Sydney

$522+ Cheap flights from Houston to Sydney (SYD)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
Jul 27 — Aug 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Sydney 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.

Cheap flight deals from Houston to Sydney

Cheapest flights from Houston to Sydney
Explore the most affordable flight options available from Houston to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.

This Trip.com deal was found by Cheapflights users on 6/26. 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.
Sat 9/54:02 pm
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Fri 9/116:15 am
SYD
-
IAH
3 stops43h 25m
Multiple Airlines
Deal found 6/26$1,129
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Wed 8/124:02 pm
IAH
-
SYD
2 stops39h 23m
Multiple Airlines
Wed 8/195:50 pm
SYD
-
IAH
1 stop21h 06m
Multiple Airlines
Deal found 6/26$1,227
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Tue 9/229:55 pm
IAH
-
SYD
2 stops46h 55m
Multiple Airlines
Tue 10/66:50 pm
SYD
-
IAH
1 stop32h 36m
Multiple Airlines
Deal found 6/26$1,228
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Wed 8/194:02 pm
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Mon 11/1611:15 am
SYD
-
IAH
1 stop41h 11m
Multiple Airlines
Deal found 6/26$1,233
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Thu 8/64:02 pm
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Tue 8/115:50 pm
SYD
-
IAH
1 stop21h 06m
Multiple Airlines
Deal found 6/23$1,262
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Thu 8/134:02 pm
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Thu 8/205:50 pm
SYD
-
IAH
1 stop21h 06m
Multiple Airlines
Deal found 6/24$1,264
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Thu 10/19:55 pm
IAH
-
SYD
2 stops46h 55m
Multiple Airlines
Fri 10/236:50 pm
SYD
-
IAH
1 stop32h 36m
Multiple Airlines
Deal found 6/23$1,265
This oojo deal was found by Cheapflights users on 6/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:00 am
IAH
-
SYD
2 stops33h 40m
Air New Zealand
Tue 11/1711:45 am
SYD
-
IAH
1 stop19h 30m
Air New Zealand
Deal found 6/25$1,270
This oojo deal was found by Cheapflights users on 6/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:30 pm
IAH
-
SYD
2 stops25h 15m
Air New Zealand
Mon 9/149:55 am
SYD
-
IAH
1 stop21h 30m
Air New Zealand
Deal found 6/23$1,272
This oojo deal was found by Cheapflights users on 6/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:30 pm
IAH
-
SYD
2 stops24h 15m
Air New Zealand
Mon 1/112:05 pm
SYD
-
IAH
2 stops24h 20m
Air New Zealand
Deal found 6/25$1,273
This BusinessClass deal was found by Cheapflights users on 6/23. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:49 pm
HOU
-
SYD
2 stops26h 01m
Fiji Airways
Tue 8/46:15 am
SYD
-
HOU
2 stops28h 42m
Fiji Airways
Deal found 6/23$1,484
This KAYAK deal was found by Cheapflights users on 6/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:57 pm
HOU
-
SYD
2 stops28h 53m
Fiji Airways
Thu 8/201:15 pm
SYD
-
HOU
2 stops25h 41m
Fiji Airways
Deal found 6/24$1,598

Find flight deals from Houston to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Sydney (SYD). 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 June 27, 2026.

Round-trip from

$1,129
(Trip.com)

One-way from

$522
(Kiwi.com)

Popular in

January

Cheapest in

July

Average price

$1,566
From Houston to Sydney Kingsford Smith
One-way flight from Houston to Sydney Kingsford Smith
Highest demand for flights based on searches. 11% potential increase in price ($180 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Sydney 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 June 27, 2026.
Use the filters below to find and compare flights from Houston to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 8/8

9:55 pm-8:45 am

1 stop19h 50m

Sydney Kingsford Smith

Mon 8/17

11:55 am-4:25 pm

1 stop19h 30m

$1,405

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 9/28

6:00 am-6:50 am

2 stops33h 50m

Sydney Kingsford Smith

Tue 10/6

10:15 am-9:43 pm

2 stops27h 28m

$1,661

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 7/26

10:40 am-6:50 am

2 stops29h 10m

Sydney Kingsford Smith

Sat 8/8

9:15 am-9:23 pm

2 stops27h 08m

$1,712

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 11/19

6:00 am-8:30 am

2 stops33h 30m

Sydney Kingsford Smith

Thu 11/26

10:40 am-9:43 pm

2 stops28h 03m

$1,762
Quickest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 11/14

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Tue 11/24

9:20 am-8:00 am

Nonstop15h 40m

$1,892

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 10/12

5:15 pm-7:55 am

1 stop22h 40m

Sydney Kingsford Smith

Fri 11/6

9:15 am-7:55 am

Nonstop15h 40m

$1,897

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 11/14

6:00 am-8:30 am

2 stops33h 30m

Sydney Kingsford Smith

Tue 11/24

10:40 am-9:43 pm

2 stops28h 03m

$1,910

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 11/21

10:20 pm-9:20 am

1 stop42h 00m

Sydney Kingsford Smith

Sat 12/5

9:20 am-8:00 am

Nonstop15h 40m

$1,915

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 11/19

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Sat 11/28

9:20 am-8:00 am

Nonstop15h 40m

$1,942

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 11/19

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Thu 11/26

9:20 am-8:00 am

Nonstop15h 40m

$1,943

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 38 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Houston to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Houston 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 Houston to Sydney

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

Currently, December is the cheapest month in which you can book a flight from Houston to Sydney (average of $71). Flying from Houston to Sydney in January is currently the most expensive (average of $847). 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.

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

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

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

The best insider tips for Houston to Sydney 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 Houston to Sydney trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

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.

John Walton

John Walton

Expert on SYD

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.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated June 27, 2026.
Read reviews from past customers who have flown Air New Zealand,Delta, andQantas Airways from Houston to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.

Entertainment

7.4

Food

7.4

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Debra,Mar 2026

HNL - AKL

My seat was very comfortable. The movies were good. The food was delicious. It ran on time.

Related info for your journey

Find useful and relevant information for your journey from Houston to Sydney. 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 into for flights to Sydney from Houston?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Sydney from Houston. Booking flights from Houston to Kingsford Smith (SYD) should be relatively easy as there are 0 daily inbound flights from Houston from 6 different airlines.

  • How long is the flight from Houston to Sydney?

    Departing from Houston to Sydney will take you 17h 35m. The distance from Houston to Sydney is about 8591 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $203, Delta will fly you from Houston to Sydney and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qantas Airways and Air Canada - these airlines can fly you to your destination from $447 and $822, respectively. Delta is 84% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $385. However, be on the lookout for offers from United Airlines and Air New Zealand, as they are both options that can get you from Houston to Sydney for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Sydney 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 Houston to Sydney?

    Currently, December is the cheapest month in which you can book a flight from Houston to Sydney (average of $71). Flying from Houston to Sydney in January is currently the most expensive (average of $847). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

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 6 airlines flying from Houston to Sydney

Discover the top 6 airlines that operate flights from Houston to Sydney. 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 June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$402FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$447Average$900FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$822Average$1,331FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$831Average$918FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$839Average$1,628FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,022Average$1,336FlexibilityNo cancel feeOn-time78%

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.