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Cheap flights from Sydney to Houston from $580

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 10/26. 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 round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:15 pm - 11:56 pm
SYD
-
IAH
25h 41m
2 stops
Multiple Airlines Logo
6:10 am - 11:50 am
IAH
-
SYD
38h 40m
2 stops
$927Multiple Airlines
Mon, Jul 13 - Mon, Jul 27
Air Canada Logo
10:20 am - 3:37 pm
SYD
-
IAH
21h 17m
1 stop
Air Canada Logo
12:10 pm - 8:35 am
IAH
-
SYD
52h 25m
3 stops
$985Air Canada
Thu, Oct 8 - Mon, Oct 26
Air Canada Logo
10:20 am - 9:52 pm
SYD
-
IAH
27h 32m
2 stops
Air Canada Logo
12:10 pm - 8:35 am
IAH
-
SYD
52h 25m
3 stops
$993Air Canada
Thu, Oct 8 - Mon, Oct 26
Air Canada Logo
9:20 am - 8:50 am
SYD
-
IAH
38h 30m
2 stops
Air Canada Logo
6:10 pm - 9:35 am
IAH
-
SYD
22h 25m
1 stop
$994Air Canada
Tue, Sep 8 - Thu, Nov 12
Air Canada Logo
10:20 am - 3:37 pm
SYD
-
IAH
21h 17m
1 stop
Air Canada Logo
6:10 pm - 8:35 am
IAH
-
SYD
22h 25m
1 stop
$995Air Canada
Thu, Oct 8 - Mon, Oct 26
Air Canada Logo
9:20 am - 8:50 am
SYD
-
IAH
38h 30m
2 stops
Air Canada Logo
12:10 pm - 9:35 am
IAH
-
SYD
28h 25m
2 stops
$997Air Canada
Tue, Sep 8 - Thu, Nov 12
Air Canada Logo
10:20 am - 3:37 pm
SYD
-
IAH
21h 17m
1 stop
Air Canada Logo
12:10 pm - 8:35 am
IAH
-
SYD
28h 25m
2 stops
$999Air Canada
Thu, Oct 8 - Mon, Oct 26
Multiple Airlines Logo
6:15 am - 11:56 pm
SYD
-
IAH
32h 41m
2 stops
Multiple Airlines Logo
6:10 am - 11:50 am
IAH
-
SYD
38h 40m
2 stops
$1,006Multiple Airlines
Mon, Jul 13 - Mon, Jul 27
American Airlines Logo
9:10 am - 6:25 pm
SYD
-
IAH
24h 15m
2 stops
American Airlines Logo
8:20 pm - 8:05 am
IAH
-
SYD
19h 45m
1 stop
$1,007American Airlines
Mon, Sep 28 - Mon, Oct 5
Air Canada Logo
9:20 am - 6:42 pm
SYD
-
IAH
24h 22m
1 stop
Air Canada Logo
6:10 pm - 9:35 am
IAH
-
SYD
22h 25m
1 stop
$1,008Air Canada
Tue, Sep 8 - Thu, Nov 12

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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
Oct 8
SYD10:20 amSydney Kingsford Smith
21h 17m
1 stop
IAH3:37 pmHouston George Bush Intcntl
Oct 26
IAH12:10 pmHouston George Bush Intcntl
52h 25m
3 stops
SYD8:35 amSydney Kingsford Smith
$985
Air Canada
Oct 8
SYD10:20 amSydney Kingsford Smith
27h 32m
2 stops
IAH9:52 pmHouston George Bush Intcntl
Oct 26
IAH12:10 pmHouston George Bush Intcntl
52h 25m
3 stops
SYD8:35 amSydney Kingsford Smith
$993
Air Canada
Sep 8
SYD9:20 amSydney Kingsford Smith
38h 30m
2 stops
IAH8:50 amHouston George Bush Intcntl
Nov 12
IAH6:10 pmHouston George Bush Intcntl
22h 25m
1 stop
SYD9:35 amSydney Kingsford Smith
$994

