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$577+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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Cheap 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 27, 2026.

This Bravofly deal was found by Cheapflights users on 4/25. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:29 pm
AUS
-
SYD
1 stop22h 56m
Qantas Airways
Mon 11/167:15 pm
SYD
-
AUS
2 stops33h 00m
Qantas Airways
Deal found 4/25$1,105
This oojo deal was found by Cheapflights users on 4/25. 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.
Fri 10/231:44 pm
AUS
-
SYD
1 stop26h 21m
Qantas Airways
Tue 10/277:05 am
SYD
-
AUS
2 stops22h 33m
Qantas Airways
Deal found 4/25$1,108
This oojo deal was found by Cheapflights users on 4/22. 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 10/61:44 pm
AUS
-
SYD
1 stop26h 21m
Qantas Airways
Sat 10/315:50 pm
SYD
-
AUS
2 stops34h 25m
Qantas Airways
Deal found 4/22$1,144
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:53 pm
AUS
-
SYD
1 stop41h 32m
Qantas Airways
Mon 11/167:15 pm
SYD
-
AUS
2 stops33h 00m
Qantas Airways
Deal found 4/27$1,175
This Jetabroad deal was found by Cheapflights users on 4/25. 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.
Fri 10/231:44 pm
AUS
-
SYD
2 stops38h 11m
Multiple Airlines
Tue 10/279:45 am
SYD
-
AUS
2 stops25h 31m
Multiple Airlines
Deal found 4/25$1,183
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/34:53 pm
AUS
-
SYD
2 stops23h 02m
United Airlines
Sun 5/179:30 am
SYD
-
AUS
2 stops20h 54m
United Airlines
Deal found 4/27$1,239
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Mon 5/187:49 pm
AUS
-
SYD
1 stop20h 06m
United Airlines
Mon 6/810:20 am
SYD
-
AUS
1 stop23h 45m
United Airlines
Deal found 4/26$1,244
This Delta deal was found by Cheapflights users on 4/23. 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 4/264:25 pm
AUS
-
SYD
1 stop23h 25m
Delta
Sun 5/109:15 am
SYD
-
AUS
1 stop26h 31m
Delta
Deal found 4/23$1,245
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/204:45 pm
AUS
-
SYD
2 stops23h 15m
United Airlines
Wed 5/2710:20 am
SYD
-
AUS
2 stops22h 07m
United Airlines
Deal found 4/23$1,249
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 6/64:10 pm
AUS
-
SYD
2 stops47h 50m
United Airlines
Wed 7/159:30 am
SYD
-
AUS
1 stop18h 59m
United Airlines
Deal found 4/23$1,264
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 5/166:50 pm
AUS
-
SYD
2 stops45h 00m
Delta
Wed 5/279:15 am
SYD
-
AUS
2 stops27h 18m
Delta
Deal found 4/24$1,265

Find 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,108
(oojo)

One-way from

$577
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,470
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 27, 2026.
Use the filters below to find and compare flights from Austin to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 6/8

4:15 pm-6:50 am

1 stop23h 35m

Sydney Kingsford Smith

Mon 9/7

9:15 am-9:02 pm

1 stop26h 47m

$1,278

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 6/8

6:04 pm-7:00 am

2 stops21h 56m

Sydney Kingsford Smith

Fri 7/10

9:30 am-4:58 pm

2 stops22h 28m

$1,297

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/9

4:30 pm-6:50 am

1 stop23h 20m

Sydney Kingsford Smith

Wed 9/30

9:15 am-10:48 pm

2 stops28h 33m

$1,314

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 6/11

4:10 pm-7:00 am

2 stops23h 50m

Sydney Kingsford Smith

Thu 6/18

10:20 am-2:39 pm

1 stop19h 19m

$1,339

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 9/27

1:40 pm-6:50 am

2 stops26h 10m

Sydney Kingsford Smith

Sat 10/10

10:15 am-8:57 pm

1 stop26h 42m

$1,365

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 6/3

4:10 pm-7:00 am

2 stops23h 50m

Sydney Kingsford Smith

Sat 6/13

10:20 am-2:39 pm

1 stop19h 19m

$1,415

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/2

6:04 pm-7:00 am

2 stops21h 56m

Sydney Kingsford Smith

Thu 8/20

10:20 am-7:56 pm

2 stops24h 36m

$1,415
Quickest round-trip

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 8/26

7:35 pm-6:50 am

1 stop20h 15m

Sydney Kingsford Smith

Wed 9/9

9:15 am-3:43 pm

1 stop21h 28m

$1,451
Cheapest one-way

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/16

8:30 am-11:50 am

3 stops36h 20m

$592

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 9/3

7:01 am-11:50 am

2 stops37h 49m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 19 resultsSorted by cheapest first
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*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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.

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?

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, August is the cheapest month in which you can book a flight from Austin to Sydney (average of $1,005). Flying from Austin to Sydney in December is currently the most expensive (average of $1,537). 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.

How much does it cost to fly round-trip from Austin to Sydney?

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 27, 2026.
See what other customers who have flown with Fiji Airways,Delta, andQantas 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.
Fiji Airways
8.1
Very good
240 reviews

Food

7.5

Overall

8.1

Comfort

8.1

Entertainment

7.5

Boarding

8.2

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Fiji Airways
8.1
Very good
240 reviews
Fiji Airways
8.1
Very good
240 reviews

Food

7.5

Overall

8.1

Comfort

8.1

Entertainment

7.5

Boarding

8.2

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Delta
7.9
Good
8,463 reviews
Fiji Airways
8.1
Very good
240 reviews

Food

7.5

Overall

8.1

Comfort

8.1

Entertainment

7.5

Boarding

8.2

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
Qantas Airways
7.5
Good
1,028 reviews
Fiji Airways
8.1
Very good
240 reviews

Food

7.5

Overall

8.1

Comfort

8.1

Entertainment

7.5

Boarding

8.2

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
United Airlines
7.4
Good
9,670 reviews
Fiji Airways
8.1
Very good
240 reviews

Food

7.5

Overall

8.1

Comfort

8.1

Entertainment

7.5

Boarding

8.2

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.
American Airlines
7.1
Good
11,668 reviews
Fiji Airways
8.1
Very good
240 reviews

Food

7.5

Overall

8.1

Comfort

8.1

Entertainment

7.5

Boarding

8.2

Crew

8.6

Reviews

1 / 19
8.0
Excellent

Paul,Mar 2026

YVR - NAN

Flown with Fiji Airways before they have always been good. The crew are very friendly and attentive. The seats in economy are in the small side but good. Another happy flight with them.

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.

  • How long is the flight from Austin to Sydney?

    There are many flights that can get you from Austin to Sydney in 23h 35m. Fly via United Airlines or Delta to get the fastest option. Airlines will cover a distance of 8469 mi. This flight may include one or multiple stops.

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

    According to our current data, Delta ($221), Fiji Airways ($717), and Air New Zealand ($912) offers the cheapest pricing from Austin to Sydney. Users have found that Delta is 83% 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 United Airlines. According to our data, you can fly for as low as $539. Users have also found prices from $588 and $624 on American Airlines 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, August is the cheapest month in which you can book a flight from Austin to Sydney (average of $1,005). Flying from Austin to Sydney in December is currently the most expensive (average of $1,537). 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
Parramatta
Wollongong
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$221Average$1,389FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$717Average$1,118FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$912Average$1,674FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$932Average$1,298FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$944Average$1,262FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$945Average$1,410FlexibilityNo cancel feeOn-time71%

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