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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
30 Dec — 6 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Austin Bergstrom to Sydney Kingsford Smith are usually found in May or April, booked 72 days in advance, depart on a Friday or Saturday and return on a Saturday
Find 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 30 November 2025.
Tue 2/1214:22AUS - SYD
1 stop25h 38mQantas Airways
Thu 4/1217:45SYD - AUS
1 stop18h 38mQantas Airways
Deal found 28/11$1,396
Sat 29/1114:28AUS - SYD
1 stop25h 32mQantas Airways
Sat 6/1211:20SYD - AUS
1 stop25h 03mQantas Airways
Deal found 28/11$1,416
Sat 29/1118:22AUS - SYD
2 stops21h 38mAmerican Airlines
Fri 12/1211:20SYD - AUS
1 stop28h 39mAmerican Airlines
Deal found 28/11$1,432
Sun 30/1120:08AUS - SYD
1 stop19h 52mAmerican Airlines
Sun 7/1211:20SYD - AUS
1 stop25h 03mAmerican Airlines
Deal found 29/11$1,443
Sat 29/1114:28AUS - SYD
1 stop25h 32mQantas Airways
Fri 12/1217:45SYD - AUS
1 stop18h 38mQantas Airways
Deal found 28/11$1,446
Sat 29/1120:33AUS - SYD
1 stop19h 27mAmerican Airlines
Sat 6/1211:20SYD - AUS
2 stops21h 23mAmerican Airlines
Deal found 28/11$1,449
Wed 10/1213:55AUS - SYD
1 stop24h 05mUnited Airlines
Mon 22/1214:00SYD - AUS
1 stop26h 59mUnited Airlines
Deal found 29/11$1,469
Wed 10/1210:15AUS - SYD
2 stops27h 05mUnited Airlines
Wed 17/1211:50SYD - AUS
1 stop18h 09mUnited Airlines
Deal found 29/11$1,477
Sat 29/1119:43AUS - SYD
1 stop42h 17mUnited Airlines
Fri 12/1211:20SYD - AUS
1 stop19h 32mUnited Airlines
Deal found 28/11$1,492
Thu 11/1215:02AUS - SYD
1 stop25h 13mUnited Airlines
Sun 21/1212:10SYD - AUS
1 stop22h 16mUnited Airlines
Deal found 29/11$1,503
Wed 10/1215:02AUS - SYD
2 stops46h 53mAir Canada
Sun 21/1211:20SYD - AUS
2 stops40h 43mAir Canada
Deal found 29/11$1,518
Best flights from Austin to Sydney
Discover carefully curated flight deals from Austin to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 November 2025.
Tue 19/508:30AUS - SYD
1 stop31h 50mAir Canada
Tue 26/509:20SYD - AUS
1 stop40h 09mAir Canada
Deal found 29/11$1,309
Sun 25/118:25AUS - SYD
1 stop20h 00mMultiple Airlines
Fri 30/111:20SYD - AUS
1 stop23h 15mMultiple Airlines
Deal found 29/11$1,445
Sun 1/318:40AUS - SYD
1 stop20h 50mDelta
Sun 15/309:40SYD - AUS
1 stop18h 34mDelta
Deal found 29/11$1,469
Wed 11/317:57AUS - SYD
1 stop21h 03mUnited Airlines
Sun 15/314:00SYD - AUS
1 stop18h 52mUnited Airlines
Deal found 28/11$1,469
Sun 1/313:59AUS - SYD
1 stop23h 51mDelta
Sun 8/310:40SYD - AUS
1 stop20h 58mDelta
Deal found 29/11$1,469
Sun 8/317:57AUS - SYD
1 stop21h 03mUnited Airlines
Mon 16/310:20SYD - AUS
1 stop21h 23mUnited Airlines
Deal found 28/11$1,469
Wed 11/319:17AUS - SYD
1 stop20h 08mDelta
Wed 18/309:40SYD - AUS
1 stop24h 32mDelta
Deal found 28/11$1,469
Sun 8/317:58AUS - SYD
1 stop20h 22mUnited Airlines
Tue 17/311:50SYD - AUS
1 stop21h 33mUnited Airlines
Deal found 28/11$1,469
Mon 9/313:24AUS - SYD
2 stops26h 01mDelta
Wed 18/309:40SYD - AUS
2 stops23h 41mDelta
Deal found 28/11$1,475
Wed 8/408:00AUS - SYD
2 stops31h 35mDelta
Sun 19/409:25SYD - AUS
2 stops24h 10mDelta
Deal found 28/11$1,475
Wed 11/319:17AUS - SYD
1 stop20h 08mDelta
Tue 17/309:40SYD - AUS
2 stops23h 41mDelta
Deal found 28/11$1,475
Wed 15/412:30AUS - SYD
2 stops27h 05mDelta
Mon 27/409:25SYD - AUS
2 stops28h 23mDelta
Deal found 28/11$1,475
Last-minute flights from Austin to Sydney
Discover last-minute flight deals from Austin to Sydney. Data last updated 30 November 2025 and is based on user searches.
