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Cheap flights from Sydney to Austin from $680

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — AUS
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Austin

Enter your travel dates to find the best prices.

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 10 August 2026.

Mon 9/1111:20 -
2 stops40h 51m
Tue 1/1212:05 -
2 stops28h 30m
Deal found 9/8$1,321
Tue 10/1111:20 -
2 stops40h 51m
Tue 1/1209:35 -
2 stops31h 00m
Deal found 9/8$1,396
Mon 16/1111:20 -
2 stops40h 51m
Tue 8/1206:40 -
3 stops33h 55m
Deal found 8/8$1,409
Mon 9/1111:20 -
2 stops23h 31m
Mon 30/1114:24 -
2 stops26h 11m
Deal found 9/8$1,424
Wed 12/810:20 -
1 stop21h 13m
Wed 2/913:39 -
1 stop26h 16m
Deal found 5/8$1,436
Wed 19/809:30 -
1 stop21h 19m
Wed 9/917:50 -
1 stop22h 05m
Deal found 5/8$1,445
Sun 8/1111:20 -
2 stops40h 51m
Mon 30/1109:37 -
2 stops30h 58m
Deal found 9/8$1,461
Mon 9/1111:20 -
2 stops24h 35m
Fri 4/1212:05 -
2 stops49h 50m
Deal found 9/8$1,470
Tue 10/1111:20 -
2 stops40h 51m
Sun 29/1112:05 -
2 stops28h 30m
Deal found 9/8$1,472
Sat 14/1111:20 -
2 stops23h 31m
Mon 7/1216:00 -
2 stops24h 35m
Deal found 9/8$1,489
Mon 9/1111:20 -
2 stops27h 33m
Sun 29/1112:05 -
2 stops28h 30m
Deal found 9/8$1,501
Sun 8/1111:20 -
2 stops40h 51m
Fri 4/1207:00 -
2 stops33h 35m
Deal found 9/8$1,526

Find 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 10 August 2026.

Round-trip from

$1,436

One-way from

$680

Popular in

January

Cheapest in

March

Average price

$1,410
United Airlines
  • United Airlines
  • 12/8-2/9
  • 4 total stops
  • 47h 37m total
  • Sydney to Austin
Search Deals
16/10
  • 16/10
  • 3 total stops
  • 46h 17m total
  • Sydney to Austin
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($581 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($81 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 10 August 2026.
Use the filters below to find and compare flights from Sydney to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Wed 16/9

09:30-15:49

1 stop21h 19m

Austin Bergstrom

Wed 7/10

09:39-07:55

2 stops30h 16m

$1,655

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Wed 2/9

09:30-15:49

1 stop21h 19m

Austin Bergstrom

Wed 23/9

16:10-06:55

2 stops23h 45m

$1,663

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Wed 18/11

11:20-16:58

2 stops22h 38m

Austin Bergstrom

Wed 9/12

13:55-09:05

1 stop26h 10m

$1,665

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Mon 9/11

11:20-17:49

1 stop23h 29m

Austin Bergstrom

Sat 28/11

20:01-09:05

2 stops44h 04m

$1,665

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Mon 16/11

11:20-13:14

1 stop18h 54m

Austin Bergstrom

Wed 9/12

13:00-09:05

2 stops27h 05m

$1,665

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Wed 9/9

09:20-06:01

1 stop35h 41m

Austin Bergstrom

Tue 15/9

11:40-07:20

2 stops52h 40m

$1,721
Fastest return journey

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Sun 25/10

10:20-13:14

1 stop18h 54m

Austin Bergstrom

Sun 15/11

12:16-07:00

1 stop25h 44m

$1,724

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Thu 24/9

10:20-18:25

1 stop23h 05m

Austin Bergstrom

Sat 17/10

16:07-07:55

1 stop23h 48m

$1,734

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Fri 13/11

11:50-17:39

1 stop22h 49m

Austin Bergstrom

Sun 13/12

13:34-06:20

1 stop23h 46m

$1,734

SydneyAustin

SYD Sydney Kingsford Smith - AUS Austin Bergstrom

SYDAUS

Sydney Kingsford Smith

Fri 4/9

09:15-12:42

1 stop18h 27m

Austin Bergstrom

Fri 11/9

06:25-06:50

2 stops33h 25m

$1,799

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 20 resultsSorted by cheapest first
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 return 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 much does it cost for a return flight from Sydney to Austin?

Airfare is typical for this route at the moment.

Sydney to Austin flights typically cost between $1,182 and $1,546 in November.
The cheapest return price found within the last 5 days was $1,321 on Air Canada (9 Nov–1 Dec).

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 10 August 2026.
Get a feel of what it's like to fly with Qantas Airways,United Airlines, andAmerican Airlines from Sydney to Austin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,081 reviews
Check prices

Boarding

7.7

Overall

7.5

Comfort

7.4

Crew

8.1

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qantas Airways
7.5
Good
1,081 reviews
Qantas Airways
7.5
Good
1,081 reviews
Check prices

Boarding

7.7

Overall

7.5

Comfort

7.4

Crew

8.1

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
United Airlines
7.4
Good
10,101 reviews
Qantas Airways
7.5
Good
1,081 reviews
Check prices

Boarding

7.7

Overall

7.5

Comfort

7.4

Crew

8.1

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
American Airlines
7.1
Good
11,899 reviews
Qantas Airways
7.5
Good
1,081 reviews
Check prices

Boarding

7.7

Overall

7.5

Comfort

7.4

Crew

8.1

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

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.

  • How long is the flight from Sydney to Austin?

    There are many flights that can get you from Sydney to Austin in 21h 19m. Fly via United Airlines to get the fastest option. Sydney and Austin are separated by a distance of 13630 km.

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

    United Airlines, at $1,061, was found to be the cheapest airline from Sydney to Austin.Alternate airlines to your destination round-trip include Qantas Airways and American Airlines. United 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Sydney to Austin

Discover the top 3 airlines 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 647,157 searches. Data last updated 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,061Average$1,460FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,273Average$1,627FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,428Average$1,593FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Austin?

Cheapflights helps you search for flights from Sydney to Austin via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Austin?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Austin.

Can Cheapflights find flights from Sydney to Austin with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Austin flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Austin become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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