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Cheap flights from Sydney to Houston from $648

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Houston departing on 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Houston

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
09:20 - 19:52
SYD
-
IAH
49h 32m
2 stops
Air Canada Logo
10:00 - 07:20
IAH
-
SYD
30h 20m
2 stops
$1,107Air Canada
Mon, 14 Sep - Mon, 21 Sep
Air Canada Logo
09:20 - 19:52
SYD
-
IAH
49h 32m
2 stops
Air Canada Logo
16:45 - 07:20
IAH
-
SYD
23h 35m
1 stop
$1,113Air Canada
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
06:00 - 15:51
SYD
-
IAH
24h 51m
2 stops
Multiple Airlines Logo
05:15 - 07:20
IAH
-
SYD
35h 05m
2 stops
$1,238Multiple Airlines
Thu, 13 Aug - Thu, 27 Aug
Air New Zealand Logo
11:20 - 14:38
SYD
-
IAH
20h 18m
1 stop
Air New Zealand Logo
11:55 - 09:35
IAH
-
SYD
28h 40m
2 stops
$1,262Air New Zealand
Wed, 25 Nov - Tue, 26 Jan
Multiple Airlines Logo
09:20 - 15:51
SYD
-
IAH
21h 31m
1 stop
Multiple Airlines Logo
16:50 - 10:40
IAH
-
SYD
26h 50m
2 stops
$1,292Multiple Airlines
Sat, 15 Aug - Fri, 21 Aug
Air New Zealand Logo
10:20 - 15:37
SYD
-
IAH
21h 17m
1 stop
Air New Zealand Logo
16:45 - 08:20
IAH
-
SYD
23h 35m
1 stop
$1,403Air New Zealand
Fri, 9 Oct - Fri, 23 Oct
American Airlines Logo
09:10 - 21:59
SYD
-
IAH
27h 49m
2 stops
American Airlines Logo
20:04 - 08:05
IAH
-
SYD
20h 01m
1 stop
$1,634American Airlines
Wed, 16 Sep - Wed, 7 Oct
American Airlines Logo
09:10 - 20:33
SYD
-
IAH
26h 23m
2 stops
American Airlines Logo
20:04 - 08:05
IAH
-
SYD
20h 01m
1 stop
$1,634American Airlines
Tue, 22 Sep - Wed, 7 Oct
United Airlines Logo
09:15 - 07:55
SYD
-
IAH
15h 40mdirect
United Airlines Logo
20:25 - 07:00
IAH
-
SYD
17h 35mdirect
$1,642United Airlines
Wed, 25 Nov - Tue, 26 Jan
United Airlines Logo
09:20 - 08:00
SYD
-
IAH
15h 40mdirect
United Airlines Logo
20:25 - 07:00
IAH
-
SYD
17h 35mdirect
$1,643United Airlines
Mon, 2 Nov - Wed, 11 Nov

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Air Canada flights from Sydney to Houston George Bush Intcntl Airport

Our best Air Canada deals on Sydney to Houston George Bush Intcntl Airport flight tickets
Air Canada
14 Sept
SYD09:20Sydney Kingsford Smith
49h 32m
2 stops
IAH19:52Houston George Bush Intcntl
21 Sept
IAH10:00Houston George Bush Intcntl
30h 20m
2 stops
SYD07:20Sydney Kingsford Smith
$1,107
Air Canada
14 Sept
SYD09:20Sydney Kingsford Smith
49h 32m
2 stops
IAH19:52Houston George Bush Intcntl
21 Sept
IAH16:45Houston George Bush Intcntl
23h 35m
1 stop
SYD07:20Sydney Kingsford Smith
$1,113
Air Canada
20 Oct
SYD10:20Sydney Kingsford Smith
43h 03m
2 stops
IAH13:23Houston George Bush Intcntl
27 Oct
IAH16:25Houston George Bush Intcntl
48h 10m
2 stops
SYD08:35Sydney Kingsford Smith
$1,114

American Airlines flights from Sydney to Houston George Bush Intcntl Airport

Our best American Airlines deals on Sydney to Houston George Bush Intcntl Airport flight tickets
American Airlines
6 Aug
SYD09:10Sydney Kingsford Smith
26h 30m
2 stops
IAH20:40Houston George Bush Intcntl
18 Aug
IAH14:09Houston George Bush Intcntl
25h 56m
2 stops
SYD07:05Sydney Kingsford Smith
$1,634
American Airlines
13 Aug
SYD09:10Sydney Kingsford Smith
25h 36m
1 stop
IAH19:46Houston George Bush Intcntl
27 Aug
IAH14:09Houston George Bush Intcntl
25h 46m
1 stop
SYD06:55Sydney Kingsford Smith
$1,717

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Houston George Bush Intcntl Airport 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, momondo users made 78,305 searches. Data last updated 3 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 - IAH

