HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$564+ Cheap flights from Sydney (SYD) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — HOU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sydney to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Houston are usually found in May or October, booked 47 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Find flight deals from Sydney to Houston

Cheapest flights from Sydney to Houston
Explore the most affordable flight options available from Sydney to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:00 pmSYD - IAH
2 stops25h 04mMultiple Airlines
Fri 12/57:45 amIAH - SYD
2 stops35h 50mMultiple Airlines
Deal found 10/29$813
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:10 pmSYD - IAH
2 stops31h 43mMultiple Airlines
Tue 12/25:00 amIAH - SYD
2 stops38h 30mMultiple Airlines
Deal found 10/28$880
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:20 amSYD - HOU
2 stops21h 34mAmerican Airlines
Wed 12/3110:13 amHOU - SYD
2 stops29h 47mAmerican Airlines
Deal found 10/30$946
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:20 amSYD - IAH
2 stops21h 40mAmerican Airlines
Wed 12/3110:37 amIAH - SYD
2 stops29h 23mAmerican Airlines
Deal found 10/30$946
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:50 amSYD - IAH
Nonstop15h 35mUnited Airlines
Wed 12/318:25 pmIAH - SYD
Nonstop17h 35mUnited Airlines
Deal found 10/30$958
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:10 pmSYD - IAH
2 stops24h 00mUnited Airlines
Tue 1/1310:00 amIAH - SYD
2 stops30h 05mUnited Airlines
Deal found 10/30$964
This BestPriceTravel deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:05 pmSYD - HOU
1 stop18h 49mQantas Airways
Fri 12/512:16 pmHOU - SYD
1 stop25h 39mQantas Airways
Deal found 10/29$966
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:45 pmSYD - IAH
2 stops34h 33mMultiple Airlines
Wed 1/217:30 amIAH - SYD
1 stop30h 55mMultiple Airlines
Deal found 10/30$981
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:20 amSYD - IAH
1 stop21h 38mAmerican Airlines
Wed 1/212:12 pmIAH - SYD
1 stop25h 48mAmerican Airlines
Deal found 10/30$996
This BYOjet deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:05 pmSYD - HOU
1 stop19h 04mQantas Airways
Wed 1/2112:47 pmHOU - SYD
1 stop25h 08mQantas Airways
Deal found 10/30$999
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1811:50 amSYD - IAH
Nonstop15h 35mUnited Airlines
Fri 12/58:25 pmIAH - SYD
Nonstop17h 35mUnited Airlines
Deal found 10/29$1,007
This Qantas Airways deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:05 pmSYD - HOU
1 stop18h 49mMultiple Airlines
Fri 12/54:25 pmHOU - SYD
1 stop21h 30mMultiple Airlines
Deal found 10/29$1,010

Cheap flight deals from Sydney to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Round-trip from

$813
(Trip.com)

One-way from

$564
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$1,082
From Sydney Kingsford Smith to Houston
Search Deals
One-way flight from Sydney Kingsford Smith to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Houston 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Sydney to Houston that are best for you.

Fly from

Sydney

Fly to

Houston

Route

Depart

Return

Price

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 11/18

2:00 pm-10:04 pm

2 stops25h 04m

Houston George Bush Intcntl

Fri 12/5

7:45 am-12:35 pm

2 stops35h 50m

$813

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Fri 2/20

11:20 am-4:24 pm

1 stop22h 04m

Houston George Bush Intcntl

Tue 2/24

5:25 pm-9:35 am

1 stop23h 10m

$942

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Thu 12/4

11:20 am-3:54 pm

2 stops21h 34m

Houston Hobby

Wed 12/31

10:13 am-9:00 am

2 stops29h 47m

$946

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 12/4

11:20 am-4:00 pm

2 stops21h 40m

Houston George Bush Intcntl

Wed 12/31

7:30 pm-9:00 am

1 stop20h 30m

$946

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 2/2

11:50 am-10:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Mon 2/16

8:25 pm-7:00 am

Nonstop17h 35m

$954

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 12/4

11:50 am-10:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Wed 12/31

3:30 pm-6:20 am

1 stop21h 50m

$958

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 12/9

11:50 am-10:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Tue 1/13

10:00 am-9:05 am

2 stops30h 05m

$958

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Tue 11/18

2:05 pm-3:54 pm

1 stop18h 49m

Houston Hobby

Fri 12/5

12:16 pm-6:55 am

1 stop25h 39m

$966

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sun 2/15

11:20 am-4:24 pm

1 stop22h 04m

Houston George Bush Intcntl

Sun 3/1

7:10 am-9:35 am

2 stops33h 25m

$970

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sun 2/15

11:50 am-10:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Sun 3/1

8:25 pm-7:00 am

Nonstop17h 35m

$1,003

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 36 results
1
2
3
4

Best time to book a flight from Sydney to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Sydney with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Houston

How far ahead should I book a flight from Sydney to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Houston. Price data was last updated on October 24, 2025.

The best time to book flights from Sydney to Houston is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sydney to Houston?

Currently, March is the cheapest month in which you can book a flight from Sydney to Houston (average of $554). Flying from Sydney to Houston in December is currently the most expensive (average of $1,063). 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 HOU?

Find hourly flight availability from Sydney to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from Sydney to Houston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 77% on airfare.

How much does it cost to fly round-trip from Sydney to Houston?

The best insider tips for Sydney to Houston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Sydney to Houston trip
Airports
SYD

Check terminal assignments before heading to SYD, as some domestic flights use the international terminal. Confirm your gate to avoid last-minute changes.

Read more about SYDby John Walton
IAH

For a quick ride to downtown Houston from IAH, use Uber or Lyft. They pick up at Terminals A, B, and C, and taxis are available at Terminal E.

Read more about IAHby Evie Carrick
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
John Walton

John Walton

Expert on SYD

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with United Airlines and Air Canada from Sydney to Houston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,381 reviews
United Airlines
7.4
Good
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Sydney to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sydney to Houston?

    Most people fly from Sydney Kingsford Smith (SYD) if they book a flight from Sydney to Houston. On average, Kingsford Smith has 0 outbound flights to Houston per day from 2 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • How long is the flight from Sydney to Houston?

    There are many flights that can get you from Sydney to Houston in 15h 35m. Fly via Air Canada, American Airlines, or United Airlines to get the fastest option. There are 8591 mi between Sydney and Houston. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Sydney to Houston round-trip?

    Flying on Air Canada is currently your cheapest option to Houston, with prices starting at $737. Another option worth looking into is United Airlines, starting at $1,044 round trip. Air Canada is currently priced 39% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Sydney to Houston one-way?

    One-way options have recently been found by users for as low as $662 on Air New Zealand. Other airlines that offer cheap prices include American Airlines from $862 and Delta from $868 one-way.

  • Can I find deals for flights from Sydney to Houston that include hotel bookings?

    Yes. In addition to deals on Sydney to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Houston.

  • Can I find deals for business class flights from Sydney to Houston?

    Yes. Cheapflights offers flight deals from Sydney to Houston 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?

    Currently, March is the cheapest month in which you can book a flight from Sydney to Houston (average of $554). Flying from Sydney to Houston in December is currently the most expensive (average of $1,063). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Sydney to Houston

Discover the top 2 airlines that operate flights from Sydney to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$737Average$928FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,044Average$1,423FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.