

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Wed 24/2

09:15-07:55

Nonstop15h 40m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,960

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 4/12

10:40-17:20

2 stops23h 40m

Houston George Bush Intcntl

Mon 14/12

18:21-08:30

2 stops45h 09m

$1,984

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 27/11

09:15-07:55

Nonstop15h 40m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$2,075

SydneyHouston

SYD Sydney Kingsford Smith - IAH Houston George Bush Intcntl

SYDIAH

Sydney Kingsford Smith

Fri 27/11

09:15-07:55

Nonstop15h 40m

Houston George Bush Intcntl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$2,089

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

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 47 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, August is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $1,334). Flying from Sydney to Houston George Bush Intcntl Airport in January is currently the most expensive (average of $2,725). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Houston George Bush Intcntl Airport as you normally would.

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 $1,439 and $2,042 in February.
The cheapest return price found within the last 5 days was $1,110 on American Airlines (1 Feb–14 Feb).

Reviews of airlines servicing George Bush Intcntl

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.

Comfort

7.9

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Related info for your journey

  • 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 2 outbound flights to Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 5 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 Delta, Qantas Airways, 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 8h. 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 $601, 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 Qantas Airways and Air Canada - these airlines can fly you to your destination from $1,064 and $1,105, respectively. Users have found that American Airlines is 65% 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 (86%), United Airlines (86%), Lufthansa( 86%).

  • 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 $1,418, our data shows the cheapest flight currently is $553. When looking at the most popular route, (Sydney Kingsford Smith - Houston George Bush Intcntl), you can expect to pay $1,055 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, August is the cheapest month in which you can book a flight from Sydney to Houston George Bush Intcntl Airport (average of $1,334). Flying from Sydney to Houston George Bush Intcntl Airport in January is currently the most expensive (average of $2,725). 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

Browse thousands of different options on Cheapflights for your next trip

Fly from Sydney to George Bush Intcntl on these airlines

Top 5 airlines flying from Sydney to George Bush Intcntl

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$601Average$1,511FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,064Average$1,611FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,105Average$1,579FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,333Average$1,676FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,412Average$1,599FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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