Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Houston from $435

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 10/17. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sydney to Houston

Cheap round-trip flights

Logo
2:15 pm - 11:23 pmSYD-IAH
25h 08m2 stops
Logo
6:44 am - 12:30 pmIAH-SYD
37h 46m2 stops
$796
Find Deal
Fri, Oct 17 - Fri, Oct 31
Logo
10:10 am - 7:42 pmSYD-IAH
25h 32m1 stop
Logo
11:42 am - 7:30 amIAH-SYD
27h 48m1 stop
$801
Find Deal
Tue, Oct 7 - Tue, Oct 14
Logo
10:10 am - 4:40 pmSYD-IAH
22h 30m1 stop
Logo
6:44 am - 9:00 amIAH-SYD
34h 16m1 stop
$808
Find Deal
Tue, Oct 21 - Tue, Oct 28
Logo
10:10 am - 4:40 pmSYD-IAH
22h 30m1 stop
Logo
6:44 am - 9:00 amIAH-SYD
34h 16m1 stop
$816
Find Deal
Tue, Oct 14 - Tue, Oct 28
Air Canada Logo
11:20 am - 4:24 pmSYD-IAH
22h 04m1 stop
Air Canada Logo
5:25 pm - 9:35 amIAH-SYD
23h 10m1 stop
$872Air Canada
Find Deal
Thu, Nov 13 - Thu, Nov 27
Air Canada Logo
11:20 am - 11:09 amSYD-IAH
40h 49m2 stops
Air Canada Logo
5:25 pm - 9:35 amIAH-SYD
23h 10m1 stop
$878Air Canada
Find Deal
Thu, Nov 13 - Thu, Nov 27
American Airlines Logo
11:15 am - 7:19 pmSYD-IAH
25h 04m1 stop
American Airlines Logo
7:52 pm - 9:00 amIAH-SYD
21h 08m1 stop
$945American Airlines
Find Deal
Wed, Mar 4 - Wed, Mar 18
United Airlines Logo
11:50 am - 10:25 amSYD-IAH
15h 35mnonstop
United Airlines Logo
8:25 pm - 7:00 amIAH-SYD
17h 35mnonstop
$947United Airlines
Find Deal
Mon, Nov 3 - Wed, Nov 12
American Airlines Logo
11:15 am - 7:19 pmSYD-IAH
25h 04m1 stop
American Airlines Logo
6:42 pm - 9:00 amIAH-SYD
22h 18m2 stops
$949American Airlines
Find Deal
Wed, Mar 4 - Wed, Mar 18
United Airlines Logo
11:50 am - 10:25 amSYD-IAH
15h 35mnonstop
United Airlines Logo
12:35 pm - 9:05 amIAH-SYD
27h 30m1 stop
$952United Airlines
Find Deal
Mon, Nov 3 - Wed, Nov 12

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
Nov 13
SYD11:20 amSydney Kingsford Smith
22h 04m
1 stop
IAH4:24 pmHouston George Bush Intcntl
Nov 27
IAH5:25 pmHouston George Bush Intcntl
23h 10m
1 stop
SYD9:35 amSydney Kingsford Smith
$872
Find similar
Air Canada
Nov 13
SYD11:20 amSydney Kingsford Smith
40h 49m
2 stops
IAH11:09 amHouston George Bush Intcntl
Nov 27
IAH5:25 pmHouston George Bush Intcntl
23h 10m
1 stop
SYD9:35 amSydney Kingsford Smith
$878
Find similar
Air Canada
Nov 13
SYD11:20 amSydney Kingsford Smith
27h 24m
2 stops
IAH9:44 pmHouston George Bush Intcntl
Nov 27
IAH11:55 amHouston George Bush Intcntl
28h 40m
2 stops
SYD9:35 amSydney Kingsford Smith
$884
Find similar

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
Mar 4
SYD11:15 amSydney Kingsford Smith
25h 04m
1 stop
IAH7:19 pmHouston George Bush Intcntl
Mar 18
IAH7:52 pmHouston George Bush Intcntl
21h 08m
1 stop
SYD9:00 amSydney Kingsford Smith
$945
Find similar
American Airlines
Mar 4
SYD11:15 amSydney Kingsford Smith
25h 04m
1 stop
IAH7:19 pmHouston George Bush Intcntl
Mar 18
IAH6:42 pmHouston George Bush Intcntl
22h 18m
2 stops
SYD9:00 amSydney Kingsford Smith
$949
Find similar
American Airlines
Sep 17
SYD9:10 amSydney Kingsford Smith
19h 19m
1 stop
IAH1:29 pmHouston George Bush Intcntl
Nov 26
IAH4:47 pmHouston George Bush Intcntl
23h 13m
1 stop
SYD9:00 amSydney Kingsford Smith
$1,153
Find similar

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 September 11, 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

Fly to

Route

Depart

Return

Price

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Fri 10/17

2:15 pm-11:23 pm

2 stops25h 08m

Houston George Bush Intcntl

Fri 10/31

6:44 am-12:30 pm

2 stops37h 46m

$796

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 10/7

10:10 am-7:42 pm

1 stop25h 32m

Houston George Bush Intcntl

Tue 10/14

11:42 am-7:30 am

1 stop27h 48m

$801

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 10/21

10:10 am-4:40 pm

1 stop22h 30m

Houston George Bush Intcntl

Tue 10/28

6:44 am-9:00 am

1 stop34h 16m

$808

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 10/14

10:10 am-4:40 pm

1 stop22h 30m

Houston George Bush Intcntl

Tue 10/28

6:44 am-9:00 am

1 stop34h 16m

$816

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 11/13

11:20 am-4:24 pm

1 stop22h 04m

Houston George Bush Intcntl

Thu 11/27

5:25 pm-9:35 am

1 stop23h 10m

$872

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 11/13

11:20 am-11:09 am

2 stops40h 49m

Houston George Bush Intcntl

Thu 11/27

5:25 pm-9:35 am

1 stop23h 10m

$878

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 3/4

11:15 am-7:19 pm

1 stop25h 04m

Houston George Bush Intcntl

Wed 3/18

7:52 pm-9:00 am

1 stop21h 08m

$945

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 11/3

11:50 am-10:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Wed 11/12

8:25 pm-7:00 am

Nonstop17h 35m

$947

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 3/4

11:15 am-7:19 pm

1 stop25h 04m

Houston George Bush Intcntl

Wed 3/18

6:42 pm-9:00 am

2 stops22h 18m

$949

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 11/3

11:50 am-10:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Wed 11/12

12:35 pm-9:05 am

1 stop27h 30m

$952

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Houston George Bush Intcntl Airport?

The month of August is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Sydney, with most prices found around $1,062. If you are unable to visit Houston George Bush Intcntl Airport during the month of August, then departing from Sydney during the month January is also very affordable. Most momondo users find prices during this month for around $1,085.

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 Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $1,336. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $1,741.

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

Our data shows that the cheapest Sydney to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $1,172. Try not to purchase tickets in the morning because they tend to be around $1,524. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 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 $1,236 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 $971 on momondo.

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

There are 3 cabin classes available to choose from on Sydney Kingsford Smith to Houston George Bush Intcntl 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 10% 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?

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

$499

Fastest flight time

15h 35m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Sydney in the past 72 hours is $499. The best round-trip flight deal from Sydney to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $834.
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 every day.
Search flight deals

  • 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
Air CanadaPriceFrom $885Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,044Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near Houston?

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

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.

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/11
Sat 10/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Houston