How long is the flight from Houston to Sydney?

Departing from Houston to Sydney will take you 43h 10m. Houston and Sydney are separated by a distance of 13826 km. Find deals

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

Our cheapest airline available from Houston to Sydney is Qantas Airways. Our recent data shows that you can find tickets from as low as $692 on this airline. An additional option worth looking into is United Airlines, starting at $2,103. Qantas Airways is currently priced 59% below the average price you’ll pay for this route. Find deals

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

For one-way options, check prices for Fiji Airways. According to our data, you can fly for as low as $773. Users have also found prices from $1,264 and $1,277 on American Airlines and Delta, respectively. Find deals

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

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

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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

For a flight from Houston to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Houston per day. 2 airlines have flights to Sydney Kingsford Smith from Houston on a regular basis.

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 holiday 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.

$773+ Cheap Flights from Houston to Sydney

Q: How much does it cost for a return flight from Houston to Sydney?

Airfare is typical for this route at the moment. Houston to Sydney flights typically cost between $1,298 and $2,016 in November. The cheapest return flight price found within the last 3 days was $1,533 on Air New Zealand (9 Nov-23 Nov). Find deals

Cheapflights Tip: The best prices from Houston to Sydney Kingsford Smith are usually found in July or March, booked 46 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Houston to Sydney

Round-trip from	$1,533
One-way from	$773
Popular in	December
Cheapest in	July
Average price	$1,727

Air New Zealand
9/11-23/11
2 total stops
39h 00m total
Houston to Sydney

Search Deals

Fiji Airways
15/11
2 total stops
25h 02m total
Houston to Sydney

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($694 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($177 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 18 September 2025.

Sun 9/1120:05IAH - SYD

1 stop19h 40mAir New Zealand

Sun 23/1111:45SYD - IAH

1 stop19h 20mAir New Zealand

Deal found 16/9$1,533

Mon 3/1120:05IAH - SYD

1 stop21h 25mAir New Zealand

Sun 16/1109:55SYD - IAH

1 stop21h 10mAir New Zealand

Deal found 17/9$1,542

Sun 2/1120:05IAH - SYD

1 stop19h 40mAir New Zealand

Mon 24/1111:45SYD - IAH

1 stop19h 20mAir New Zealand

Deal found 17/9$1,548

Mon 10/1120:05IAH - SYD

1 stop19h 40mAir New Zealand

Sun 23/1109:55SYD - IAH

1 stop21h 10mAir New Zealand

Deal found 17/9$1,553

Wed 12/1120:05IAH - SYD

1 stop21h 25mAir New Zealand

Wed 19/1111:45SYD - IAH

1 stop19h 20mAir New Zealand

Deal found 17/9$1,572

Sun 2/1120:05IAH - SYD

1 stop19h 40mAir New Zealand

Mon 17/1109:55SYD - IAH

1 stop21h 10mAir New Zealand

Deal found 17/9$1,574

Mon 20/1010:00IAH - SYD

2 stops32h 35mAir New Zealand

Sun 2/1111:45SYD - IAH

1 stop19h 20mAir New Zealand

Deal found 16/9$1,575

Tue 14/1006:44IAH - SYD

2 stops34h 16mMultiple Airlines

Tue 21/1014:15SYD - IAH

2 stops31h 05mMultiple Airlines

Deal found 15/9$1,581

Thu 30/1020:11HOU - SYD

2 stops24h 49mMultiple Airlines

Thu 6/1114:00SYD - HOU

2 stops22h 50mMultiple Airlines

Deal found 15/9$1,749

Tue 28/1018:39HOU - SYD

2 stops26h 06mMultiple Airlines

Sat 8/1114:30SYD - HOU

2 stops22h 50mMultiple Airlines

Deal found 15/9$1,797

Sat 1/1118:39HOU - SYD

2 stops25h 51mMultiple Airlines

Sat 8/1114:30SYD - HOU

2 stops22h 50mMultiple Airlines

Deal found 17/9$1,850

Thu 25/920:32HOU - SYD

2 stops24h 43mMultiple Airlines

Tue 7/1014:15SYD - HOU

2 stops23h 59mMultiple Airlines

Deal found 16/9$1,901

Best flights from Houston to Sydney
Discover carefully curated flight deals from Houston to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Tue 28/1018:39HOU - SYD

