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$644+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Sydney Kingsford Smith are usually found in April or May, 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 June 12, 2025.

Round-trip from

$1,085
(FlightHub)

One-way from

$644
(Gurufare)

Popular in

December

Cheapest in

April

Average price

$1,410
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 ($256 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 June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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.
Sat 11/86:53 pmAUS - SYD
2 stops33h 57mFiji Airways
Sat 11/156:00 amSYD - AUS
2 stops29h 08mFiji Airways
Deal found 6/11$1,021
This KAYAK deal was found by Cheapflights users on 6/12. 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 8/247:22 pmAUS - SYD
1 stop20h 33mQantas Airways
Wed 9/39:10 amSYD - AUS
1 stop25h 09mQantas Airways
Deal found 6/12$1,101
This oojo deal was found by Cheapflights users on 6/10. 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.
Sun 9/211:53 pmAUS - SYD
2 stops38h 27mMultiple Airlines
Sun 10/199:00 amSYD - AUS
2 stops28h 49mMultiple Airlines
Deal found 6/10$1,132
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/244:40 pmAUS - SYD
2 stops23h 25mAmerican Airlines
Wed 9/39:10 amSYD - AUS
2 stops23h 06mAmerican Airlines
Deal found 6/12$1,168
This Air Canada deal was found by Cheapflights users on 6/10. 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 9/18:30 amAUS - SYD
1 stop31h 50mAir Canada
Sun 9/149:20 amSYD - AUS
2 stops49h 35mAir Canada
Deal found 6/10$1,178
This Delta deal was found by Cheapflights users on 6/10. 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 9/214:30 pmAUS - SYD
1 stop23h 05mDelta
Sun 10/1910:25 amSYD - AUS
1 stop26h 33mDelta
Deal found 6/10$1,180
This Air New Zealand deal was found by Cheapflights users on 6/10. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:45 pmAUS - SYD
2 stops22h 00mAir New Zealand
Wed 9/249:55 amSYD - AUS
2 stops24h 41mAir New Zealand
Deal found 6/10$1,217
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/224:00 pmAUS - SYD
1 stop24h 00mUnited Airlines
Tue 7/89:30 amSYD - AUS
2 stops22h 30mUnited Airlines
Deal found 6/9$1,256
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 8/27:37 amAUS - SYD
2 stops32h 53mAlaska Airlines
Wed 8/65:45 pmSYD - AUS
2 stops27h 22mAlaska Airlines
Deal found 6/10$1,336
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sun 11/26:47 pmAUS - SYD
3 stops29h 53mAir Tahiti Nui
Thu 11/138:55 amSYD - AUS
3 stops27h 27mAir Tahiti Nui
Deal found 6/10$1,985

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 June 12, 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 8/12

6:53 pm-11:45 am

2 stops25h 52m

Sydney Kingsford Smith

Tue 8/26

1:15 pm-8:15 pm

2 stops22h 00m

$1,085

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/24

7:22 pm-6:55 am

1 stop20h 33m

Sydney Kingsford Smith

Wed 9/3

9:10 am-7:19 pm

1 stop25h 09m

$1,101

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/17

1:49 pm-7:20 pm

2 stops38h 31m

Sydney Kingsford Smith

Fri 8/22

9:00 am-12:23 am

2 stops30h 23m

$1,133

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/24

4:40 pm-7:05 am

2 stops23h 25m

Sydney Kingsford Smith

Wed 9/3

9:10 am-5:16 pm

2 stops23h 06m

$1,168

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 9/1

8:30 am-7:20 am

1 stop31h 50m

Sydney Kingsford Smith

Sun 9/14

9:20 am-7:55 pm

2 stops49h 35m

$1,178

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/24

7:45 pm-10:35 am

2 stops23h 50m

Sydney Kingsford Smith

Wed 9/3

11:50 am-7:36 pm

2 stops22h 46m

$1,217

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 6/22

4:00 pm-7:00 am

1 stop24h 00m

Sydney Kingsford Smith

Tue 7/8

9:30 am-5:00 pm

2 stops22h 30m

$1,256

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/17

4:00 pm-6:35 am

1 stop23h 35m

Sydney Kingsford Smith

Fri 8/22

9:25 am-9:22 pm

1 stop26h 57m

$1,324

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 8/2

7:37 am-7:30 am

2 stops32h 53m

Sydney Kingsford Smith

Wed 8/6

5:45 pm-6:07 am

2 stops27h 22m

$1,336

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 7/20

8:55 pm-3:10 pm

3 stops27h 15m

Sydney Kingsford Smith

Thu 7/31

8:55 am-9:19 pm

3 stops27h 24m

$2,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 19 results
1
2

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 June 9, 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, March is the cheapest month in which you can book a flight from Austin to Sydney (average of $1,041). Flying from Austin to Sydney in December is currently the most expensive (average of $1,635). 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 June 12, 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 June 12, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Fiji Airways and Singapore Airlines from Austin to Sydney. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
8.1
Very good
194 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
1,302 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
7,946 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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
483 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Crew

9.0

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 ($1,085), Qantas Airways ($1,101), and American Airlines ($1,168) offers the cheapest pricing from Austin to Sydney. Users have found that Fiji Airways is 18% 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 Qantas Airways. According to our data, you can fly for as low as $644. Users have also found prices from $681 and $14,847 on United Airlines and Lufthansa, 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, March is the cheapest month in which you can book a flight from Austin to Sydney (average of $1,041). Flying from Austin to Sydney in December is currently the most expensive (average of $1,635). 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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Manly
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Top 5 airlines flying from Austin to Sydney

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$876Average$1,428FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$900Average$1,331FlexibilityNo cancel feeOn-time67%
DeltaCheapest$927Average$1,271FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$931Average$1,255FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,251Average$1,628FlexibilityNo cancel feeOn-time74%

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