Sat 29/1114:28AUS - SYD
1 stop25h 32mQantas Airways
Sat 6/1211:20SYD - AUS
1 stop25h 03mQantas Airways
Deal found 28/11$1,416
Sat 29/1118:22AUS - SYD
2 stops21h 38mAmerican Airlines
Fri 12/1211:20SYD - AUS
1 stop28h 39mAmerican Airlines
Deal found 28/11$1,432
Sat 29/1114:28AUS - SYD
1 stop25h 32mQantas Airways
Fri 12/1217:45SYD - AUS
1 stop18h 38mQantas Airways
Deal found 28/11$1,446
Sat 29/1120:33AUS - SYD
1 stop19h 27mAmerican Airlines
Sat 6/1211:20SYD - AUS
2 stops21h 23mAmerican Airlines
Deal found 28/11$1,449
Sat 29/1119:43AUS - SYD
1 stop42h 17mUnited Airlines
Fri 12/1211:20SYD - AUS
1 stop19h 32mUnited Airlines
Deal found 28/11$1,492
Sun 30/1120:08AUS - SYD
1 stop19h 52mAmerican Airlines
Sun 7/1211:20SYD - AUS
1 stop25h 03mAmerican Airlines
Deal found 29/11$1,443
Tue 2/1214:22AUS - SYD
1 stop25h 38mQantas Airways
Thu 4/1217:45SYD - AUS
1 stop18h 38mQantas Airways
Deal found 28/11$1,396
Wed 10/1213:55AUS - SYD
1 stop24h 05mUnited Airlines
Mon 22/1214:00SYD - AUS
1 stop26h 59mUnited Airlines
Deal found 29/11$1,469
Wed 10/1210:15AUS - SYD
2 stops27h 05mUnited Airlines
Tue 16/1211:50SYD - AUS
1 stop18h 09mUnited Airlines
Deal found 29/11$1,477
Wed 10/1215:02AUS - SYD
2 stops46h 53mAir Canada
Sun 21/1211:20SYD - AUS
2 stops40h 43mAir Canada
Deal found 29/11$1,518
Thu 11/1215:02AUS - SYD
1 stop25h 13mUnited Airlines
Wed 17/1212:10SYD - AUS
1 stop21h 35mUnited Airlines
Deal found 29/11$1,503
One-way flights from Austin to Sydney
Search for one-way flight options from Austin to Sydney. Find affordable one-way fares based on user searches. Data last updated 30 November 2025.
