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$613+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
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 May 18, 2026.

This oojo deal was found by Cheapflights users on 5/13. 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 11/172:29 pm
AUS
-
SYD
1 stop25h 31m
Qantas Airways
Wed 12/25:50 pm
SYD
-
AUS
2 stops36h 11m
Qantas Airways
Deal found 5/13$987
This oojo deal was found by Cheapflights users on 5/18. 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 10/306:53 pm
AUS
-
SYD
2 stops33h 57m
Qantas Airways
Mon 11/1611:15 am
SYD
-
AUS
1 stop19h 26m
Qantas Airways
Deal found 5/18$995
This lol.travel deal was found by Cheapflights users on 5/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:50 am
AUS
-
SYD
1 stop31h 30m
Air Canada
Mon 6/19:20 am
SYD
-
AUS
1 stop25h 57m
Air Canada
Deal found 5/14$1,061
This Orbitz deal was found by Cheapflights users on 5/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/242:45 pm
AUS
-
SYD
2 stops25h 35m
Air Canada
Tue 6/29:20 am
SYD
-
AUS
2 stops38h 19m
Air Canada
Deal found 5/16$1,127
This Air Canada deal was found by Cheapflights users on 5/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:00 am
AUS
-
SYD
1 stop31h 20m
Air Canada
Tue 10/2010:20 am
SYD
-
AUS
2 stops49h 58m
Air Canada
Deal found 5/16$1,134
This FlightHub deal was found by Cheapflights users on 5/14. 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 9/299:00 am
AUS
-
SYD
1 stop31h 20m
Air Canada
Mon 10/1210:20 am
SYD
-
AUS
1 stop25h 41m
Air Canada
Deal found 5/14$1,136
This Air Canada deal was found by Cheapflights users on 5/13. 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 6/1010:25 am
AUS
-
SYD
2 stops29h 55m
Air Canada
Wed 6/179:20 am
SYD
-
AUS
2 stops40h 25m
Air Canada
Deal found 5/13$1,137
This Air Canada deal was found by Cheapflights users on 5/15. 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 6/211:55 am
AUS
-
SYD
2 stops28h 25m
Air Canada
Tue 6/99:20 am
SYD
-
AUS
2 stops40h 38m
Air Canada
Deal found 5/15$1,142

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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,127
(Orbitz)

One-way from

$613
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,365
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, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 18, 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
Quickest round-trip

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 10/6

7:59 pm-8:00 am

1 stop20h 01m

Sydney Kingsford Smith

Tue 10/20

11:20 am-6:25 pm

1 stop23h 05m

$1,310

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 6/21

6:04 pm-7:00 am

2 stops21h 56m

Sydney Kingsford Smith

Mon 7/27

10:20 am-7:05 pm

1 stop23h 45m

$1,339

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 6/21

4:15 pm-6:50 am

1 stop23h 35m

Sydney Kingsford Smith

Mon 7/27

9:15 am-9:30 pm

2 stops27h 15m

$1,340

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 6/19

8:21 pm-6:50 am

1 stop19h 29m

Sydney Kingsford Smith

Mon 7/27

9:15 am-8:58 pm

1 stop26h 43m

$1,385

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 6/20

3:30 pm-6:55 am

1 stop24h 25m

Sydney Kingsford Smith

Tue 7/28

10:20 am-7:05 pm

1 stop23h 45m

$1,385

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 8/26

5:44 pm-6:55 am

2 stops22h 11m

Sydney Kingsford Smith

Sat 9/5

9:30 am-5:44 pm

2 stops23h 14m

$1,389

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 8/17

3:08 pm-6:55 am

2 stops24h 47m

Sydney Kingsford Smith

Thu 9/17

9:30 am-3:26 pm

2 stops20h 56m

$1,390

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 6/18

4:10 pm-7:00 am

2 stops23h 50m

Sydney Kingsford Smith

Tue 7/28

10:20 am-2:39 pm

1 stop19h 19m

$1,395

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 7/12

8:01 pm-6:55 am

1 stop19h 54m

Sydney Kingsford Smith

Sun 7/26

10:20 am-5:46 am

1 stop34h 26m

$1,457

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 7/19

6:04 pm-7:00 am

2 stops21h 56m

Sydney Kingsford Smith

Sat 8/1

10:20 am-4:58 pm

2 stops21h 38m

$1,548

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 23 resultsSorted by cheapest first
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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 May.
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 41 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 $988). Flying from Austin to Sydney in December is currently the most expensive (average of $1,525). 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 May 18, 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
241 reviews

Comfort

8.1

Crew

8.6

Food

7.6

Entertainment

7.5

Overall

8.1

Boarding

8.2

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
241 reviews
Fiji Airways
8.1
Very good
241 reviews

Comfort

8.1

Crew

8.6

Food

7.6

Entertainment

7.5

Overall

8.1

Boarding

8.2

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
8,449 reviews
Fiji Airways
8.1
Very good
241 reviews

Comfort

8.1

Crew

8.6

Food

7.6

Entertainment

7.5

Overall

8.1

Boarding

8.2

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
1,037 reviews
Fiji Airways
8.1
Very good
241 reviews

Comfort

8.1

Crew

8.6

Food

7.6

Entertainment

7.5

Overall

8.1

Boarding

8.2

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
9,736 reviews
Fiji Airways
8.1
Very good
241 reviews

Comfort

8.1

Crew

8.6

Food

7.6

Entertainment

7.5

Overall

8.1

Boarding

8.2

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
11,648 reviews
Fiji Airways
8.1
Very good
241 reviews

Comfort

8.1

Crew

8.6

Food

7.6

Entertainment

7.5

Overall

8.1

Boarding

8.2

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 20h 01m. Fly via Air New Zealand, 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 ($318), Fiji Airways ($717), and Air New Zealand ($912) offers the cheapest pricing from Austin to Sydney. Users have found that Delta is 75% 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 $988). Flying from Austin to Sydney in December is currently the most expensive (average of $1,525). 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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$1,365FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$717Average$1,118FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$912Average$1,672FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$932Average$1,310FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$946Average$1,400FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$947Average$1,318FlexibilityNo cancel feeOn-time69%

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