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$519+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Austin Bergstrom to Sydney Kingsford Smith are usually found in August or September, booked 72 days in advance, depart on a Saturday or Friday and return on a Tuesday

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 February 11, 2026.

This oojo deal was found by Cheapflights users on 2/10. 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.
Fri 2/132:19 pm
AUS
-
SYD
1 stop25h 41m
Qantas Airways
Tue 2/247:15 pm
SYD
-
AUS
2 stops33h 01m
Qantas Airways
Deal found 2/10$886
This oojo deal was found by Cheapflights users on 2/10. 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.
Sat 2/142:19 pm
AUS
-
SYD
1 stop25h 41m
Qantas Airways
Mon 2/165:50 pm
SYD
-
AUS
2 stops34h 26m
Qantas Airways
Deal found 2/10$898
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:00 am
AUS
-
SYD
1 stop32h 25m
Qantas Airways
Sun 2/157:15 pm
SYD
-
AUS
2 stops37h 19m
Qantas Airways
Deal found 2/9$937
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:31 pm
AUS
-
SYD
2 stops31h 09m
Qantas Airways
Tue 3/1711:20 am
SYD
-
AUS
1 stop28h 39m
Qantas Airways
Deal found 2/9$1,047
This oojo deal was found by Cheapflights users on 2/10. 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.
Fri 2/132:19 pm
AUS
-
SYD
1 stop25h 41m
Qantas Airways
Mon 2/235:50 pm
SYD
-
AUS
2 stops34h 26m
Qantas Airways
Deal found 2/10$1,048
This oojo deal was found by Cheapflights users on 2/8. 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.
Thu 3/56:35 pm
AUS
-
SYD
2 stops30h 05m
Qantas Airways
Sat 3/1411:20 am
SYD
-
AUS
1 stop28h 39m
Qantas Airways
Deal found 2/8$1,052
This Qantas Airways deal was found by Cheapflights users on 2/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:19 pm
AUS
-
SYD
1 stop25h 41m
Qantas Airways
Sun 2/227:15 pm
SYD
-
AUS
2 stops37h 19m
Qantas Airways
Deal found 2/10$1,085
This Qantas Airways deal was found by Cheapflights users on 2/8. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:57 pm
AUS
-
SYD
1 stop21h 03m
Qantas Airways
Sun 3/157:15 pm
SYD
-
AUS
2 stops32h 01m
Qantas Airways
Deal found 2/8$1,089

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$886
(oojo)

One-way from

$519
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,057
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
Highest demand for flights based on searches. 6% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 11, 2026.
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 3/10

6:31 pm-5:40 pm

2 stops31h 09m

Sydney Kingsford Smith

Tue 3/17

11:20 am-11:59 pm

1 stop28h 39m

$1,047

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 3/31

4:43 pm-8:20 am

2 stops23h 37m

Sydney Kingsford Smith

Tue 5/12

9:20 am-10:53 am

2 stops40h 33m

$1,106

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 3/10

4:54 pm-8:35 am

2 stops23h 41m

Sydney Kingsford Smith

Tue 3/17

10:20 am-9:27 pm

3 stops51h 07m

$1,109

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 5/24

11:55 am-7:20 am

2 stops28h 25m

Sydney Kingsford Smith

Sat 5/30

8:10 pm-8:02 pm

2 stops38h 52m

$1,119

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 4/6

9:40 am-7:20 am

2 stops30h 40m

Sydney Kingsford Smith

Thu 4/16

9:20 am-12:00 pm

2 stops41h 40m

$1,147

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 3/5

11:30 am-9:35 am

2 stops29h 05m

Sydney Kingsford Smith

Mon 3/9

11:20 am-12:19 pm

2 stops40h 59m

$1,147

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 5/15

10:25 am-7:20 am

3 stops53h 55m

Sydney Kingsford Smith

Sat 5/30

8:10 pm-8:02 pm

2 stops38h 52m

$1,164

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 5/24

10:25 am-7:20 am

2 stops29h 55m

Sydney Kingsford Smith

Mon 6/1

9:20 am-8:02 pm

1 stop25h 42m

$1,192

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 6/15

7:50 pm-6:55 am

1 stop20h 05m

Sydney Kingsford Smith

Mon 6/29

9:50 pm-11:51 pm

2 stops41h 01m

$1,193

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 3/31

2:24 pm-3:35 pm

2 stops33h 11m

Sydney Kingsford Smith

Sun 5/24

12:00 pm-4:25 pm

1 stop19h 25m

$1,194

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 22 results
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2
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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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Sydney. Price data was last updated on February 6, 2026.

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 72 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, May is the cheapest month in which you can book a flight from Austin to Sydney (average of $256). Flying from Austin to Sydney in December is currently the most expensive (average of $968). 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 February 11, 2026.

It’s typically best to fly out from Austin to Sydney in the afternoon. Doing so could potentially save you 83% 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.

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 February 11, 2026.
See what other customers who have flown with Fiji Airways, Delta, and Qantas 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
8.0
Very good
225 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.5

Food

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍
Fiji Airways
8.0
Very good
225 reviews
Fiji Airways
8.0
Very good
225 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.5

Food

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍
Delta
7.9
Good
8,180 reviews
Fiji Airways
8.0
Very good
225 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.5

Food

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍
Qantas Airways
7.5
Good
988 reviews
Fiji Airways
8.0
Very good
225 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.5

Food

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍
United Airlines
7.4
Good
9,274 reviews
Fiji Airways
8.0
Very good
225 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.5

Food

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍
American Airlines
7.2
Good
11,266 reviews
Fiji Airways
8.0
Very good
225 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.5

Food

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Feb 2026

SFO - NAN

Very friendly staff, warm service, well maintained aircraft, comfortable seats, and reliable on-time performance 👍👍

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 30h 40m. Fly via Qantas Airways or Air Canada 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 ($469), Fiji Airways ($717), and United Airlines ($907) offers the cheapest pricing from Austin to Sydney. Users have found that Delta is 61% 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 American Airlines. According to our data, you can fly for as low as $535. Users have also found prices from $538 and $543 on United Airlines and Delta, 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, May is the cheapest month in which you can book a flight from Austin to Sydney (average of $256). Flying from Austin to Sydney in December is currently the most expensive (average of $968). 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
Manly

Browse thousands of different options on Cheapflights for your next trip

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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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$469Average$1,260FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$717Average$1,203FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$907Average$1,212FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$942Average$1,410FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$950Average$1,296FlexibilityNo cancel feeOn-time74%

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