$507+ Cheap flights from Austin (AUS) to Sydney (SYD)
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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
Jul 27 — Aug 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
One-way
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 June 27, 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 June 27, 2026.
This Expedia deal was found by Cheapflights users on 6/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:00 am
AUS
- SYD
1 stop31h 20m
Air Canada
Sun 8/169:20 am
SYD
- AUS
1 stop35h 42m
Air Canada
Deal found 6/25![Air Canada logo]()
$1,117
This Air Canada deal was found by Cheapflights users on 6/25. 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 10/69:00 am
AUS
- SYD
1 stop31h 20m
Air Canada
Wed 10/1410:20 am
SYD
- AUS
1 stop35h 41m
Air Canada
Deal found 6/25![Air Canada logo]()
$1,121
This Air Canada deal was found by Cheapflights users on 6/26. 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.
Mon 8/109:00 am
AUS
- SYD
1 stop31h 20m
Air Canada
Mon 8/179:20 am
SYD
- AUS
1 stop35h 42m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,122
This Travelocity deal was found by Cheapflights users on 6/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:35 am
AUS
- SYD
2 stops30h 45m
Air Canada
Tue 8/119:20 am
SYD
- AUS
2 stops40h 56m
Air Canada
Deal found 6/22![Air Canada logo]()
$1,123
This Bravofly deal was found by Cheapflights users on 6/22. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:29 pm
AUS
- SYD
1 stop22h 56m
Qantas Airways
Thu 11/127:15 pm
SYD
- AUS
2 stops34h 49m
Qantas Airways
Deal found 6/22![Qantas Airways logo]()
$1,126
This Air Canada deal was found by Cheapflights users on 6/23. 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
AUS
- SYD
2 stops29h 55m
Air Canada
Wed 11/1811:20 am
SYD
- AUS
2 stops40h 51m
Air Canada
Deal found 6/23![Air Canada logo]()
$1,133
This Air Canada deal was found by Cheapflights users on 6/25. 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.
Mon 8/32:18 pm
AUS
- SYD
2 stops26h 02m
Multiple Airlines
Sun 8/169:20 am
SYD
- AUS
3 stops49h 52m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,138
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 June 27, 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 June 27, 2026.
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:04 pm
AUS
- SYD
2 stops21h 56m
United Airlines
Tue 8/49:30 am
SYD
- AUS
2 stops22h 57m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,179
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:25 am
AUS
- SYD
1 stop32h 25m
Delta
Sat 8/89:15 am
SYD
- AUS
1 stop27h 54m
Delta
Deal found 6/26![Delta logo]()
$1,279
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/52:10 pm
AUS
- SYD
1 stop25h 50m
United Airlines
Sun 8/99:30 am
SYD
- AUS
1 stop18h 59m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,179
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:01 pm
AUS
- SYD
1 stop19h 54m
United Airlines
Sun 8/910:20 am
SYD
- AUS
1 stop19h 19m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,179
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:08 pm
AUS
- SYD
2 stops21h 42m
Delta
Sat 8/89:15 am
SYD
- AUS
2 stops27h 16m
Delta
Deal found 6/26![Delta logo]()
$1,300
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:04 pm
AUS
- SYD
2 stops21h 56m
United Airlines
Fri 8/79:30 am
SYD
- AUS
2 stops20h 59m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,229
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:04 pm
AUS
- SYD
2 stops21h 56m
United Airlines
Thu 8/69:30 am
SYD
- AUS
2 stops20h 59m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,248
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:10 pm
AUS
- SYD
1 stop25h 50m
United Airlines
Thu 8/69:30 am
SYD
- AUS
1 stop18h 59m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,286
This United Airlines deal was found by Cheapflights users on 6/22. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:35 pm
AUS
- SYD
1 stop24h 20m
United Airlines
Thu 8/1310:20 am
SYD
- AUS
1 stop23h 12m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,288
Last-minute flights from Austin to SydneyDiscover last-minute flight deals from Austin to Sydney. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Sydney. Data last updated June 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:01 pm
AUS
- SYD
1 stop19h 54m
United Airlines
Wed 8/510:20 am
SYD
- AUS
1 stop26h 33m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,186
This United Airlines deal was found by Cheapflights users on 6/24. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/282:10 pm
AUS
- SYD
1 stop25h 50m
United Airlines
Mon 8/310:20 am
SYD
- AUS
1 stop28h 53m
United Airlines
Deal found 6/24![United Airlines logo]()
$1,187
This United Airlines deal was found by Cheapflights users on 6/22. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/282:10 pm
AUS
- SYD
1 stop25h 50m
United Airlines
Mon 7/1310:20 am
SYD
- AUS
1 stop19h 19m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,188
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:10 pm
AUS
- SYD
1 stop25h 50m
United Airlines
Sun 8/910:20 am
SYD
- AUS
1 stop19h 19m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,179
This Air Canada deal was found by Cheapflights users on 6/26. 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.
Wed 7/111:40 am
AUS
- SYD
2 stops52h 40m
Air Canada
Wed 8/59:20 am
SYD
- AUS
1 stop35h 42m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,185
This Air Canada deal was found by Cheapflights users on 6/26. 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.
