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Cheap flights from Sydney to Houston from $445

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 11/3. 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.
Air Canada Logo
9:20 am - 3:51 pm
SYD
-
IAH
21h 31m
1 stop
Air Canada Logo
4:50 pm - 7:20 am
IAH
-
SYD
23h 30m
1 stop
$801Air Canada
Mon, Aug 24 - Mon, Aug 31
Air Canada Logo
9:20 am - 3:51 pm
SYD
-
IAH
21h 31m
1 stop
Air Canada Logo
6:45 am - 7:20 am
IAH
-
SYD
33h 35m
2 stops
$807Air Canada
Mon, Aug 24 - Mon, Aug 31
Air Canada Logo
9:20 am - 3:51 pm
SYD
-
IAH
21h 31m
1 stop
Air Canada Logo
10:00 am - 7:20 am
IAH
-
SYD
54h 20m
3 stops
$810Air Canada
Mon, Aug 24 - Mon, Aug 31
Air Canada Logo
9:20 am - 3:51 pm
SYD
-
IAH
21h 31m
1 stop
Air Canada Logo
4:50 pm - 7:20 am
IAH
-
SYD
23h 30m
1 stop
$822Air Canada
Mon, Aug 24 - Mon, Aug 31
Air Canada Logo
9:20 am - 3:51 pm
SYD
-
IAH
21h 31m
1 stop
Air Canada Logo
10:00 am - 7:20 am
IAH
-
SYD
54h 20m
2 stops
$822Air Canada
Mon, Aug 24 - Mon, Aug 31
Air Canada Logo
9:20 am - 7:38 pm
SYD
-
IAH
49h 18m
2 stops
Air Canada Logo
4:50 pm - 7:20 am
IAH
-
SYD
23h 30m
1 stop
$824Air Canada
Wed, Aug 12 - Thu, Aug 27
Air Canada Logo
9:20 am - 7:38 pm
SYD
-
IAH
49h 18m
2 stops
Air Canada Logo
4:50 pm - 7:20 am
IAH
-
SYD
23h 30m
1 stop
$824Air Canada
Tue, Aug 11 - Thu, Aug 27
Air Canada Logo
10:20 am - 7:06 pm
SYD
-
IAH
24h 46m
2 stops
Air Canada Logo
11:50 am - 8:35 am
IAH
-
SYD
52h 45m
2 stops
$825Air Canada
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
11:20 am - 11:15 am
SYD
-
IAH
39h 55m
2 stops
United Airlines Logo
5:35 pm - 9:20 am
IAH
-
SYD
22h 45m
1 stop
$1,383United Airlines
Fri, Oct 23 - Sun, Nov 1
United Airlines Logo
9:15 am - 8:55 am
SYD
-
IAH
15h 40mnonstop
United Airlines Logo
2:50 pm - 9:20 am
IAH
-
SYD
25h 30m
1 stop
$1,703United Airlines
Wed, Oct 28 - Tue, Dec 8

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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 22
SYD10:20 amSydney Kingsford Smith
24h 22m
1 stop
IAH6:42 pmHouston George Bush Intcntl
Oct 26
IAH6:10 pmHouston George Bush Intcntl
22h 25m
1 stop
SYD8:35 amSydney Kingsford Smith
$798
Air Canada
Aug 24
SYD9:20 amSydney Kingsford Smith
21h 31m
1 stop
IAH3:51 pmHouston George Bush Intcntl
Aug 31
IAH4:50 pmHouston George Bush Intcntl
23h 30m
1 stop
SYD7:20 amSydney Kingsford Smith
$801
Air Canada
Aug 6
SYD9:20 amSydney Kingsford Smith
21h 31m
1 stop
IAH3:51 pmHouston George Bush Intcntl
Aug 18
IAH10:00 amHouston George Bush Intcntl
54h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
$802

United Airlines flights from Sydney to Houston George Bush Intcntl Airport

Our best United Airlines deals on Sydney to Houston George Bush Intcntl Airport flight tickets
United Airlines
Jul 31
SYD10:20 amSydney Kingsford Smith
39h 44m
2 stops
IAH11:04 amHouston George Bush Intcntl
Aug 2
IAH7:20 amHouston George Bush Intcntl
32h 40m
1 stop
SYD7:00 amSydney Kingsford Smith
$877
United Airlines
Jul 30
SYD10:20 amSydney Kingsford Smith
39h 44m
2 stops
IAH11:04 amHouston George Bush Intcntl
Aug 6
IAH8:15 pmHouston George Bush Intcntl
19h 45m
1 stop
SYD7:00 amSydney Kingsford Smith
$1,383
United Airlines
Jul 30
SYD10:20 amSydney Kingsford Smith
39h 44m
2 stops
IAH11:04 amHouston George Bush Intcntl
Aug 6
IAH8:15 pmHouston George Bush Intcntl
19h 45m
1 stop
SYD7:00 amSydney Kingsford Smith
$1,384

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 July 28, 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 8/24

9:20 am-3:51 pm

1 stop21h 31m

Houston George Bush Intcntl

Mon 8/31

4:50 pm-7:20 am

1 stop23h 30m

$801

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 8/24

9:20 am-3:51 pm

1 stop21h 31m

Houston George Bush Intcntl

Mon 8/31

6:45 am-7:20 am

2 stops33h 35m

$807

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 8/24

9:20 am-3:51 pm

1 stop21h 31m

Houston George Bush Intcntl

Mon 8/31

10:00 am-7:20 am

3 stops54h 20m

$810

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 8/24

9:20 am-3:51 pm

1 stop21h 31m

Houston George Bush Intcntl

Mon 8/31

4:50 pm-7:20 am

1 stop23h 30m

$822

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 8/24

9:20 am-3:51 pm

1 stop21h 31m

Houston George Bush Intcntl

Mon 8/31

10:00 am-7:20 am

2 stops54h 20m

$822

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 8/12

9:20 am-7:38 pm

2 stops49h 18m

Houston George Bush Intcntl

Thu 8/27

4:50 pm-7:20 am

1 stop23h 30m

$824

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 8/11

9:20 am-7:38 pm

2 stops49h 18m

Houston George Bush Intcntl

Thu 8/27

4:50 pm-7:20 am

1 stop23h 30m

$824

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 10/22

10:20 am-7:06 pm

2 stops24h 46m

Houston George Bush Intcntl

Mon 10/26

11:50 am-8:35 am

2 stops52h 45m

$825

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Fri 10/23

11:20 am-11:15 am

2 stops39h 55m

Houston George Bush Intcntl

Sun 11/1

5:35 pm-9:20 am

1 stop22h 45m

$1,383
Quickest round-trip

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 10/28

9:15 am-8:55 am

Nonstop15h 40m

Houston George Bush Intcntl

Tue 12/8

2:50 pm-9:20 am

1 stop25h 30m

$1,703

Flights are sorted by cheapest round-trip 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 $931 to $1,405.
The lowest price recently found on this route was $798.

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 November is also very affordable. Most momondo users find prices during this month for around $1,067.

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 $1,172 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 $931 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 41% 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 July 2026, prices for Sydney to Houston George Bush Intcntl Airport flights are approximately 33% 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 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

Best Price Found

$980

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 $980. The best round-trip flight deal from Sydney to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $1,087.
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?

    Sydney Kingsford Smith and Houston George Bush Intcntl are 8588.3 mi apart from one another. By plane, this route typically takes 15h 40m.

  • 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
10,048 reviews
Search United Airlines flights

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Conroe
Montgomery
Spring
Cypress
Jersey Village
Livingston
Tomball

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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