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$441+ Cheap flights from Sydney (SYD) to Austin (AUS)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — AUS
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Austin Bergstrom are usually found in May or March, booked 25 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Sydney to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Austin (AUS). 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 August 13, 2025.

Round-trip from

$831
(American Airlines)

One-way from

$441
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,264
From Sydney Kingsford Smith to Austin Bergstrom
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One-way flight from Sydney Kingsford Smith to Austin Bergstrom
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Highest demand for flights based on searches. 9% potential increase in price ($137 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 August 2025
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Find flight deals from Sydney to Austin

Cheapest flights from Sydney to Austin
Explore the most affordable flight options available from Sydney to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This lol.travel deal was found by Cheapflights users on 8/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:30 amSYD - AUS
2 stops22h 30mUnited Airlines
Sat 8/305:55 pmAUS - SYD
2 stops22h 05mUnited Airlines
Deal found 8/12$773
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:10 amSYD - AUS
2 stops23h 12mAmerican Airlines
Wed 9/173:31 pmAUS - SYD
2 stops24h 34mAmerican Airlines
Deal found 8/11$831
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:30 amSYD - AUS
1 stop21h 08mUnited Airlines
Wed 10/222:50 pmAUS - SYD
2 stops25h 10mUnited Airlines
Deal found 8/10$836
This Delta deal was found by Cheapflights users on 8/10. 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.
Fri 9/269:25 amSYD - AUS
2 stops29h 59mDelta
Sat 11/18:10 amAUS - SYD
2 stops31h 20mDelta
Deal found 8/10$837
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Wed 10/1510:20 amSYD - AUS
3 stops49h 35mMultiple Airlines
Wed 10/222:15 pmAUS - SYD
2 stops26h 05mMultiple Airlines
Deal found 8/10$1,071
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:30 amSYD - AUS
1 stop21h 19mUnited Airlines
Sat 10/44:21 pmAUS - SYD
2 stops23h 34mUnited Airlines
Deal found 8/12$1,119
This BYOjet deal was found by Cheapflights users on 8/11. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:00 amSYD - AUS
2 stops28h 11mMultiple Airlines
Fri 10/32:15 pmAUS - SYD
2 stops26h 05mMultiple Airlines
Deal found 8/11$1,143
This BYOjet deal was found by Cheapflights users on 8/11. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:20 amSYD - AUS
1 stop25h 51mAir Canada
Fri 10/31:00 pmAUS - SYD
2 stops27h 20mAir Canada
Deal found 8/11$1,282

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Austin 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 August 13, 2025.
Use the filters below to find and compare flights from Sydney to Austin that are best for you.

Fly from

Sydney

Fly to

Austin

Route

Depart

Return

Price

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Wed 9/10

9:10 am-5:22 pm

2 stops23h 12m

Austin Bergstrom

Wed 9/17

3:31 pm-7:05 am

2 stops24h 34m

$831

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Wed 10/15

10:30 am-3:38 pm

1 stop21h 08m

Austin Bergstrom

Wed 10/22

2:50 pm-8:00 am

2 stops25h 10m

$836

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Fri 9/26

9:25 am-12:24 am

2 stops29h 59m

Austin Bergstrom

Sat 11/1

8:10 am-7:30 am

2 stops31h 20m

$837

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Wed 10/15

10:20 am-7:55 pm

3 stops49h 35m

Austin Bergstrom

Wed 10/22

2:15 pm-8:20 am

2 stops26h 05m

$1,071

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sat 9/27

9:30 am-3:49 pm

1 stop21h 19m

Austin Bergstrom

Sat 10/4

4:21 pm-7:55 am

2 stops23h 34m

$1,119

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Fri 9/26

7:00 am-8:11 pm

2 stops28h 11m

Austin Bergstrom

Fri 10/3

2:15 pm-7:20 am

2 stops26h 05m

$1,143

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Wed 10/15

5:20 pm-12:33 am

3 stops47h 13m

$441

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Wed 10/15

10:20 am-8:11 pm

1 stop25h 51m

$467

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Fri 9/26

7:00 am-8:11 pm

2 stops28h 11m

$480

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Mon 10/20

10:20 am-12:48 pm

2 stops42h 28m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 15 results
1
2

Best time to book a flight from Sydney to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Sydney 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 Sydney to Austin

How far ahead should I book a flight from Sydney to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Austin. Price data was last updated on August 8, 2025.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Sydney to Austin (average of $286). Flying from Sydney to Austin in March is currently the most expensive (average of $362). 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 SYD to AUS?

Find hourly flight availability from Sydney to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

It’s typically best to fly out from Sydney to Austin in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated August 13, 2025.
Read reviews from past customers who have flown American Airlines from Sydney to Austin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Entertainment

6.9

Crew

8.0

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Entertainment

6.9

Crew

8.0

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Sydney to Austin round-trip?

    Cheapflights users have booked flights from Sydney to Austin round-trip from $831. American Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Sydney to Austin (average of $286). Flying from Sydney to Austin in March is currently the most expensive (average of $362). 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
San Marcos
Georgetown
Fredericksburg
Pflugerville
Dripping Springs
Cedar Park
Canyon Lake
Round Rock
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Sydney to Austin

Discover the top airline that operate flights from Sydney to Austin. 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,061Average$2,203FlexibilityNo cancel feeOn-time71%

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