2 stops26h 06mMultiple Airlines

Sat 8/1114:30SYD - HOU

2 stops22h 50mMultiple Airlines

Deal found 17/9$1,746

Mon 12/107:35IAH - SYD

2 stops43h 10mAlaska Airlines

Sun 1/221:40SYD - IAH

2 stops37h 09mAlaska Airlines

Deal found 17/9$1,751

Sat 27/918:35IAH - SYD

2 stops26h 10mFiji Airways

Tue 7/1014:15SYD - IAH

2 stops20h 48mFiji Airways

Deal found 15/9$1,901

Tue 10/321:30IAH - SYD

Nonstop17h 30mUnited Airlines

Mon 23/311:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 17/9$2,170

Mon 2/216:24HOU - SYD

2 stops23h 36mAmerican Airlines

Sun 15/214:05SYD - HOU

1 stop20h 44mAmerican Airlines

Deal found 17/9$2,175

Mon 10/1110:40HOU - SYD

2 stops28h 50mDelta

Sun 23/1110:40SYD - HOU

2 stops24h 18mDelta

Deal found 17/9$2,200

Sun 2/1107:00IAH - SYD

2 stops43h 45mAlaska Airlines

Fri 14/1121:40SYD - IAH

2 stops43h 12mAlaska Airlines

Deal found 17/9$1,754

Tue 10/320:31HOU - SYD

2 stops23h 59mMultiple Airlines

Tue 24/314:10SYD - HOU

2 stops21h 52mMultiple Airlines

Deal found 18/9$1,877

Tue 13/118:55IAH - SYD

2 stops55h 50mAlaska Airlines

Sat 31/121:40SYD - IAH

2 stops43h 19mAlaska Airlines

Deal found 17/9$1,779

Sat 27/918:35IAH - SYD

2 stops26h 10mFiji Airways

Sat 4/1013:45SYD - IAH

2 stops21h 30mFiji Airways

Deal found 15/9$2,125

Tue 13/118:55IAH - SYD

2 stops55h 50mAlaska Airlines

Thu 29/121:40SYD - IAH

2 stops43h 19mAlaska Airlines

Deal found 17/9$1,779

Mon 2/220:25IAH - SYD

Nonstop17h 35mUnited Airlines

Sun 15/211:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 16/9$2,170

Tue 10/316:31HOU - SYD

2 stops24h 29mAmerican Airlines

Tue 24/313:05SYD - HOU

1 stop20h 56mAmerican Airlines

Deal found 18/9$2,175

Wed 4/306:00HOU - SYD

2 stops33h 30mDelta

Mon 16/309:40SYD - HOU

2 stops39h 52mDelta

Deal found 17/9$2,200

Tue 14/1018:39HOU - SYD

2 stops26h 06mMultiple Airlines

Tue 21/1014:15SYD - HOU

2 stops23h 59mMultiple Airlines

Deal found 15/9$2,004

Mon 9/220:25IAH - SYD

Nonstop17h 35mUnited Airlines

Sun 22/211:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 16/9$2,170

Sun 11/107:35IAH - SYD

2 stops67h 10mAlaska Airlines

Sun 1/221:40SYD - IAH

2 stops43h 19mAlaska Airlines

Deal found 17/9$1,794

Mon 9/216:24HOU - SYD

2 stops23h 36mAmerican Airlines

Tue 17/214:05SYD - HOU

1 stop18h 47mAmerican Airlines

Deal found 17/9$2,175

Wed 4/310:05HOU - SYD

2 stops29h 25mDelta

Sun 15/309:40SYD - HOU

2 stops39h 52mDelta

Deal found 16/9$2,200

Tue 14/1018:39HOU - SYD

2 stops26h 06mMultiple Airlines

Tue 28/1014:15SYD - HOU

2 stops23h 59mMultiple Airlines

Deal found 16/9$2,046

Wed 11/320:10IAH - SYD

1 stop20h 55mUnited Airlines

Mon 23/311:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 17/9$2,178

Sun 11/107:35IAH - SYD

2 stops67h 10mAlaska Airlines

Thu 29/121:40SYD - IAH

2 stops43h 19mAlaska Airlines

Deal found 17/9$1,824

Direct flights from Houston to Sydney
Explore direct flight options from Houston to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2025.