Wed 18/312:08AUS - SYD
3 stops56h 27mMultiple Airlines
Deal found 29/11$764
Mon 16/319:52AUS - SYD
1 stop21h 08mQantas Airways
Deal found 29/11$784
Sat 24/114:52AUS - SYD
1 stop23h 33mQantas Airways
Deal found 29/11$787
Fri 13/319:52AUS - SYD
1 stop21h 08mQantas Airways
Deal found 29/11$789
Sat 6/1214:32AUS - SYD
1 stop25h 28mQantas Airways
Deal found 27/11$790
Mon 16/311:30AUS - SYD
3 stops53h 05mAir Canada
Deal found 29/11$796
Thu 25/1214:39AUS - SYD
1 stop25h 21mQantas Airways
Deal found 29/11$808
Sat 6/1216:53AUS - SYD
2 stops23h 07mAmerican Airlines
Deal found 27/11$810
Thu 25/1215:29AUS - SYD
2 stops24h 31mAmerican Airlines
Deal found 29/11$812
Thu 19/312:08AUS - SYD
3 stops56h 27mMultiple Airlines
Deal found 29/11$816
Tue 17/318:19AUS - SYD
2 stops22h 56mUnited Airlines
Deal found 28/11$822
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 30 November 2025.
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 30 November 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
Tue 19/5
08:30-07:20
1 stop31h 50m
Sydney Kingsford Smith
Tue 26/5
09:20-10:29
1 stop40h 09m
$1,309
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 25/1
18:25-07:25
1 stop20h 00m
Sydney Kingsford Smith
Fri 30/1
11:20-17:35
1 stop23h 15m
$1,445
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 1/3
18:40-08:30
1 stop20h 50m
Sydney Kingsford Smith
Sun 15/3
09:40-12:14
1 stop18h 34m
$1,469
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Wed 11/3
17:57-07:00
1 stop21h 03m
Sydney Kingsford Smith
Sun 15/3
14:00-16:52
1 stop18h 52m
$1,469
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 1/3
13:59-06:50
1 stop23h 51m
Sydney Kingsford Smith
Sun 8/3
10:40-14:38
1 stop20h 58m
$1,469
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 8/3
17:57-07:00
1 stop21h 03m
Sydney Kingsford Smith
Mon 16/3
10:20-15:43
1 stop21h 23m
$1,469
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Wed 11/3
19:17-07:25
1 stop20h 08m
Sydney Kingsford Smith
Wed 18/3
09:40-18:12
1 stop24h 32m
$1,469
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 8/3
17:58-06:20
1 stop20h 22m
Sydney Kingsford Smith
Tue 17/3
11:50-17:23
1 stop21h 33m
$1,469
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Mon 9/3
13:24-07:25
2 stops26h 01m
Sydney Kingsford Smith
Wed 18/3
09:40-17:21
2 stops23h 41m
$1,475
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Wed 8/4
08:00-06:35
2 stops31h 35m
Sydney Kingsford Smith
Sun 19/4
09:25-18:35
2 stops24h 10m
$1,475
Flights are sorted by cheapest return flights first.
Deals found on 29/11
Showing 1-10 of 22 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.
Cheapflights Insights
Everything you need to know about your flight from Austin to Sydney
Prices
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 21 November 2025.
To ensure you get the cheapest price possible for a flight from Austin to Sydney, you should look to book at least 72 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 $686). Flying from Austin to Sydney in December is currently the most expensive (average of $1,522). 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 30 November 2025.
It’s typically best to fly out from Austin to Sydney in the evening. Doing so could potentially save you 46% 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.
What’s the top stopover airport for flights from Austin to Sydney?
Share of one-stop return flights from Austin to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Houston (IAH) – chosen by Cheapflights users on 50% of one-stop itineraries from Austin to Sydney on Cheapflights.
What’s the cheapest stopover airport for flights from Austin to Sydney?
Average return fare for one-stop flights from Austin to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Houston (IAH) is the most affordable one-stop option, with an average return flight price of $1,492.
What’s the fastest stopover option from Austin to Sydney?
Shortest average travel time for one-stop one-way flights from Austin to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 19h 39m.
Which airport typically offers the quickest stopover for flights from Austin to Sydney?
Average stopover duration for one-stop one-way flights from Austin to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 46m.
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 Air Canada fly from Austin to Sydney in about 30h 20m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 13630 km.
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 $686). Flying from Austin to Sydney in December is currently the most expensive (average of $1,522). 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.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 November 2025.
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 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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