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$472+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Sydney Kingsford Smith are usually found in March or August, booked 46 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap 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 July 31, 2025.

Round-trip from

$933
(CrystalTravel)

One-way from

$472
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$982
From Houston to Sydney Kingsford Smith
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One-way flight from Houston to Sydney Kingsford Smith
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Highest demand for flights based on searches. 19% potential increase in price ($277 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This CrystalTravel deal was found by Cheapflights users on 7/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:35 amIAH - SYD
1 stop30h 50mANA
Sun 10/512:50 pmSYD - IAH
2 stops32h 27mANA
Deal found 7/30$933
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/218:12 pmIAH - SYD
1 stop19h 53mAmerican Airlines
Sun 10/510:10 amSYD - IAH
1 stop25h 28mAmerican Airlines
Deal found 7/30$938
This American Airlines deal was found by Cheapflights users on 7/31. 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 9/214:29 pmHOU - SYD
2 stops23h 36mAmerican Airlines
Sun 10/56:45 pmSYD - HOU
2 stops21h 03mAmerican Airlines
Deal found 7/31$957
This lol.travel deal was found by Cheapflights users on 7/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/214:55 pmIAH - SYD
1 stop23h 25mAir Canada
Sun 10/510:20 amSYD - IAH
1 stop21h 22mAir Canada
Deal found 7/30$960
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:10 amIAH - SYD
2 stops34h 35mMultiple Airlines
Wed 9/2411:50 amSYD - IAH
2 stops25h 36mMultiple Airlines
Deal found 7/30$988
This CrystalTravel deal was found by Cheapflights users on 7/31. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:05 pmIAH - SYD
1 stop21h 25mAir New Zealand
Sun 11/99:55 amSYD - IAH
1 stop21h 10mAir New Zealand
Deal found 7/31$996
This Fiji Airways deal was found by Cheapflights users on 7/31. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:39 pmHOU - SYD
2 stops26h 06mMultiple Airlines
Thu 11/62:00 pmSYD - HOU
2 stops22h 50mMultiple Airlines
Deal found 7/31$1,140

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 July 31, 2025.
Use the filters below to find and compare flights from Houston to Sydney that are best for you.

Fly from

Houston

Fly to

Sydney

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 9/22

11:35 am-9:25 am

1 stop30h 50m

Sydney Kingsford Smith

Sun 10/5

12:50 pm-5:17 am

2 stops32h 27m

$933

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 9/21

8:12 pm-7:05 am

1 stop19h 53m

Sydney Kingsford Smith

Sun 10/5

10:10 am-7:38 pm

1 stop25h 28m

$938

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 9/21

4:29 pm-7:05 am

2 stops23h 36m

Sydney Kingsford Smith

Sun 10/5

6:45 pm-11:48 pm

2 stops21h 03m

$957

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 9/21

4:55 pm-7:20 am

1 stop23h 25m

Sydney Kingsford Smith

Sun 10/5

10:20 am-3:42 pm

1 stop21h 22m

$960

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 9/10

7:10 am-8:45 am

2 stops34h 35m

Sydney Kingsford Smith

Wed 9/24

11:50 am-10:26 pm

2 stops25h 36m

$988

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 10/27

9:05 pm-10:30 am

1 stop21h 25m

Sydney Kingsford Smith

Sun 11/9

9:55 am-2:05 pm

1 stop21h 10m

$996

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/28

6:23 pm-12:45 pm

2 stops26h 22m

Sydney Kingsford Smith

Sat 11/8

2:30 pm-7:24 pm

2 stops21h 54m

$1,059

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 10/28

6:39 pm-12:45 pm

2 stops26h 06m

Sydney Kingsford Smith

Thu 11/6

2:00 pm-7:50 pm

2 stops22h 50m

$1,140

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 9/23

8:00 am-2:40 pm

3 stops39h 40m

$472

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/28

6:23 pm-12:45 pm

2 stops26h 22m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 25 results
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The best insider tips for Houston to Sydney 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 Houston to Sydney trip
Airports
IAH

Check the IAH Depart tab for current security checkpoint wait times to ensure a smooth departure experience.

Read more about IAHby Evie Carrick
SYD

Use the T8 Airport Line for a quick train ride to Sydney's central business district in 15-25 minutes.

Read more about SYDby John Walton
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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Sydney. Price data was last updated on July 25, 2025.

Booking 46 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.

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

Currently, February is the cheapest month in which you can book a flight from Houston to Sydney (average of $1,028). Flying from Houston to Sydney in December is currently the most expensive (average of $1,619). 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 HOU to SYD?

Find hourly flight availability from Houston to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Houston to Sydney by exploring options for tickets at noon.

What is the cheapest day to fly from Houston to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Houston to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Sydney flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 31, 2025.
Read reviews from past customers who have flown ANA, Japan Airlines, and Fiji 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.
ANA
8.4
Very good
922 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
ANA
8.4
Very good
922 reviews
ANA
8.4
Very good
922 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Japan Airlines
8.3
Very good
1,536 reviews
ANA
8.4
Very good
922 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Fiji Airways
8.0
Very good
202 reviews
ANA
8.4
Very good
922 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Air New Zealand
8.0
Very good
501 reviews
ANA
8.4
Very good
922 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
KLM
7.8
Good
1,383 reviews
ANA
8.4
Very good
922 reviews

Entertainment

7.9

Food

7.7

Overall

8.4

Comfort

8.2

Boarding

8.5

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 7 different airlines.

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

    Currently priced at $933, ANA will fly you from Houston to Sydney and back. In addition to ANA, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Air Canada - these airlines can fly you to your destination from $938 and $960, respectively. ANA is 19% 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 Fiji Airways, with whom users have recently found tickets for as low as $555. However, be on the lookout for offers from American Airlines and ANA, as they are both options that can get you from Houston to Sydney for a low price.

  • Where are the most common layover locations when flying from Houston to Sydney?

    The most popular layover on flights from Houston to Sydney is Los Angeles.

  • What are some popular things to do or see while on a layover in Los Angeles?

    Los Angeles travelers tend to visit Hollywood Bowl, Hollywood Walk of Fame, and L.A. Live more than anywhere else. Hollywood Bowl, Hollywood Walk of Fame and L.A. Live are located about 12.5 mi, 11.7 mi, and 10.8 mi, respectively from Los Angeles if you are interested in checking them out. Those looking to explore during their layover in Los Angeles can rent a car from Los Angeles for about $51 per day.

  • Where are the least popular layover locations for Houston to Sydney flights?

    The least popular layover on flights from Houston to Sydney is Auckland.

  • 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, February is the cheapest month in which you can book a flight from Houston to Sydney (average of $1,028). Flying from Houston to Sydney in December is currently the most expensive (average of $1,619). 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
Wollongong
Parramatta
Manly
Coogee

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 7 airlines flying from Houston to Sydney

Discover the top 7 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$799Average$931FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$820Average$1,216FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$823Average$866FlexibilityNo cancel feeOn-time71%
DeltaCheapest$830Average$954FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$859Average$1,176FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$957Average$1,385FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,190Average$1,662FlexibilityNo cancel feeOn-time69%

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