Sun 9/1120:25IAH - SYD

Nonstop17h 35mUnited Airlines

Sun 23/1111:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 16/9$2,039

Tue 10/321:30IAH - SYD

Nonstop17h 30mUnited Airlines

Tue 24/311:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 16/9$2,170

Thu 6/1120:25IAH - SYD

Nonstop17h 35mUnited Airlines

Mon 17/1111:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 17/9$2,245

Mon 12/120:25IAH - SYD

Nonstop17h 35mUnited Airlines

Sun 25/111:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 16/9$2,275

Mon 26/120:25IAH - SYD

Nonstop17h 35mUnited Airlines

Sun 8/211:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 17/9$2,277

Sun 11/120:25IAH - SYD

Nonstop17h 35mUnited Airlines

Mon 2/211:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 17/9$2,283

Thu 22/120:25IAH - SYD

Nonstop17h 35mUnited Airlines

Sun 1/211:50SYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 16/9$2,301

Last-minute flights from Houston to Sydney
Discover last-minute flight deals from Houston to Sydney. Data last updated 18 September 2025 and is based on user searches.

Tue 23/909:29IAH - SYD

3 stops35h 16mMultiple Airlines

Tue 30/913:15SYD - IAH

2 stops24h 11mMultiple Airlines

Deal found 15/9$1,766

Tue 23/918:44HOU - SYD

2 stops26h 01mMultiple Airlines

Thu 9/1014:15SYD - HOU

2 stops21h 26mMultiple Airlines

Deal found 17/9$1,815

Tue 23/916:29IAH - SYD

2 stops28h 16mMultiple Airlines

Thu 9/1014:15SYD - IAH

2 stops23h 40mMultiple Airlines

Deal found 17/9$1,815

Wed 24/907:30IAH - SYD

2 stops32h 35mMultiple Airlines

Wed 1/1009:10SYD - IAH

2 stops40h 59mMultiple Airlines

Deal found 16/9$1,917

Thu 25/919:23IAH - SYD

2 stops25h 52mFiji Airways

Tue 7/1014:15SYD - IAH

2 stops20h 48mFiji Airways

Deal found 16/9$1,760

Thu 25/911:59IAH - SYD

2 stops28h 06mMultiple Airlines

Tue 7/1010:10SYD - IAH

1 stop25h 32mMultiple Airlines

Deal found 16/9$1,833

Thu 25/920:32HOU - SYD

2 stops24h 43mMultiple Airlines

Tue 7/1014:15SYD - HOU

2 stops23h 59mMultiple Airlines

Deal found 16/9$1,901

Fri 26/921:08IAH - SYD

2 stops43h 22mMultiple Airlines

Fri 3/1009:10SYD - IAH

1 stop26h 13mMultiple Airlines

Deal found 17/9$1,943

Sat 27/918:35IAH - SYD

2 stops26h 10mFiji Airways

Tue 7/1014:15SYD - IAH

2 stops20h 48mFiji Airways

Deal found 15/9$1,901

Tue 14/1018:39HOU - SYD

2 stops26h 06mMultiple Airlines

Tue 21/1014:15SYD - HOU

2 stops23h 59mMultiple Airlines

Deal found 15/9$2,004

Tue 14/1018:39HOU - SYD

2 stops26h 06mMultiple Airlines

Tue 28/1014:15SYD - HOU

2 stops23h 59mMultiple Airlines

Deal found 17/9$2,046

Tue 28/1018:39HOU - SYD

2 stops26h 06mMultiple Airlines

Sat 8/1114:30SYD - HOU

2 stops22h 50mMultiple Airlines

Deal found 17/9$1,746

One-way flights from Houston to Sydney
Search for one-way flight options from Houston to Sydney. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Sat 15/1118:28IAH - SYD

