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Cheap flights from Austin to Sydney from $842

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Austin Bergstrom to Sydney Kingsford Smith are usually found in September or May, booked 50 days in advance, depart on a Friday or Saturday and return on a Saturday

Cheap 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 15 April 2025.

Round-trip from

$1,813

One-way from

$842

Popular in

December

Cheapest in

September

Average price

$2,095
Fiji Airways
  • Fiji Airways
  • 31/7-26/8
  • 4 total stops
  • 46h 43m total
  • Austin to Sydney
Search Deals
Fiji Airways
  • Fiji Airways
  • 13/5
  • 2 total stops
  • 24h 30m total
  • Austin to Sydney
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($451 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($100 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find 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 15 April 2025.

Sat 18/1020:32AUS - SYD
2 stops24h 13mMultiple Airlines
Sat 25/1014:45SYD - AUS
2 stops21h 57mMultiple Airlines
Deal found 14/4$1,756
Tue 20/508:30AUS - SYD
1 stop31h 50mAir Canada
Tue 27/509:20SYD - AUS
2 stops40h 20mAir Canada
Deal found 14/4$1,898
Sun 3/819:51AUS - SYD
2 stops21h 54mAir New Zealand
Wed 13/809:55SYD - AUS
2 stops29h 04mAir New Zealand
Deal found 14/4$1,946
Sat 2/820:16AUS - SYD
2 stops24h 29mFiji Airways
Tue 12/813:15SYD - AUS
2 stops22h 14mFiji Airways
Deal found 14/4$1,986
Tue 1/714:00AUS - SYD
1 stop26h 05mAmerican Airlines
Tue 15/709:10SYD - AUS
1 stop18h 54mAmerican Airlines
Deal found 14/4$2,280
Sun 6/720:16AUS - SYD
1 stop19h 39mQantas Airways
Mon 21/710:25SYD - AUS
1 stop19h 30mQantas Airways
Deal found 14/4$2,294
Thu 3/716:11AUS - SYD
2 stops36h 34mAlaska Airlines
Sun 20/721:40SYD - AUS
2 stops29h 56mAlaska Airlines
Deal found 14/4$2,301
Mon 7/707:00AUS - SYD
2 stops32h 55mUnited Airlines
Tue 22/710:20SYD - AUS
1 stop23h 29mUnited Airlines
Deal found 14/4$2,302
Wed 30/713:40AUS - SYD
2 stops25h 55mDelta
Wed 13/809:25SYD - AUS
2 stops22h 41mDelta
Deal found 14/4$2,324
Wed 9/712:50AUS - SYD
2 stops39h 25mANA
Wed 23/711:50SYD - AUS
2 stops45h 59mANA
Deal found 14/4$2,905

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 15 April 2025.
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

Thu 31/7

19:16-12:15

2 stops25h 59m

Sydney Kingsford Smith

Tue 26/8

13:15-18:59

2 stops20h 44m

$1,813

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 20/5

08:30-07:20

1 stop31h 50m

Sydney Kingsford Smith

Tue 27/5

09:20-10:40

2 stops40h 20m

$1,898

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 3/8

19:51-08:45

2 stops21h 54m

Sydney Kingsford Smith

Wed 13/8

09:55-23:59

2 stops29h 04m

$1,946

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 2/8

20:16-11:45

2 stops24h 29m

Sydney Kingsford Smith

Tue 12/8

13:15-20:29

2 stops22h 14m

$1,986

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/6

18:59-19:45

2 stops33h 46m

Sydney Kingsford Smith

Sun 15/6

21:40-12:36

2 stops29h 56m

$2,255

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 1/7

14:00-07:05

1 stop26h 05m

Sydney Kingsford Smith

Tue 15/7

09:10-13:04

1 stop18h 54m

$2,280

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 6/7

20:16-06:55

1 stop19h 39m

Sydney Kingsford Smith

Mon 21/7

10:25-14:55

1 stop19h 30m

$2,294

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 7/7

07:00-06:55

2 stops32h 55m

Sydney Kingsford Smith

Mon 21/7

10:20-18:49

1 stop23h 29m

$2,302

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 30/7

13:40-06:35

2 stops25h 55m

Sydney Kingsford Smith

Wed 13/8

09:25-17:06

2 stops22h 41m

$2,324

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 13/5

20:15-11:45

2 stops24h 30m

$842

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 16 results
1
2

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?

Use this chart to determine the optimal time to book a return flight from Austin to Sydney. Price data was last updated on 11 April 2025.

To ensure you get the cheapest price possible for a flight from Austin to Sydney, you should look to book at least 50 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, May is the cheapest month in which you can book a flight from Austin to Sydney (average of $129). Flying from Austin to Sydney in October is currently the most expensive (average of $171). 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 15 April 2025.

It’s typically best to fly out from Austin to Sydney in the evening. Doing so could potentially save you 47% on the flight price compared to flying in the morning, 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 return from Austin to Sydney. Price data was last updated on 30 March 2025.

Travellers seeking maximum savings on their Austin to Sydney flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 15 April 2025.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Comfort

8.1

Overall

8.8

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Comfort

8.1

Overall

8.8

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Alaska Airlines
8.0
Very Good
9,871 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Comfort

8.1

Overall

8.8

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.0
Very Good
183 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Comfort

8.1

Overall

8.8

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very Good
7,916 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Comfort

8.1

Overall

8.8

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air New Zealand
8.0
Very Good
464 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Comfort

8.1

Overall

8.8

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

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

    Currently priced at $1,898, Air Canada will fly you from Austin to Sydney and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air New Zealand and Fiji Airways - these airlines can fly you to your destination from $1,946 and $1,986, respectively. Air Canada is 14% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Austin to Sydney one-way?

    For one-way options, check prices for Fiji Airways. According to our data, you can fly for as low as $842. Users have also found prices from $1,328 and $1,465 on Air Canada and American Airlines, 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 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, May is the cheapest month in which you can book a flight from Austin to Sydney (average of $129). Flying from Austin to Sydney in October is currently the most expensive (average of $171). 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 Austin?

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

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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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