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
Sep 28
SYD9:10 amSydney Kingsford Smith
24h 15m
2 stops
IAH6:25 pmHouston George Bush Intcntl
Oct 5
IAH8:20 pmHouston George Bush Intcntl
19h 45m
1 stop
SYD8:05 amSydney Kingsford Smith
$1,007
American Airlines
Sep 28
SYD9:10 amSydney Kingsford Smith
24h 15m
2 stops
IAH6:25 pmHouston George Bush Intcntl
Oct 5
IAH5:30 pmHouston George Bush Intcntl
23h 40m
2 stops
SYD9:10 amSydney Kingsford Smith
$1,036
American Airlines
Sep 6
SYD5:50 pmSydney Kingsford Smith
20h 54m
2 stops
IAH11:44 pmHouston George Bush Intcntl
Nov 11
IAH6:17 pmHouston George Bush Intcntl
21h 43m
2 stops
SYD9:00 amSydney Kingsford Smith
$1,088

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 11, 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 round-trip

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 7/13

1:15 pm-11:56 pm

2 stops25h 41m

Houston George Bush Intcntl

Mon 7/27

6:10 am-11:50 am

2 stops38h 40m

$927

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 10/8

10:20 am-3:37 pm

1 stop21h 17m

Houston George Bush Intcntl

Mon 10/26

12:10 pm-8:35 am

3 stops52h 25m

$985

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 10/8

10:20 am-9:52 pm

2 stops27h 32m

Houston George Bush Intcntl

Mon 10/26

12:10 pm-8:35 am

3 stops52h 25m

$993

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 9/8

9:20 am-8:50 am

2 stops38h 30m

Houston George Bush Intcntl

Thu 11/12

6:10 pm-9:35 am

1 stop22h 25m

$994
Quickest round-trip

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 10/8

10:20 am-3:37 pm

1 stop21h 17m

Houston George Bush Intcntl

Mon 10/26

6:10 pm-8:35 am

1 stop22h 25m

$995

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 9/8

9:20 am-8:50 am

2 stops38h 30m

Houston George Bush Intcntl

Thu 11/12

12:10 pm-9:35 am

2 stops28h 25m

$997

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 10/8

10:20 am-3:37 pm

1 stop21h 17m

Houston George Bush Intcntl

Mon 10/26

12:10 pm-8:35 am

2 stops28h 25m

$999

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 7/13

6:15 am-11:56 pm

2 stops32h 41m

Houston George Bush Intcntl

Mon 7/27

6:10 am-11:50 am

2 stops38h 40m

$1,006

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 9/28

9:10 am-6:25 pm

2 stops24h 15m

Houston George Bush Intcntl

Mon 10/5

8:20 pm-8:05 am

1 stop19h 45m

$1,007

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 9/8

9:20 am-6:42 pm

1 stop24h 22m

Houston George Bush Intcntl

Thu 11/12

6:10 pm-9:35 am

1 stop22h 25m

$1,008

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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

The month of March is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Sydney, with most prices found around $1,020. If you are unable to visit Houston George Bush Intcntl Airport during the month of March, then departing from Sydney during the month September is also very affordable. Most momondo users find prices during this month for around $1,032.

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

The cheapest day to depart from Sydney to Houston George Bush Intcntl Airport is on a Monday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Monday will often find tickets for as low as $1,177. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Friday is $1,835.

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 $1,132 when searching weeks out. 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 $832 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 48% 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 June 2026, prices for Sydney to Houston George Bush Intcntl Airport flights are approximately 9% more expensive 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 round-trip 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

Fastest flight time

15h 35m

Direct flights

Tue, Wed, Fri and Sun
The fastest flight from Sydney to Houston George Bush Intcntl Airport takes 15h 35m
Direct flights go from Sydney to Houston George Bush Intcntl Airport on Tuesday, Wednesday, Friday and Sunday. There are no airlines offering direct flights.
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?

    Sydney Kingsford Smith and Houston George Bush Intcntl are 8588.3 mi apart from one another. By plane, this route typically takes 15h 35m.

  • 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 are refreshed on a daily basis.

  • 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 travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek 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
United AirlinesPriceFrom $1,104Free CancellationRating
7.4
9,805 reviews
Search United Airlines flights

Traveling to a place near Houston?

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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. momondo allows you to filter the results for Sydney to Houston flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Sydney.

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

If you are not ready to book a flight from Sydney to Houston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Houston and let you know when they change.

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