2 stops25h 02mFiji Airways

Deal found 17/9$773

Wed 12/1107:00IAH - SYD

3 stops57h 50mMultiple Airlines

Deal found 15/9$800

Wed 15/1022:12IAH - SYD

2 stops42h 48mMultiple Airlines

Deal found 16/9$850

Sat 15/1120:10IAH - SYD

3 stops55h 25mMultiple Airlines

Deal found 17/9$859

Wed 25/207:35IAH - SYD

2 stops30h 50mMultiple Airlines

Deal found 18/9$883

Thu 13/1117:51IAH - SYD

3 stops44h 34mMultiple Airlines

Deal found 15/9$890

Fri 27/207:35IAH - SYD

2 stops30h 50mMultiple Airlines

Deal found 17/9$908

Fri 14/1107:00IAH - SYD

2 stops31h 25mMultiple Airlines

Deal found 15/9$917

Fri 24/1017:30IAH - SYD

2 stops36h 40mMultiple Airlines

Deal found 17/9$941

Mon 1/1216:25HOU - SYD

2 stops23h 35mAmerican Airlines

Deal found 16/9$1,264

Sun 30/1106:00HOU - SYD

2 stops33h 30mDelta

Deal found 16/9$1,277

Thu 25/1210:35HOU - SYD

2 stops28h 55mDelta

Deal found 16/9$1,375

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 28/10

18:39-12:45

2 stops26h 06m

Sydney Kingsford Smith

Sat 8/11

14:30-20:20

2 stops22h 50m

$1,746

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 12/1

07:35-19:45

2 stops43h 10m

Sydney Kingsford Smith

Sun 1/2

21:40-17:49

2 stops37h 09m

$1,751

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 2/11

07:00-19:45

2 stops43h 45m

Sydney Kingsford Smith

Fri 14/11

21:40-23:52

2 stops43h 12m

$1,754

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 13/1

18:55-19:45

2 stops55h 50m

Sydney Kingsford Smith

Sat 31/1

21:40-23:59

2 stops43h 19m

$1,779

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 13/1

18:55-19:45

2 stops55h 50m

Sydney Kingsford Smith

Thu 29/1

21:40-23:59

2 stops43h 19m

$1,779

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 11/1

07:35-19:45

2 stops67h 10m

Sydney Kingsford Smith

Sun 1/2

21:40-23:59

2 stops43h 19m

$1,794

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 11/1

07:35-19:45

2 stops67h 10m

Sydney Kingsford Smith

Thu 29/1

21:40-23:59

2 stops43h 19m

$1,824

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 10/3

20:31-12:30

2 stops23h 59m

Sydney Kingsford Smith

Tue 24/3

14:10-20:02

2 stops21h 52m

$1,877

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 27/9

18:35-11:45

2 stops26h 10m

Sydney Kingsford Smith

Tue 7/10

14:15-19:03

2 stops20h 48m

$1,901

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 14/10

18:39-12:45

2 stops26h 06m

Sydney Kingsford Smith

Tue 21/10

14:15-22:14

2 stops23h 59m

$2,004

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 38 results

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 return 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?

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, May is the cheapest month in which you can book a flight from Houston to Sydney (average of $129). Flying from Houston to Sydney in October is currently the most expensive (average of $171). 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?

One of the essential ways to save on airfare from Houston to Sydney is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 38% on airfare.

How much does it cost for a return flight from Houston to Sydney?

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Qantas Airways and United Airlines from Houston to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Qantas Airways

7.5

Good

907 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Qantas Airways

7.5

Good

907 reviews

Qantas Airways

7.5

Good

907 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

United Airlines

7.4

Good

8,926 reviews

Qantas Airways

7.5

Good

907 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Related info for your journey

What airport do you fly into for flights to Sydney from Houston?
For a flight from Houston to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Houston per day. 2 airlines have flights to Sydney Kingsford Smith from Houston on a regular basis.
How long is the flight from Houston to Sydney?
Departing from Houston to Sydney will take you 43h 10m. Houston and Sydney are separated by a distance of 13826 km.
What are the cheapest airlines flying from Houston to Sydney round-trip?
Our cheapest airline available from Houston to Sydney is Qantas Airways. Our recent data shows that you can find tickets from as low as $692 on this airline. An additional option worth looking into is United Airlines, starting at $2,103. Qantas Airways is currently priced 59% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Houston to Sydney one-way?
For one-way options, check prices for Fiji Airways. According to our data, you can fly for as low as $773. Users have also found prices from $1,264 and $1,277 on American Airlines and Delta, respectively.
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 holiday 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, May is the cheapest month in which you can book a flight from Houston to Sydney (average of $129). Flying from Houston to Sydney in October is currently the most expensive (average of $171). 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

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Top 2 airlines flying from Houston to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$692	Average$1,280	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
United Airlines	Cheapest$2,103	Average$2,664	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Houston to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Houston to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Houston to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Houston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Houston to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Houston to Sydney with no change fees.

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Yes! Start tracking prices for Houston to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Houston to Sydney from $773

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Houston to Sydney Kingsford Smith are usually found in July or March, booked 46 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Houston to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Houston to Sydney

Cheapest flights from Houston to SydneyExplore 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 18 September 2025.

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 18 September 2025.

Cheapflights Fare Finder

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

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.

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 return flight from Houston to Sydney. Price data was last updated on 12 September 2025.

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

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 18 September 2025.

How much does it cost for a return flight from Houston to Sydney?

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Qantas Airways and United Airlines from Houston to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Houston to Sydney?

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Alternative routes for Houston to Sydney

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Top 2 airlines flying from Houston to Sydney

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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 18 September 2025.