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$516+ Cheap flights from Austin (AUS) to Australia

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Austin to Australia

Cheapest flights from Austin to Australia
Explore the most affordable flight options available from Austin to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This CrystalTravel deal was found by Cheapflights users on 12/2. 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.
Thu 12/42:35 pmAUS - SYD
1 stop23h 50mQantas Airways
Sat 12/611:20 amSYD - AUS
1 stop25h 03mQantas Airways
Deal found 12/2$917
This CrystalTravel deal was found by Cheapflights users on 12/4. 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.
Fri 12/52:13 pmAUS - SYD
1 stop25h 47mQantas Airways
Fri 12/1211:20 amSYD - AUS
1 stop25h 03mQantas Airways
Deal found 12/4$921
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Fri 12/56:30 amAUS - SYD
1 stop33h 30mAmerican Airlines
Sun 12/2111:20 amSYD - AUS
1 stop24h 53mAmerican Airlines
Deal found 12/4$942
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Fri 12/58:15 pmAUS - SYD
1 stop19h 45mAmerican Airlines
Fri 12/1211:20 amSYD - AUS
2 stops21h 23mAmerican Airlines
Deal found 12/4$951
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Tue 12/93:02 pmAUS - SYD
1 stop25h 13mUnited Airlines
Sun 12/2112:10 pmSYD - AUS
1 stop23h 22mUnited Airlines
Deal found 12/4$964
This Air Canada deal was found by Cheapflights users on 12/4. 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 12/101:10 pmAUS - SYD
2 stops48h 45mAir Canada
Mon 12/224:00 pmSYD - AUS
2 stops45h 55mAir Canada
Deal found 12/4$966
This oojo deal was found by Cheapflights users on 12/3. 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 12/78:30 amAUS - SYD
1 stop28h 40mMultiple Airlines
Tue 12/911:20 amSYD - AUS
1 stop25h 16mMultiple Airlines
Deal found 12/3$968
This Air Canada deal was found by Cheapflights users on 12/4. 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.
Tue 12/95:59 pmAUS - SYD
2 stops67h 56mAir Canada
Mon 12/224:00 pmSYD - AUS
2 stops47h 31mAir Canada
Deal found 12/4$972
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Fri 12/54:47 pmAUS - SYD
2 stops23h 18mUnited Airlines
Sun 12/2111:20 amSYD - AUS
2 stops21h 06mUnited Airlines
Deal found 12/4$981
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/111:55 pmAUS - SYD
1 stop24h 05mUnited Airlines
Mon 12/2211:50 amSYD - AUS
1 stop18h 06mUnited Airlines
Deal found 12/4$986
This Air Canada deal was found by Cheapflights users on 12/4. 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 12/101:08 pmAUS - SYD
2 stops48h 47mAir Canada
Tue 12/2311:20 amSYD - AUS
2 stops29h 36mAir Canada
Deal found 12/4$989
This Delta deal was found by Cheapflights users on 12/4. 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 12/104:29 pmAUS - BNE
1 stop23h 51mDelta
Wed 12/1711:05 amBNE - AUS
1 stop20h 19mDelta
Deal found 12/4$1,037

Find flight deals from Austin to Australia

Keep the following information in mind while searching for Austin to Australia flight deals. Data was last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$854
(Air Canada)

One-way from

$486
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,599
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 Australia
Search Deals
One-way flight from Austin Bergstrom to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Australia 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 December 4, 2025.
Use the filters below to find and compare flights from Austin to Australia that are best for you.

