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$566+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — HOU
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Houston are usually found in November or October, booked 63 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap 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 December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/2911:50 amSYD - IAH
Nonstop15h 35mUnited Airlines
Sun 1/256:50 pmIAH - SYD
1 stop21h 15mUnited Airlines
Deal found 12/16$1,111
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Wed 12/1711:50 amSYD - IAH
Nonstop15h 35mUnited Airlines
Sun 1/184:25 pmIAH - SYD
1 stop23h 40mUnited Airlines
Deal found 12/13$1,113
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/232:00 pmSYD - IAH
1 stop23h 48mUnited Airlines
Mon 1/125:25 amIAH - SYD
1 stop31h 55mUnited Airlines
Deal found 12/14$1,118
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sat 12/2011:50 amSYD - IAH
Nonstop15h 35mUnited Airlines
Sun 1/189:50 amIAH - SYD
1 stop30h 25mUnited Airlines
Deal found 12/14$1,167
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/295:45 pmSYD - HOU
2 stops23h 01mAmerican Airlines
Sun 1/2512:47 pmHOU - SYD
2 stops24h 23mAmerican Airlines
Deal found 12/16$1,673
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:40 amSYD - HOU
2 stops24h 10mDelta
Sun 1/255:45 amHOU - SYD
2 stops32h 05mDelta
Deal found 12/15$1,678
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/282:05 pmSYD - HOU
1 stop18h 42mAmerican Airlines
Sun 1/49:05 amHOU - SYD
1 stop28h 50mAmerican Airlines
Deal found 12/16$1,723
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:40 amSYD - HOU
2 stops24h 10mDelta
Sun 1/46:00 amHOU - SYD
2 stops33h 30mDelta
Deal found 12/16$1,726
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/1611:20 amSYD - HOU
2 stops21h 33mAmerican Airlines
Tue 12/234:21 pmHOU - SYD
2 stops23h 39mAmerican Airlines
Deal found 12/15$2,098
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:40 amSYD - HOU
2 stops24h 10mDelta
Fri 1/26:00 amHOU - SYD
2 stops33h 30mDelta
Deal found 12/15$2,152
This BestPriceTravel deal was found by Cheapflights users on 12/16. 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 12/232:05 pmSYD - HOU
1 stop22h 45mQantas Airways
Sun 12/284:17 pmHOU - SYD
1 stop21h 38mQantas Airways
Deal found 12/16$2,617

Find 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 December 16, 2025.

Round-trip from

$873
(Trip.com)

One-way from

$566
(Mytrip)

Popular in

January

Cheapest in

November

Average price

$1,405
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. 8% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 16, 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

Thu 1/29

6:00 am-12:19 am

2 stops35h 19m

Houston George Bush Intcntl

Thu 2/5

4:13 pm-12:35 pm

2 stops27h 22m

$902

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

2:35 pm-9:15 am

1 stop25h 40m

$1,111

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 3/9

11:50 am-11:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Wed 3/25

4:25 pm-6:20 am

1 stop21h 55m

$1,112

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 12/29

11:50 am-10:25 am

Nonstop15h 35m

Houston George Bush Intcntl

Sun 1/25

8:25 pm-7:00 am

Nonstop17h 35m

$1,112

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Tue 1/27

11:20 am-5:05 pm

2 stops22h 45m

Houston George Bush Intcntl

Wed 2/25

7:30 pm-9:00 am

1 stop20h 30m

$1,114

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 1/12

11:20 am-7:10 pm

2 stops24h 50m

Houston George Bush Intcntl

Mon 2/2

8:25 pm-7:00 am

Nonstop17h 35m

$1,118

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Wed 4/29

12:00 pm-5:59 pm

1 stop20h 59m

Houston Hobby

Wed 5/13

2:32 pm-6:55 am

1 stop25h 23m

$1,376

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Wed 4/29

9:15 am-9:20 am

2 stops39h 05m

Houston Hobby

Wed 5/13

10:05 am-6:35 am

2 stops29h 30m

$1,377

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Mon 3/9

1:15 pm-10:28 pm

2 stops25h 13m

Houston Hobby

Wed 3/25

10:35 am-7:25 am

2 stops28h 50m

$1,379

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Wed 1/21

10:40 am-10:33 pm

2 stops28h 53m

Houston Hobby

Wed 1/28

5:45 am-8:30 am

2 stops33h 45m

$1,579

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 34 results
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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 December 12, 2025.

The best time to book flights from Sydney to Houston is 62 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 $528). Flying from Sydney to Houston in December is currently the most expensive (average of $954). 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 December 16, 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.

The best insider tips for Sydney to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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 December 16, 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
9,094 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,094 reviews
United Airlines
7.4
Good
9,094 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
Air Canada
7.1
Good
10,527 reviews
United Airlines
7.4
Good
9,094 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 United Airlines, American Airlines, or Delta 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 $1,054 round trip. Air Canada is currently priced 38% below the average price you’ll pay for this route.

  • 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 $528). Flying from Sydney to Houston in December is currently the most expensive (average of $954). 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$737Average$928FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,054Average$1,590FlexibilityNo cancel feeOn-time69%

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