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$431+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Sydney Kingsford Smith are usually found in March or May, 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 June 12, 2025.

Round-trip from

$1,072
(Mytrip)

One-way from

$447
(Delta)

Popular in

December

Cheapest in

March

Average price

$1,196
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. 20% potential increase in price ($304 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:45 amIAH - SYD
2 stops34h 35mMultiple Airlines
Tue 11/46:00 amSYD - IAH
2 stops35h 19mMultiple Airlines
Deal found 6/10$1,057
This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/309:55 pmIAH - SYD
1 stop19h 50mAir New Zealand
Sat 8/96:20 pmSYD - IAH
1 stop36h 55mAir New Zealand
Deal found 6/10$1,075
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 10/84:00 pmIAH - SYD
1 stop23h 35mDelta
Mon 10/2010:25 amSYD - IAH
1 stop29h 05mDelta
Deal found 6/12$1,076
This Delta deal was found by Cheapflights users on 6/11. 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 10/710:05 amHOU - SYD
2 stops29h 30mDelta
Mon 10/2010:25 amSYD - HOU
2 stops27h 15mDelta
Deal found 6/11$1,080
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:50 pmIAH - SYD
2 stops25h 55mFiji Airways
Sat 8/301:45 pmSYD - IAH
2 stops21h 21mFiji Airways
Deal found 6/9$1,082
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:00 amIAH - SYD
3 stops54h 20mAir Canada
Thu 10/29:20 amSYD - IAH
2 stops43h 11mAir Canada
Deal found 6/11$1,101
This Fiji Airways deal was found by Cheapflights users on 6/10. 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 9/236:44 pmHOU - SYD
2 stops26h 01mMultiple Airlines
Thu 10/92:15 pmSYD - HOU
2 stops23h 59mMultiple Airlines
Deal found 6/10$1,107
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/104:28 pmHOU - SYD
2 stops23h 37mAmerican Airlines
Wed 9/249:10 amSYD - HOU
2 stops23h 54mAmerican Airlines
Deal found 6/10$1,448
This Flighttix deal was found by Cheapflights users on 6/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/66:30 pmHOU - SYD
1 stop21h 25mBritish Airways
Sun 7/205:45 pmSYD - HOU
2 stops21h 05mBritish Airways
Deal found 6/11$1,737
This KAYAK deal was found by Cheapflights users on 6/11. 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.
Wed 9/106:44 pmHOU - SYD
1 stop21h 11mQantas Airways
Wed 9/2412:10 pmSYD - HOU
1 stop18h 45mQantas Airways
Deal found 6/11$1,830
This Korean Air deal was found by Cheapflights users on 6/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:35 pmHOU - SYD
2 stops44h 20mKorean Air
Thu 11/209:10 amSYD - HOU
2 stops29h 30mKorean Air
Deal found 6/10$2,235

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 12, 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

Fri 10/24

5:45 am-8:20 am

2 stops34h 35m

Sydney Kingsford Smith

Tue 11/4

6:00 am-12:19 am

2 stops35h 19m

$1,057

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 7/30

9:55 pm-8:45 am

1 stop19h 50m

Sydney Kingsford Smith

Sat 8/9

6:20 pm-4:15 pm

1 stop36h 55m

$1,075

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 10/8

4:00 pm-7:35 am

1 stop23h 35m

Sydney Kingsford Smith

Mon 10/20

10:25 am-11:30 pm

1 stop29h 05m

$1,076

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 8/16

6:50 pm-11:45 am

2 stops25h 55m

Sydney Kingsford Smith

Sat 8/30

1:45 pm-8:06 pm

2 stops21h 21m

$1,082

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 9/24

10:00 am-7:20 am

3 stops54h 20m

Sydney Kingsford Smith

Thu 10/2

9:20 am-1:31 pm

2 stops43h 11m

$1,101

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Fri 8/1

12:56 pm-6:35 am

2 stops26h 39m

Sydney Kingsford Smith

Sun 8/10

9:25 am-10:21 pm

2 stops27h 56m

$1,130

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 7/31

8:23 pm-12:15 pm

2 stops24h 52m

Sydney Kingsford Smith

Sat 8/9

1:45 pm-7:59 pm

2 stops21h 14m

$1,443

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 9/10

4:28 pm-7:05 am

2 stops23h 37m

Sydney Kingsford Smith

Wed 9/24

9:10 am-6:04 pm

2 stops23h 54m

$1,448

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 7/6

6:30 pm-6:55 am

1 stop21h 25m

Sydney Kingsford Smith

Sun 7/20

5:45 pm-11:50 pm

2 stops21h 05m

$1,737

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 9/10

6:44 pm-6:55 am

1 stop21h 11m

Sydney Kingsford Smith

Wed 9/24

12:10 pm-3:55 pm

1 stop18h 45m

$1,830

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 27 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 June 9, 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, March is the cheapest month in which you can book a flight from Houston to Sydney (average of $1,041). Flying from Houston to Sydney in December is currently the most expensive (average of $1,635). 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 June 12, 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 12, 2025.
Peruse reviews from past customers who have flown with Air Tahiti Nui, Korean Air and Fiji Airways from Houston to Sydney to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Entertainment

7.3

Overall

8.7

Boarding

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Entertainment

7.3

Overall

8.7

Boarding

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very good
1,088 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Entertainment

7.3

Overall

8.7

Boarding

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
194 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Entertainment

7.3

Overall

8.7

Boarding

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Alaska Airlines
8.0
Very good
10,000 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Entertainment

7.3

Overall

8.7

Boarding

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very good
7,950 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Food

7.8

Entertainment

7.3

Overall

8.7

Boarding

8.7

Comfort

8.1

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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 $1,075, Air New Zealand will fly you from Houston to Sydney and back. In addition to Air New Zealand, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Fiji Airways - these airlines can fly you to your destination from $1,080 and $1,082, respectively. Air New Zealand is 9% 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 Delta, with whom users have recently found tickets for as low as $447. However, be on the lookout for offers from American Airlines and Fiji Airways, 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 $40 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, March is the cheapest month in which you can book a flight from Houston to Sydney (average of $1,041). Flying from Houston to Sydney in December is currently the most expensive (average of $1,635). 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 Houston?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$799Average$995FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$820Average$1,213FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$822Average$866FlexibilityNo cancel feeOn-time71%
DeltaCheapest$830Average$974FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$859Average$1,162FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$957Average$1,415FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$974Average$1,597FlexibilityNo cancel feeOn-time69%

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