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Cheap flights from Austin to Sydney from $944

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Austin to Sydney

Enter your travel dates to find the best prices.

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 8 June 2026.

Mon 19/1009:00
AUS
-
SYD
1 stop31h 20m
Air Canada
Tue 27/1010:20
SYD
-
AUS
2 stops41h 59m
Air Canada
Deal found 7/6$1,607
Sat 26/911:35
AUS
-
SYD
2 stops52h 45m
Air Canada
Wed 30/909:20
SYD
-
AUS
1 stop35h 41m
Air Canada
Deal found 4/6$1,608
Wed 9/907:15
AUS
-
SYD
2 stops33h 05m
Air Canada
Wed 30/909:20
SYD
-
AUS
1 stop35h 41m
Air Canada
Deal found 7/6$1,615
Wed 29/714:18
AUS
-
SYD
2 stops26h 02m
Air Canada
Sun 9/809:20
SYD
-
AUS
1 stop35h 42m
Air Canada
Deal found 3/6$1,617
Sun 8/1113:10
AUS
-
SYD
2 stops51h 25m
Air Canada
Wed 18/1111:20
SYD
-
AUS
2 stops41h 59m
Air Canada
Deal found 7/6$1,618
Sun 6/911:40
AUS
-
SYD
2 stops52h 40m
Air Canada
Wed 16/909:20
SYD
-
AUS
1 stop35h 41m
Air Canada
Deal found 4/6$1,622
Wed 29/714:18
AUS
-
SYD
2 stops26h 02m
Multiple Airlines
Mon 10/807:00
SYD
-
AUS
2 stops38h 02m
Multiple Airlines
Deal found 3/6$1,639

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 8 June 2026.

Round-trip from

$1,607

One-way from

$944

Popular in

December

Cheapest in

August

Average price

$1,930
Air Canada
  • Air Canada
  • 19/10-27/10
  • 3 total stops
  • 73h 19m total
  • Austin to Sydney
Search Deals
9/8
  • 9/8
  • 2 total stops
  • 37h 29m total
  • Austin to Sydney
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 8 June 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 return flight
Fastest return journey

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 23/8

20:48-07:05

1 stop19h 17m

Sydney Kingsford Smith

Sun 6/9

12:00-18:22

1 stop21h 22m

$1,817

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 3/11

18:00-09:15

1 stop22h 15m

Sydney Kingsford Smith

Mon 7/12

11:50-15:29

1 stop20h 39m

$1,858

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 4/11

17:30-09:05

2 stops22h 35m

Sydney Kingsford Smith

Fri 11/12

12:10-16:12

1 stop21h 02m

$1,936

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 24/6

18:04-07:00

2 stops21h 56m

Sydney Kingsford Smith

Sat 4/7

10:20-17:50

1 stop22h 30m

$1,964

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 27/11

16:32-09:05

2 stops23h 33m

Sydney Kingsford Smith

Fri 18/12

12:10-16:12

1 stop21h 02m

$2,007

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 22/8

16:10-07:00

2 stops23h 50m

Sydney Kingsford Smith

Sat 5/9

10:20-17:05

2 stops21h 45m

$2,041

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 2/7

14:18-07:00

2 stops25h 42m

Sydney Kingsford Smith

Sat 11/7

10:20-14:28

1 stop19h 08m

$2,041

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 20/7

06:10-06:50

2 stops33h 40m

Sydney Kingsford Smith

Mon 27/7

09:15-17:57

2 stops23h 42m

$2,147
Cheapest one-way

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 4/7

15:11-07:05

1 stop24h 54m

$985

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 25/6

20:01-06:55

1 stop19h 54m

$998

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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 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 Austin to Sydney

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

To ensure you get the cheapest price possible for a flight from Austin to Sydney, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $1,412). Flying from Austin to Sydney in December is currently the most expensive (average of $2,164). 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 for a return flight from Austin to Sydney?

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?

    Airlines like Qantas Airways and United Airlines fly from Austin to Sydney in about 19h 17m. The time it takes to get you to your destination can typically vary by up to 2h 58m. Airlines will cover a distance of 13630 km. This flight may include one or multiple stops.

  • 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 holiday 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 $1,412). Flying from Austin to Sydney in December is currently the most expensive (average of $2,164). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Katoomba
Cronulla
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Leura
Coogee

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

Cheapflights makes it easy to find Austin to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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 Austin to Sydney.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Austin to Sydney, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Austin to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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