Fri 7/310:25 am
AUS
- SYD
2 stops29h 55m
Air Canada
Wed 8/59:20 am
SYD
- AUS
1 stop35h 42m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,182
This Expedia deal was found by Cheapflights users on 6/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:44 pm
AUS
- SYD
2 stops44h 36m
Air Canada
Tue 8/119:20 am
SYD
- AUS
2 stops28h 45m
Air Canada
Deal found 6/24![Air Canada logo]()
$1,152
This United Airlines deal was found by Cheapflights users on 6/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:10 pm
AUS
- SYD
2 stops23h 45m
United Airlines
Tue 8/49:30 am
SYD
- AUS
1 stop18h 59m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,190
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:49 pm
AUS
- SYD
1 stop20h 06m
American Airlines
Tue 7/289:10 am
SYD
- AUS
2 stops22h 11m
American Airlines
Deal found 6/23![American Airlines logo]()
$1,175
One-way flights from Austin to SydneySearch for one-way flight options from Austin to Sydney. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from Austin to Sydney. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:12 pm
AUS
- SYD
3 stops48h 38m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:50 am
AUS
- SYD
3 stops34h 00m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
AUS
- SYD
2 stops37h 50m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$584
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:15 pm
AUS
- SYD
2 stops22h 10m
American Airlines
Deal found 6/23![American Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 6/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:35 pm
AUS
- SYD
1 stop24h 20m
United Airlines
Deal found 6/25![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 6/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
AUS
- SYD
1 stop34h 00m
United Airlines
Deal found 6/25![United Airlines logo]()
$640
This United Airlines deal was found by Cheapflights users on 6/25. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:44 pm
AUS
- SYD
2 stops44h 11m
United Airlines
Deal found 6/25![United Airlines logo]()
$647
This oojo deal was found by Cheapflights users on 6/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:13 pm
AUS
- SYD
1 stop24h 52m
Qantas Airways
Deal found 6/23![Qantas Airways logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:15 pm
AUS
- SYD
2 stops44h 15m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$681
This Justfly.com deal was found by Cheapflights users on 6/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:13 pm
AUS
- SYD
1 stop25h 17m
Qantas Airways
Deal found 6/23![Qantas Airways logo]()
$683
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 (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 June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,117 (Expedia) |
One-way from | $507 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $1,269 |
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 2,558,603 searches. Data last updated June 27, 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
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Wed 7/1
6:04 pm-7:00 am
2 stops21h 56m
Sydney Kingsford Smith
Tue 8/4
9:30 am-5:27 pm
2 stops22h 57m
$1,179
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 7/5
2:10 pm-7:00 am
1 stop25h 50m
Sydney Kingsford Smith
Sun 8/9
9:30 am-1:29 pm
1 stop18h 59m
$1,179
Quickest round-trip
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Tue 6/30
8:01 pm-6:55 am
1 stop19h 54m
Sydney Kingsford Smith
Sun 8/9
10:20 am-2:39 pm
1 stop19h 19m
$1,179
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Wed 7/1
6:04 pm-7:00 am
2 stops21h 56m
Sydney Kingsford Smith
Fri 8/7
9:30 am-3:29 pm
2 stops20h 59m
$1,229
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Tue 6/30
6:04 pm-7:00 am
2 stops21h 56m
Sydney Kingsford Smith
Thu 8/6
9:30 am-3:29 pm
2 stops20h 59m
$1,248
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sat 7/4
7:25 am-6:50 am
1 stop32h 25m
Sydney Kingsford Smith
Sat 8/8
9:15 am-10:09 pm
1 stop27h 54m
$1,279
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Thu 7/2
2:10 pm-7:00 am
1 stop25h 50m
Sydney Kingsford Smith
Thu 8/6
9:30 am-1:29 pm
1 stop18h 59m
$1,286
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Thu 8/6
3:35 pm-6:55 am
1 stop24h 20m
Sydney Kingsford Smith
Thu 8/13
10:20 am-6:32 pm
1 stop23h 12m
$1,288
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Fri 7/3
6:08 pm-6:50 am
2 stops21h 42m
Sydney Kingsford Smith
Sat 8/8
9:15 am-9:31 pm
2 stops27h 16m
$1,300
Cheapest one-way
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Wed 9/23
7:00 am-11:50 am
2 stops37h 50m
$584
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Austin to Sydney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Sydney in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Austin-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Austin-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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-SYD
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.
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?
The price you pay for your flight from Austin to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Austin to Sydney?
Currently, January is the cheapest month in which you can book a flight from Austin to Sydney (average of $989). Flying from Austin to Sydney in July is currently the most expensive (average of $1,604). 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 to fly round-trip from Austin to Sydney?
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 June 27, 2026.
See what other customers who have flown with Air New Zealand,Delta, andQantas Airways from Austin to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.9
Food
7.4
Entertainment
7.4
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Crew
8.5
Comfort
7.9
Food
7.4
Entertainment
7.4
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Crew
8.5
Comfort
7.9
Food
7.4
Entertainment
7.4
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Crew
8.5
Comfort
7.9
Food
7.4
Entertainment
7.4
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Crew
8.5
Comfort
7.9
Food
7.4
Entertainment
7.4
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Crew
8.5
Comfort
7.9
Food
7.4
Entertainment
7.4
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Austin
Popular flights
Sydney flight routes
Alternative routes for Austin to Sydney
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sydney by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Sydney by cabin class
Find flights from Austin to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Sydney flights
Browse other Austin and Sydney flight options. Last updated on June 27, 2026.
Other flights from Austin
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on June 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 27, 2026.
Top 6 airlines flying from Austin to Sydney
Discover the top 6 airlines that operate flights from Austin to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$1,342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$704 | Average$1,346 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$932 | Average$1,331 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$945 | Average$1,321 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$947 | Average$1,265 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$976 | Average$1,614 | FlexibilityNo cancel fee | On-time78% |