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$868+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Austin Bergstrom to Sydney Kingsford Smith are usually found in September or May, booked 50 days in advance, depart on a Saturday or Friday 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,068
(StudentUniverse)

One-way from

$868
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,323
Provider with most accurate pricing for Austin Bergstrom-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-Sydney Kingsford Smith flights.
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From Austin Bergstrom to Sydney Kingsford Smith
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One-way flight from Austin Bergstrom to Sydney Kingsford Smith
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Highest demand for flights based on searches. 11% potential increase in price ($181 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 17, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/17. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/68:15 pmAUS - SYD
2 stops24h 30mFiji Airways
Tue 5/131:15 pmSYD - AUS
2 stops20h 49mFiji Airways
Deal found 4/17$1,068
This Fiji Airways deal was found by Cheapflights users on 4/16. 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.
Sat 10/188:32 pmAUS - SYD
2 stops24h 13mMultiple Airlines
Sat 10/252:45 pmSYD - AUS
2 stops21h 57mMultiple Airlines
Deal found 4/16$1,114
This StudentUniverse deal was found by Cheapflights users on 4/17. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/113:30 pmAUS - SYD
2 stops26h 15mAir New Zealand
Wed 8/2011:50 amSYD - AUS
2 stops22h 14mAir New Zealand
Deal found 4/17$1,132
This Air Canada deal was found by Cheapflights users on 4/17. 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 9/1710:00 amAUS - SYD
2 stops30h 20mAir Canada
Wed 9/249:20 amSYD - AUS
1 stop25h 31mAir Canada
Deal found 4/17$1,309
This KAYAK deal was found by Cheapflights users on 4/17. 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.
Sun 5/187:37 amAUS - SYD
2 stops34h 23mChina Eastern
Tue 5/2711:00 amSYD - AUS
2 stops48h 54mChina Eastern
Deal found 4/17$1,425
This American Airlines deal was found by Cheapflights users on 4/17. 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 6/172:00 pmAUS - SYD
1 stop26h 05mAmerican Airlines
Tue 6/249:10 amSYD - AUS
1 stop18h 36mAmerican Airlines
Deal found 4/17$1,442
This Gurufare deal was found by Cheapflights users on 4/17. 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 6/156:45 pmAUS - SYD
1 stop21h 10mQantas Airways
Sun 6/225:45 pmSYD - AUS
1 stop20h 53mQantas Airways
Deal found 4/17$1,452
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 6/154:00 pmAUS - SYD
1 stop24h 00mUnited Airlines
Tue 6/2410:20 amSYD - AUS
1 stop23h 26mUnited Airlines
Deal found 4/17$1,457
This Delta deal was found by Cheapflights users on 4/17. 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 6/187:21 pmAUS - SYD
1 stop20h 14mDelta
Wed 6/259:25 amSYD - AUS
1 stop26h 56mDelta
Deal found 4/17$1,466
This Jetabroad deal was found by Cheapflights users on 4/17. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:00 amAUS - SYD
2 stops22h 45mHawaiian Airlines
Sat 5/179:40 pmSYD - AUS
2 stops32h 28mHawaiian Airlines
Deal found 4/17$1,535
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
Mon 6/166:00 amAUS - SYD
2 stops22h 45mAlaska Airlines
Sun 6/229:40 pmSYD - AUS
2 stops37h 05mAlaska Airlines
Deal found 4/17$1,573
This FlightHub deal was found by Cheapflights users on 4/17. 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.
Tue 6/178:51 pmAUS - SYD
3 stops27h 19mAir Tahiti Nui
Wed 6/257:25 pmSYD - AUS
3 stops40h 49mAir Tahiti Nui
Deal found 4/17$2,179

Cheapflights Fare Finder

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 April 17, 2025.
Use the filters below to find and compare flights from Austin to Sydney that are best for you.

Fly from

Austin

Fly to

Sydney

Route

Depart

Return

Price

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 5/6

8:15 pm-11:45 am

2 stops24h 30m

Sydney Kingsford Smith

Tue 5/13

1:15 pm-7:04 pm

2 stops20h 49m

$1,068

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 8/11

3:30 pm-8:45 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 8/20

11:50 am-7:04 pm

2 stops22h 14m

$1,132

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 5/10

8:15 pm-11:45 am

2 stops24h 30m

Sydney Kingsford Smith

Tue 7/15

1:15 pm-9:08 pm

2 stops22h 53m

$1,151

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/17

10:00 am-7:20 am

2 stops30h 20m

Sydney Kingsford Smith

Wed 9/24

9:20 am-7:51 pm

1 stop25h 31m

$1,309

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 5/18

7:37 am-9:00 am

2 stops34h 23m

Sydney Kingsford Smith

Tue 5/27

11:00 am-8:54 pm

2 stops48h 54m

$1,425

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 6/17

2:00 pm-7:05 am

1 stop26h 05m

Sydney Kingsford Smith

Tue 6/24

9:10 am-12:46 pm

1 stop18h 36m

$1,442

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 6/15

6:45 pm-6:55 am

1 stop21h 10m

Sydney Kingsford Smith

Sun 6/22

5:45 pm-11:38 pm

1 stop20h 53m

$1,452

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 6/15

4:00 pm-7:00 am

1 stop24h 00m

Sydney Kingsford Smith

Tue 6/24

10:20 am-6:46 pm

1 stop23h 26m

$1,457

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 6/18

7:21 pm-6:35 am

1 stop20h 14m

Sydney Kingsford Smith

Wed 6/25

9:25 am-9:21 pm

1 stop26h 56m

$1,466

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 6/16

6:00 am-7:45 pm

2 stops22h 45m

Sydney Kingsford Smith

Sun 6/22

9:40 pm-7:45 pm

2 stops37h 05m

$1,573

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Austin-Sydney flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Cheapflights Insights

Everything you need to know about your flight from Austin to Sydney

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 April 11, 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 $1,046). 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 April 17, 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 March 30, 2025.

Travelers seeking maximum savings on their Austin to Sydney flight should consider departing on Friday 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 April 17, 2025.
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

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
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

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
1,288 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

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
8.8
Very good
62 reviews

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

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
7,916 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

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 New Zealand
8.0
Very good
467 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Overall

8.8

Crew

9.1

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, Fiji Airways ($1,068), Air New Zealand ($1,269), and Air Canada ($1,423) offers the cheapest pricing from Austin to Sydney. Users have found that Fiji Airways is 24% 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 Fiji Airways. According to our data, you can fly for as low as $868. Users have also found prices from $1,022 and $6,385 on Qantas Airways and Air Canada, 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 $1,046). 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
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Coogee
Manly

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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$313Average$1,430FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$911Average$1,306FlexibilityNo cancel feeOn-time69%
DeltaCheapest$927Average$1,279FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$1,047Average$1,365FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,278Average$1,798FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,332Average$1,834FlexibilityNo cancel feeOn-time78%

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