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Cheap flights from Austin to Sydney from $702

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
26 Feb — 5 Mar1
1 adult

The best prices from Austin Bergstrom to Sydney Kingsford Smith are usually found in September or March, booked 50 days in advance, depart on a Friday or Thursday 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 21 February 2025.

Round-trip from

$1,315

One-way from

$702

Popular in

December

Cheapest in

September

Average price

$2,145
Air Canada
  • Air Canada
  • 7/5-21/5
  • 4 total stops
  • 94h 40m total
  • Austin to Sydney
Search Deals
1/5
  • 1/5
  • 2 total stops
  • 34h 30m total
  • Austin to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($396 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($96 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 21 February 2025.

Thu 28/808:30AUS - SYD
1 stop31h 50mAir Canada
Tue 9/909:20SYD - AUS
2 stops35h 00mAir Canada
Deal found 19/2$1,303
Sun 24/814:00AUS - SYD
1 stop26h 05mAmerican Airlines
Wed 3/909:10SYD - AUS
1 stop26h 14mAmerican Airlines
Deal found 20/2$1,402
Mon 19/519:47AUS - SYD
1 stop20h 08mUnited Airlines
Thu 5/610:20SYD - AUS
1 stop19h 01mUnited Airlines
Deal found 19/2$1,425
Thu 22/511:59AUS - SYD
1 stop27h 36mDelta
Tue 3/609:25SYD - AUS
1 stop20h 36mDelta
Deal found 19/2$1,515
Sun 9/316:20AUS - SYD
2 stops26h 05mAir New Zealand
Sat 22/313:55SYD - AUS
2 stops25h 49mAir New Zealand
Deal found 19/2$1,566
Wed 2/412:50AUS - SYD
2 stops27h 30mMultiple Airlines
Wed 16/409:20SYD - AUS
2 stops40h 15mMultiple Airlines
Deal found 20/2$1,612
Tue 18/320:37AUS - SYD
2 stops23h 53mFiji Airways
Sat 5/406:00SYD - AUS
2 stops29h 58mFiji Airways
Deal found 19/2$2,019
Fri 14/317:53AUS - SYD
2 stops33h 52mAlaska Airlines
Sun 6/421:40SYD - AUS
2 stops47h 35mAlaska Airlines
Deal found 20/2$2,418
Sun 23/1114:21AUS - SYD
1 stop24h 04mQantas Airways
Sun 30/1114:30SYD - AUS
1 stop19h 18mQantas Airways
Deal found 19/2$2,792
Tue 18/319:00AUS - SYD
3 stops30h 40mAir Tahiti Nui
Sat 5/417:50SYD - AUS
3 stops41h 17mAir Tahiti Nui
Deal found 19/2$3,114
Sat 22/1116:32AUS - SYD
3 stops56h 23mSingapore Airlines
Sun 30/1112:15SYD - AUS
2 stops52h 44mSingapore Airlines
Deal found 19/2$3,811

Find flights from Austin to Sydney within your budget

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 21 February 2025.

Fly from

Austin

Fly to

Sydney

Route

Depart

Return

Price

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 7/5

10:00-07:20

2 stops54h 20m

Sydney Kingsford Smith

Wed 21/5

09:20-10:40

2 stops40h 20m

$1,315

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 16/4

20:03-07:05

1 stop20h 02m

Sydney Kingsford Smith

Tue 29/4

09:10-19:07

1 stop24h 57m

$1,402

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 19/5

19:47-06:55

1 stop20h 08m

Sydney Kingsford Smith

Thu 5/6

10:20-14:21

1 stop19h 01m

$1,425

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 22/5

11:59-06:35

1 stop27h 36m

Sydney Kingsford Smith

Tue 3/6

09:25-15:01

1 stop20h 36m

$1,515

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 9/3

16:20-10:25

2 stops26h 05m

Sydney Kingsford Smith

Sat 22/3

13:55-23:44

2 stops25h 49m

$1,566

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 2/4

12:50-08:20

2 stops27h 30m

Sydney Kingsford Smith

Wed 16/4

09:20-10:35

2 stops40h 15m

$1,612

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 18/3

20:37-12:30

2 stops23h 53m

Sydney Kingsford Smith

Sat 5/4

06:00-19:58

2 stops29h 58m

$2,019

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 14/3

17:53-19:45

2 stops33h 52m

Sydney Kingsford Smith

Sun 6/4

21:40-06:15

2 stops47h 35m

$2,418

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 18/3

19:00-17:40

3 stops30h 40m

Sydney Kingsford Smith

Sat 5/4

17:50-19:07

3 stops41h 17m

$3,114

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 6/3

06:00-17:55

3 stops42h 55m

Sydney Kingsford Smith

Wed 12/3

19:10-23:50

3 stops44h 40m

$5,238

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 25 results
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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.

Travel insights for flights from Austin to Sydney

Get recent, data-driven insights about flights from Austin to Sydney including ideal travel times, pricing trends, and more.

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 14 February 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 21 February 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 16 February 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 21 February 2025.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

Boarding

8.7

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
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

Boarding

8.7

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.

ANA
8.4
Very Good
836 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

Boarding

8.7

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.

Singapore Airlines
8.1
Very Good
1,299 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

Boarding

8.7

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
184 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

Boarding

8.7

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
8,213 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Entertainment

7.2

Food

7.8

Crew

9.1

Overall

8.7

Comfort

8.0

Boarding

8.7

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 $1,315, 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 American Airlines and United Airlines - these airlines can fly you to your destination from $1,402 and $1,425, respectively. Air Canada is 40% 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 American Airlines. According to our data, you can fly for as low as $833. Users have also found prices from $843 and $931 on United Airlines and Delta, 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?

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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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