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Cheap flights from Austin to Sydney from $882

AUS — SYD
22 Nov — 29 Nov1
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

Wed 18/1113:00 -
2 stops27h 35m
Wed 25/1111:20 -
2 stops29h 39m
Deal found 19/10$1,495
Wed 4/1119:07 -
2 stops45h 28m
Mon 16/1111:20 -
2 stops24h 35m
Deal found 21/10$1,556
Tue 10/1112:05 -
2 stops28h 30m
Mon 16/1111:20 -
2 stops40h 51m
Deal found 20/10$1,576
Thu 5/1113:27 -
2 stops27h 08m
Sun 8/1111:20 -
2 stops40h 51m
Deal found 22/10$1,626
Tue 1/1210:45 -
2 stops27h 10m
Fri 25/1211:20 -
2 stops40h 51m
Deal found 20/10$1,670
Tue 27/1015:11 -
1 stop23h 44m
Sat 7/1107:20 -
2 stops21h 38m
Deal found 21/10$1,680
Tue 1/1210:45 -
2 stops27h 10m
Tue 8/1211:20 -
2 stops23h 17m
Deal found 22/10$1,683
Tue 3/1115:23 -
1 stop24h 37m
Wed 11/1114:05 -
1 stop18h 25m
Deal found 21/10$1,693
Tue 3/1118:41 -
1 stop21h 39m
Wed 11/1111:50 -
2 stops23h 01m
Deal found 21/10$1,697

Find flight deals from Austin to Sydney

Round-trip from

$1,494

One-way from

$882

Popular in

December

Cheapest in

February

Average price

$1,931
Air Canada
  • Air Canada
  • 1/2-8/2
  • 4 total stops
  • 67h 12m total
  • Austin to Sydney
Search Deals
1/3-31/12
  • 1/3-31/12
  • 3 total stops
  • 45h 02m total
  • Austin to Sydney
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($72 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Austin to Sydney that are best for you.

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Price

Cheapest return flight
Fastest return journey

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Wed 28/10

19:07-07:00

1 stop19h 53m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$914

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Sat 31/10

16:30-07:00

2 stops46h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$922

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Tue 30/3

14:48-09:25

2 stops26h 37m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$986

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Thu 29/10

17:40-07:00

1 stop21h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$999

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Fri 9/4

15:44-06:30

2 stops23h 46m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,176

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Sat 10/4

13:55-07:00

1 stop26h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,371

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Sat 6/2

06:00-06:25

3 stops31h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,395

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Tue 3/11

17:40-09:05

2 stops22h 25m

Sydney Kingsford Smith

Wed 11/11

11:20-17:51

2 stops23h 31m

$1,697

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Mon 1/3

18:15-06:50

2 stops43h 35m

Sydney Kingsford Smith

Wed 10/3

10:40-11:59

1 stop18h 19m

$1,716

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Wed 3/3

16:00-08:30

1 stop23h 30m

Sydney Kingsford Smith

Mon 8/3

10:40-17:34

2 stops23h 54m

$1,716

Flights are sorted by cheapest return flights first.

Deals found on 18/10

Showing 1-10 of 15 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from Austin to Sydney (average of $1,351). Flying from Austin to Sydney in December is currently the most expensive (average of $2,346). 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?

Airfare is below average for this route at the moment.

Austin to Sydney flights typically cost between $1,614 and $1,989 in February.
The cheapest return price found within the last 5 days was $1,464 on Air Canada (24 Feb–17 Mar).

Related info for your journey

  • How long is the flight from Austin to Sydney?

    Airlines like United Airlines and Delta fly from Austin to Sydney in about 22h 25m. The time it takes to get you to your destination can typically vary by up to 21h 10m. 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, February is the cheapest month in which you can book a flight from Austin to Sydney (average of $1,351). Flying from Austin to Sydney in December is currently the most expensive (average of $2,346). 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
Manly
Lithgow
Cronulla
Terrigal
Katoomba
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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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