SYDIAH

Sydney Kingsford Smith

Mon 14/9

09:20-19:52

2 stops49h 32m

Houston George Bush Intcntl

Mon 21/9

10:00-07:20

2 stops30h 20m

$1,107

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 14/9

09:20-19:52

2 stops49h 32m

Houston George Bush Intcntl

Mon 21/9

16:45-07:20

1 stop23h 35m

$1,113

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 13/8

06:00-15:51

2 stops24h 51m

Houston George Bush Intcntl

Thu 27/8

05:15-07:20

2 stops35h 05m

$1,238

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 25/11

11:20-14:38

1 stop20h 18m

Houston George Bush Intcntl

Tue 26/1

11:55-09:35

2 stops28h 40m

$1,262

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sat 15/8

09:20-15:51

1 stop21h 31m

Houston George Bush Intcntl

Fri 21/8

16:50-10:40

2 stops26h 50m

$1,292

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Fri 9/10

10:20-15:37

1 stop21h 17m

Houston George Bush Intcntl

Fri 23/10

16:45-08:20

1 stop23h 35m

$1,403

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 16/9

09:10-21:59

2 stops27h 49m

Houston George Bush Intcntl

Wed 7/10

20:04-08:05

1 stop20h 01m

$1,634

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 22/9

09:10-20:33

2 stops26h 23m

Houston George Bush Intcntl

Wed 7/10

20:04-08:05

1 stop20h 01m

$1,634
Fastest return journey

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 25/11

09:15-07:55

Nonstop15h 40m

Houston George Bush Intcntl

Tue 26/1

20:25-07:00

Nonstop17h 35m

$1,642

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 2/11

09:20-08:00

Nonstop15h 40m

Houston George Bush Intcntl

Wed 11/11

20:25-07:00

Nonstop17h 35m

$1,643

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Houston from

How to get the cheapest flight ticket from Sydney to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sydney and Houston George Bush Intcntl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $1,323 to $1,997.
The lowest price recently found on this route was $1,107.

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The cheapest month to fly to Houston George Bush Intcntl Airport from Sydney is in March. Flight prices, which tend to average around $1,450, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Houston George Bush Intcntl Airport from Sydney during November instead. Flights to Houston George Bush Intcntl Airport in November, while not as cheap as those in March, still average around $1,516.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that Tuesday is the least expensive day to fly to Houston George Bush Intcntl Airport. Tickets to fly out on this day can be as low as $2,076. On the other hand, Friday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $2,571.

What is the cheapest Sydney Kingsford Smith to Houston George Bush Intcntl flight route?

Fly from Sydney Kingsford Smith to Houston George Bush Intcntl for the best Sydney Kingsford Smith - Houston George Bush Intcntl flight prices

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

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $1,665 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Sydney for as low as $1,323 on momondo.

What cabin class options are available on Sydney to Houston George Bush Intcntl Airport flights?

There are 3 cabin classes available to choose from on Sydney to Houston George Bush Intcntl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sydney to Houston George Bush Intcntl Airport flights?

You could potentially save up to 11% on your flight if you consider stops on a Sydney to Houston George Bush Intcntl Airport flight.

How have Sydney to Houston George Bush Intcntl Airport flight prices changed over time?

As of August 2026, prices for Sydney to Houston George Bush Intcntl Airport flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Houston George Bush Intcntl Airport (SYD to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Houston George Bush Intcntl Airport

Best price found

$1,225

Fastest flight time

15h 40m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Sydney in the past 72 hours is $1,225. The best return flight deal from Sydney to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $1,652.
The fastest flight from Sydney to Houston George Bush Intcntl Airport takes 15h 40m
Direct flights go from Sydney to Houston George Bush Intcntl Airport every day.
Search flight deals

Frequently asked questions about flying from Sydney to Houston George Bush Intcntl Airport

  • How far is Sydney Kingsford Smith to Houston George Bush Intcntl by plane?

    The distance between Sydney Kingsford Smith and Houston George Bush Intcntl is about 13821.4 km. 15h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Houston George Bush Intcntl Airport were last updated today.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Houston George Bush Intcntl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The necessary travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Sydney to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Sydney to Houston George Bush Intcntl Airport?

Best airlines flying from Sydney to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Sydney to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free cancellation
Price
American AirlinesPriceFrom $430Free cancellationRating
7.1
11,842 reviews
Search American Airlines flights
Fiji AirwaysPriceFrom $766Free cancellationRating
8.0
249 reviews
Search Fiji Airways flights
Air New ZealandPriceFrom $1,237Free cancellationRating
8.0
657 reviews
Search Air New Zealand flights
United AirlinesPriceFrom $1,249Free cancellationRating
7.4
10,058 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,354Free cancellationRating
7.1
11,420 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,357Free cancellationRating
7.5
1,074 reviews
Search Qantas Airways flights

Travelling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Houston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Houston for you.

Can I find flights from Sydney to Houston with flexible booking policies on momondo?

Yes. All flights to Houston from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sydney to Houston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to Houston.

I’m not ready to book a flight from Sydney to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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