Sydney

$541+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
Jun 9 — Jun 161
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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 May 10, 2026.

This American Airlines deal was found by Cheapflights users on 5/7. 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 5/246:39 pm
HOU
-
SYD
2 stops21h 26m
American Airlines
Sun 6/79:10 am
SYD
-
HOU
2 stops21h 35m
American Airlines
Deal found 5/7$1,002
This American Airlines deal was found by Cheapflights users on 5/7. 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 5/245:35 pm
IAH
-
SYD
2 stops22h 30m
American Airlines
Sun 6/79:10 am
SYD
-
IAH
1 stop25h 32m
American Airlines
Deal found 5/7$1,002
This American Airlines deal was found by Cheapflights users on 5/7. 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 7/268:09 pm
IAH
-
SYD
1 stop19h 56m
American Airlines
Wed 8/59:10 am
SYD
-
IAH
1 stop25h 36m
American Airlines
Deal found 5/7$1,006
This American Airlines deal was found by Cheapflights users on 5/6. 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 7/58:09 pm
IAH
-
SYD
1 stop19h 56m
American Airlines
Mon 7/279:10 am
SYD
-
IAH
1 stop25h 28m
American Airlines
Deal found 5/6$1,007
This American Airlines deal was found by Cheapflights users on 5/6. 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 10/136:15 pm
IAH
-
SYD
2 stops21h 50m
American Airlines
Wed 10/2811:15 am
SYD
-
IAH
2 stops22h 52m
American Airlines
Deal found 5/6$1,008
This Delta deal was found by Cheapflights users on 5/7. 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 7/294:14 pm
IAH
-
SYD
1 stop23h 36m
Delta
Wed 8/59:15 am
SYD
-
IAH
1 stop20h 54m
Delta
Deal found 5/7$1,010
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/16:39 pm
HOU
-
SYD
2 stops21h 26m
American Airlines
Wed 6/179:10 am
SYD
-
HOU
2 stops24h 08m
American Airlines
Deal found 5/6$1,011
This Delta deal was found by Cheapflights users on 5/8. 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 7/2912:50 pm
HOU
-
SYD
2 stops27h 00m
Delta
Wed 8/59:15 am
SYD
-
HOU
2 stops28h 31m
Delta
Deal found 5/8$1,015
This Delta deal was found by Cheapflights users on 5/8. 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 6/2210:09 am
HOU
-
SYD
2 stops29h 41m
Delta
Mon 6/299:15 am
SYD
-
HOU
2 stops41h 57m
Delta
Deal found 5/8$1,016
This Delta deal was found by Cheapflights users on 5/8. 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 7/2611:32 am
IAH
-
SYD
2 stops28h 18m
Delta
Wed 8/59:15 am
SYD
-
IAH
2 stops23h 47m
Delta
Deal found 5/8$1,016
This Delta deal was found by Cheapflights users on 5/7. 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.
Sat 8/12:20 pm
IAH
-
SYD
2 stops49h 30m
Delta
Wed 8/59:15 am
SYD
-
IAH
1 stop20h 54m
Delta
Deal found 5/7$1,029
This American Airlines deal was found by Cheapflights users on 5/7. 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 5/206:25 pm
IAH
-
SYD
2 stops21h 40m
American Airlines
Mon 11/210:20 am
SYD
-
IAH
2 stops22h 57m
American Airlines
Deal found 5/7$1,033

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 May 10, 2026.

Round-trip from

$1,002
(American Airlines)

One-way from

$541
(Delta)

Popular in

January

Cheapest in

July

Average price

$1,577
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 ($182 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in May 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 May 10, 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

Tue 6/23

5:20 am-6:50 am

2 stops34h 30m

Sydney Kingsford Smith

Wed 7/1

9:15 am-5:55 pm

2 stops23h 40m

$1,015

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 9/27

1:00 pm-6:50 am

2 stops26h 50m

Sydney Kingsford Smith

Sat 10/3

9:15 am-9:35 pm

2 stops27h 20m

$1,066
Quickest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 5/14

4:08 pm-6:50 am

1 stop23h 42m

Sydney Kingsford Smith

Thu 5/28

9:15 am-3:13 pm

1 stop20h 58m

$1,111

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 9/12

10:05 am-6:50 am

2 stops29h 45m

Sydney Kingsford Smith

Sat 9/26

9:15 am-9:35 pm

2 stops27h 20m

$1,115

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 7/20

2:38 pm-6:50 pm

2 stops61h 12m

Sydney Kingsford Smith

Sun 8/2

8:45 pm-1:35 pm

2 stops31h 50m

$1,680

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 10/18

6:00 am-7:50 am

2 stops33h 50m

Sydney Kingsford Smith

Tue 10/27

9:40 am-9:26 am

2 stops39h 46m

$1,865

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 7/26

12:50 pm-6:50 am

2 stops27h 00m

Sydney Kingsford Smith

Mon 8/3

9:15 am-10:46 pm

2 stops28h 31m

$1,866

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 7/1

6:00 am-6:50 am

2 stops33h 50m

Sydney Kingsford Smith

Wed 7/8

9:15 am-9:51 pm

2 stops27h 36m

$1,866

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 8/8

9:05 pm-7:10 pm

2 stops55h 05m

Sydney Kingsford Smith

Wed 8/12

9:05 pm-12:45 pm

2 stops54h 40m

$1,880

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 10/20

6:00 am-7:50 am

2 stops33h 50m

Sydney Kingsford Smith

Thu 10/29

9:40 am-9:43 pm

2 stops28h 03m

$1,915

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 44 resultsSorted by cheapest first
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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?

Booking 56 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, 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?

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 May 10, 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

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Entertainment

7.4

Crew

8.5

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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.

  • How long is the flight from Houston to Sydney?

    Departing from Houston to Sydney will take you 34h 30m. 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 Fiji Airways - these airlines can fly you to your destination from $447 and $702, 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 American Airlines and United Airlines, 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

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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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$864FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$447Average$946FlexibilityNo cancel feeOn-time74%
Fiji AirwaysCheapest$702Average$1,068FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$822Average$1,336FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$831Average$896FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$839Average$1,646FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,006Average$1,326FlexibilityNo cancel feeOn-time78%

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