$832+ Cheap flights from Austin (AUS) to Sydney, NS (YQY)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — YQY
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Sydney
Cheapest
Best
Last-minute
Cheapest flights from Austin to SydneyExplore 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 September 16, 2026.
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 September 16, 2026.
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:25 am -
2 stops12h 20m
Fri 10/235:20 pm -
2 stops19h 28m
Deal found 9/14![Air Canada logo]()
$832
This United deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:50 am -
2 stops15h 55m
Thu 10/225:05 am -
2 stops16h 50m
Deal found 9/15![Multiple Airlines logo]()
$879
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:40 am -
1 stop11h 05m
Thu 10/225:05 am -
1 stop7h 43m
Deal found 9/15![Air Canada logo]()
$1,538
Best flights from Austin to SydneyDiscover carefully curated flight deals from Austin to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Austin to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:25 am -
2 stops12h 20m
Fri 10/235:20 pm -
2 stops19h 28m
Deal found 9/14![Air Canada logo]()
$832
This United deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:50 am -
2 stops15h 55m
Thu 10/225:05 am -
2 stops16h 50m
Deal found 9/15![Multiple Airlines logo]()
$879
Last-minute flights from Austin to SydneyDiscover last-minute flight deals from Austin to Sydney. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Sydney. Data last updated September 16, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:50 am -
2 stops15h 55m
Thu 10/225:05 am -
2 stops16h 50m
Deal found 9/15![Multiple Airlines logo]()
$879
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:40 am -
1 stop11h 05m
Thu 10/225:05 am -
1 stop7h 43m
Deal found 9/15![Air Canada logo]()
$1,538
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:25 am -
2 stops12h 20m
Fri 10/235:20 pm -
2 stops19h 28m
Deal found 9/14![Air Canada logo]()
$832
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 (YQY). 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 September 16, 2026.
Round-trip from | $811 (Air Canada) |
|---|
Cheapflights Fare Finder
Customize 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 7,457,451 searches. Data last updated September 16, 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
Cheapest round-trip
Quickest round-trip
AustinSydney
AUS Austin Bergstrom - YQY Sydney
AUSYQY
Austin Bergstrom
Tue 10/20
10:25 am-12:45 am
2 stops12h 20m
Sydney
Fri 10/23
5:20 pm-10:48 am
2 stops19h 28m
$832
AustinSydney
AUS Austin Bergstrom - YQY Sydney
AUSYQY
Austin Bergstrom
Thu 10/15
6:50 am-12:45 am
2 stops15h 55m
Sydney
Thu 10/22
5:05 am-7:55 pm
2 stops16h 50m
$879
Sorted by cheapest first
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.
AUS-YQY
Estimated round-trip 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.
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.
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