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$427+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
ago 3 — ago 101
dom 8/3
dom 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Sydney Kingsford Smith are usually found in May or April, booked 71 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 julho 29, 2025.

Round-trip from

$1,010
(FlightHub)

One-way from

$427
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,345
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. 16% potential increase in price ($257 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julho 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/28. 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.
seg 8/48:40 amAUS - SYD
1 stop31h 40mAir Canada
seg 8/119:20 amSYD - AUS
1 stop25h 52mAir Canada
Deal found 7/28$1,006
This Air Canada deal was found by Cheapflights users on 7/28. 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.
seg 8/42:55 pmAUS - SYD
2 stops25h 25mMultiple Airlines
seg 8/119:20 amSYD - AUS
1 stop25h 52mMultiple Airlines
Deal found 7/28$1,011
This CrystalTravel deal was found by Cheapflights users on 7/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 11/272:21 pmAUS - SYD
2 stops26h 29mQantas Airways
sex 12/122:20 pmSYD - AUS
1 stop20h 24mQantas Airways
Deal found 7/27$1,034
This United Airlines deal was found by Cheapflights users on 7/29. 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.
sex 9/265:37 pmAUS - SYD
2 stops22h 23mUnited Airlines
sex 10/1711:20 amSYD - AUS
1 stop23h 21mUnited Airlines
Deal found 7/29$1,106
This Delta deal was found by Cheapflights users on 7/27. 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.
qua 9/101:28 pmAUS - SYD
2 stops26h 07mDelta
qua 9/179:25 amSYD - AUS
2 stops26h 35mDelta
Deal found 7/27$1,107
This Fiji Airways deal was found by Cheapflights users on 7/27. 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.
ter 11/256:53 pmAUS - SYD
2 stops33h 57mFiji Airways
qui 12/112:00 pmSYD - AUS
2 stops23h 11mFiji Airways
Deal found 7/27$1,173

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 julho 29, 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

qui 8/28

8:40 am-7:20 am

1 stop31h 40m

Sydney Kingsford Smith

qui 9/4

9:20 am-12:35 pm

2 stops42h 15m

$1,010

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

qua 9/3

2:15 pm-7:20 am

2 stops26h 05m

Sydney Kingsford Smith

dom 9/14

9:20 am-8:11 pm

1 stop25h 51m

$1,022

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

qui 11/27

2:21 pm-9:50 am

2 stops26h 29m

Sydney Kingsford Smith

sex 12/12

2:20 pm-5:44 pm

1 stop20h 24m

$1,034

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

sex 9/26

5:37 pm-7:00 am

2 stops22h 23m

Sydney Kingsford Smith

sex 10/17

11:20 am-6:41 pm

1 stop23h 21m

$1,106

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

qua 9/10

1:28 pm-6:35 am

2 stops26h 07m

Sydney Kingsford Smith

qua 9/17

9:25 am-9:00 pm

2 stops26h 35m

$1,107

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

ter 11/25

6:53 pm-9:50 pm

2 stops33h 57m

Sydney Kingsford Smith

qui 12/11

2:00 pm-8:11 pm

2 stops23h 11m

$1,173

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

sáb 8/23

2:59 pm-2:40 pm

2 stops32h 41m

$427

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

dom 8/24

10:00 am-7:20 am

2 stops30h 20m

$543

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

ter 10/28

6:57 pm-12:45 pm

2 stops25h 48m

$565

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

qua 10/29

4:39 pm-9:00 am

1 stop24h 21m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 results
1
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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 July 25, 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 71 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 $1,028). Flying from Austin to Sydney in December is currently the most expensive (average of $1,619). 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 julho 29, 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.

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 julho 29, 2025.
See what other customers who have flown with Air Tahiti Nui, ANA, and Fiji Airways from Austin to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Crew

9.0

Boarding

8.7

Entertainment

7.2

Food

7.7

Overall

8.6

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
8.6
Very good
68 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Crew

9.0

Boarding

8.7

Entertainment

7.2

Food

7.7

Overall

8.6

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.
ANA
8.4
Very good
922 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Crew

9.0

Boarding

8.7

Entertainment

7.2

Food

7.7

Overall

8.6

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
202 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Crew

9.0

Boarding

8.7

Entertainment

7.2

Food

7.7

Overall

8.6

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
7,977 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Crew

9.0

Boarding

8.7

Entertainment

7.2

Food

7.7

Overall

8.6

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.
Qantas Airways
7.5
Good
883 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Crew

9.0

Boarding

8.7

Entertainment

7.2

Food

7.7

Overall

8.6

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 ($1,010), Qantas Airways ($1,034), and United Airlines ($1,106) offers the cheapest pricing from Austin to Sydney. Users have found that Air Canada is 23% 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 Air Canada. According to our data, you can fly for as low as $543. Users have also found prices from $565 and $646 on Fiji Airways and Qantas Airways, 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 $1,028). Flying from Austin to Sydney in December is currently the most expensive (average of $1,619). 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
Wollongong
Parramatta
Manly
Coogee

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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 julho 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$469Average$1,222FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$717Average$1,140FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$891Average$1,473FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$900Average$1,138FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$909Average$1,232FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,083Average$1,488FlexibilityNo cancel feeOn-time74%

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