Fly from

Austin

Fly to

Australia

Route

Depart

Return

Price

AustinBrisbane

AUS - BNE

AUSBNE

Austin Bergstrom

Wed 5/13

11:07 am-7:05 am

2 stops28h 58m

Brisbane

Mon 5/25

10:00 am-7:47 pm

1 stop24h 47m

$957

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 2/17

4:52 pm-9:35 am

2 stops23h 43m

Sydney Kingsford Smith

Wed 2/25

11:20 am-9:27 pm

2 stops51h 07m

$960

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 1/30

6:25 pm-7:25 am

1 stop20h 00m

Sydney Kingsford Smith

Sun 2/15

11:20 am-3:32 pm

2 stops21h 12m

$961

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 2/17

5:59 pm-7:00 am

1 stop20h 01m

Sydney Kingsford Smith

Wed 2/25

11:50 am-7:57 pm

1 stop25h 07m

$963

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 12/10

1:55 pm-7:00 am

1 stop24h 05m

Sydney Kingsford Smith

Sun 12/21

2:00 pm-6:32 pm

1 stop21h 32m

$964

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 1/30

2:22 pm-6:20 am

2 stops22h 58m

Sydney Kingsford Smith

Sun 2/15

2:00 pm-7:57 pm

2 stops22h 57m

$977

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 2/7

4:12 pm-7:00 am

1 stop21h 48m

Sydney Kingsford Smith

Wed 2/11

12:10 pm-6:27 pm

1 stop23h 17m

$985

AustinMelbourne

AUS - MEL

AUSMEL

Austin Bergstrom

Wed 5/6

11:20 am-11:25 am

3 stops33h 05m

Melbourne

Wed 5/20

6:00 am-7:47 pm

2 stops28h 47m

$986

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 12/11

5:59 pm-7:00 am

1 stop20h 01m

Sydney Kingsford Smith

Sun 12/21

12:10 pm-5:26 pm

1 stop22h 16m

$986

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 12/9

5:59 pm-7:00 am

1 stop20h 01m

Sydney Kingsford Smith

Sat 12/20

11:20 am-3:39 pm

1 stop21h 19m

$986

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 60 results
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Best time to book a flight from Austin to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

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

Currently, May is the cheapest month in which you can book a flight from Austin to Australia (average of $450). Flying from Austin to Australia in April is currently the most expensive (average of $949). 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 AU?

Find hourly flight availability from Austin to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

One of the essential ways to save on airfare from Austin to Australia is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 52% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Austin to Australia. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Austin to Australia flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated December 4, 2025.
Read through reviews of airlines operating flights from Austin to Australia, such as Fiji Airways, Delta, and Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Crew

8.5

Food

7.5

Comfort

8.0

Entertainment

7.5

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.1
Very good
209 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Crew

8.5

Food

7.5

Comfort

8.0

Entertainment

7.5

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Delta
7.9
Good
8,010 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Crew

8.5

Food

7.5

Comfort

8.0

Entertainment

7.5

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
947 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Crew

8.5

Food

7.5

Comfort

8.0

Entertainment

7.5

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,066 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Crew

8.5

Food

7.5

Comfort

8.0

Entertainment

7.5

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
American Airlines
7.2
Good
11,044 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Crew

8.5

Food

7.5

Comfort

8.0

Entertainment

7.5

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

Find useful and relevant information for your journey from Austin to Australia. 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 from for flights from Austin to Australia?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Austin to Australia.

  • How long is the flight from Austin to Australia?

    A quick flight from Austin to Australia can take about 20h. Air Canada provides one of the quickest options available for as low as $961. The distance between Austin and Australia is about 8469 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $428 on United Airlines. Other airlines that offer cheap prices include Fiji Airways from $497 and American Airlines from $542 one-way.

  • What are the most popular routes from Austin to Australia?

    Most travelers choose Austin Bergstrom - Sydney Kingsford Smith, Austin Bergstrom - Melbourne or Austin Bergstrom - Melbourne Avalon when deciding on the best route from Austin to Australia.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Austin to Australia (average of $450). Flying from Austin to Australia in April is currently the most expensive (average of $949). 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

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Top 5 airlines flying from Austin to Australia

Discover the top 5 airlines that operate flights from Austin to Australia. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$469Average$1,233FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$717Average$1,350FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$841Average$1,442FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$876Average$1,410FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$992Average$1,409FlexibilityNo cancel feeOn-time74%

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