HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$518+ Cheap flights from Austin (AUS) 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin 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.

The best prices from Austin Bergstrom to Sydney Kingsford Smith are usually found in September or March, booked 50 days in advance, depart on a Friday or Saturday and return on a Tuesday

Cheap flight deals from Austin to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$833
(Air Canada)

One-way from

$518
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,368
Provider with most accurate pricing for Austin Bergstrom-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Sydney Kingsford Smith flights.
Search Deals
From Austin Bergstrom to Sydney Kingsford Smith
Search Deals
One-way flight from Austin Bergstrom to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Austin to Sydney

Cheapest flights from Austin to Sydney
Explore the most affordable flight options available from Austin to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Justfly.com deal was found by Cheapflights users on 2/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/288:30 amAUS - SYD
1 stop31h 50mAir Canada
Tue 9/99:20 amSYD - AUS
2 stops35h 00mAir Canada
Deal found 2/19$831
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 2/204:46 pmAUS - SYD
2 stops23h 14mAmerican Airlines
Wed 3/511:15 amSYD - AUS
2 stops22h 17mAmerican Airlines
Deal found 2/19$884
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/207:33 pmAUS - SYD
1 stop20h 42mUnited Airlines
Wed 3/512:10 pmSYD - AUS
2 stops22h 33mUnited Airlines
Deal found 2/19$899
This Air Canada deal was found by Cheapflights users on 2/19. 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.
Mon 9/84:32 pmAUS - SYD
2 stops23h 48mMultiple Airlines
Sun 9/219:20 amSYD - AUS
3 stops49h 30mMultiple Airlines
Deal found 2/19$946
This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 5/223:55 pmAUS - SYD
1 stop23h 40mDelta
Sat 5/319:25 amSYD - AUS
1 stop26h 32mDelta
Deal found 2/19$966
This Fareboom deal was found by Cheapflights users on 2/19. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/94:20 pmAUS - SYD
2 stops26h 05mAir New Zealand
Sat 3/221:55 pmSYD - AUS
2 stops25h 49mAir New Zealand
Deal found 2/19$999
This oojo deal was found by Cheapflights users on 2/19. 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 3/188:37 pmAUS - SYD
2 stops23h 53mFiji Airways
Sat 4/56:00 amSYD - AUS
2 stops29h 58mFiji Airways
Deal found 2/19$1,288
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/145:53 pmAUS - SYD
2 stops33h 52mAlaska Airlines
Sun 4/69:40 pmSYD - AUS
2 stops47h 35mAlaska Airlines
Deal found 2/20$1,542
This Gurufare deal was found by Cheapflights users on 2/19. 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.
Sun 11/232:21 pmAUS - SYD
1 stop24h 04mQantas Airways
Sun 11/302:30 pmSYD - AUS
1 stop19h 18mQantas Airways
Deal found 2/19$1,781

Find flights from Austin to Sydney within your budget

Customize your flight search to find flights from Austin 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 February 20, 2025.

Fly from

Austin

Fly to

Sydney

Route

Depart

Return

Price

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 6/6

10:00 am-7:20 am

2 stops30h 20m

Sydney Kingsford Smith

Thu 6/19

9:20 am-7:47 pm

1 stop25h 27m

$833

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 4/16

8:03 pm-7:05 am

1 stop20h 02m

Sydney Kingsford Smith

Tue 4/29

9:10 am-12:25 pm

1 stop18h 15m

$894

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 5/21

4:30 pm-7:00 am

1 stop23h 30m

Sydney Kingsford Smith

Sun 6/1

9:30 am-2:51 pm

1 stop20h 21m

$909

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 5/22

11:59 am-6:35 am

1 stop27h 36m

Sydney Kingsford Smith

Tue 6/3

9:25 am-3:01 pm

1 stop20h 36m

$966

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 3/9

4:20 pm-10:25 am

2 stops26h 05m

Sydney Kingsford Smith

Sat 3/22

1:55 pm-11:44 pm

2 stops25h 49m

$999

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/10

10:00 am-7:20 am

3 stops54h 20m

Sydney Kingsford Smith

Sat 8/23

9:20 am-6:58 pm

2 stops24h 38m

$1,052

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 3/18

8:37 pm-12:30 pm

2 stops23h 53m

Sydney Kingsford Smith

Sat 4/5

6:00 am-7:58 pm

2 stops29h 58m

$1,288

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 3/14

5:53 pm-7:45 pm

2 stops33h 52m

Sydney Kingsford Smith

Sun 4/6

9:40 pm-6:15 am

2 stops47h 35m

$1,542

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 6/16

8:35 pm-6:55 am

1 stop19h 20m

Sydney Kingsford Smith

Fri 7/4

10:25 am-2:04 pm

1 stop18h 39m

$1,853

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 3/18

7:00 pm-5:40 pm

3 stops30h 40m

Sydney Kingsford Smith

Sat 4/5

5:50 pm-7:07 pm

3 stops41h 17m

$1,986

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 20 results
1
2

Compare providers for flights from Austin to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Sydney in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Austin to Sydney

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

Travel insights for flights from Austin to Sydney

Get recent, data-driven insights about flights from Austin to Sydney including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to Sydney. Price data was last updated on February 14, 2025.

The price you pay for your flight from Austin to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Austin to Sydney (average of $1,051). Flying from Austin to Sydney in December is currently the most expensive (average of $1,643). 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 AUS to SYD?

Find hourly flight availability from Austin 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 February 20, 2025.

It’s typically best to fly out from Austin to Sydney in the afternoon. Doing so could potentially save you 84% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Austin to Sydney. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Austin to Sydney flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday at noon 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 February 20, 2025.
Air Tahiti Nui
8.7
Very good
61 reviews

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Boarding

8.7

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
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Boarding

8.7

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.

Singapore Airlines
8.1
Very good
1,301 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Boarding

8.7

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
9,697 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Boarding

8.7

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
8.0
Very good
185 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Boarding

8.7

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
8,219 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Comfort

8.0

Entertainment

7.2

Food

7.8

Overall

8.7

Crew

9.1

Boarding

8.7

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 Austin to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    According to our current data, Air Canada ($833), American Airlines ($894), and United Airlines ($909) offers the cheapest pricing from Austin to Sydney. Users have found that Air Canada is 41% cheaper than the other options available to this destination.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $531. Users have also found prices from $538 and $549 on United Airlines and Delta, respectively.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Austin to Sydney (average of $1,051). Flying from Austin to Sydney in December is currently the most expensive (average of $1,643). 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 Austin?

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

Discover the top 6 airlines that operate flights from Austin 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$267Average$1,370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$313Average$1,401FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$950Average$1,312FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$1,047Average$1,365FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,264Average$1,564FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,278Average$1,733FlexibilityNo cancel feeOn-time74%
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.