$656+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SYD
Jun 10 — Jun 171
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Sydney with Cheapflights
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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
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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 May 11, 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 May 11, 2026.
This FlightHub deal was found by Cheapflights users on 5/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:44 pm
AUS
- SYD
1 stop26h 21m
Qantas Airways
Fri 10/307:05 am
SYD
- AUS
2 stops22h 33m
Qantas Airways
Deal found 5/8![Qantas Airways logo]()
$1,009
This FlightHub deal was found by Cheapflights users on 5/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:29 pm
AUS
- SYD
1 stop25h 31m
Qantas Airways
Thu 2/257:15 pm
SYD
- AUS
2 stops35h 35m
Qantas Airways
Deal found 5/10![Qantas Airways logo]()
$1,029
This Bravofly deal was found by Cheapflights users on 5/8. 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.
Sun 11/12:29 pm
AUS
- SYD
1 stop25h 31m
Qantas Airways
Sat 11/147:15 pm
SYD
- AUS
2 stops33h 00m
Qantas Airways
Deal found 5/8![Qantas Airways logo]()
$1,031
This Ovago deal was found by Cheapflights users on 5/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:44 pm
AUS
- SYD
1 stop26h 21m
Qantas Airways
Fri 10/307:05 am
SYD
- AUS
2 stops23h 45m
Qantas Airways
Deal found 5/8![Qantas Airways logo]()
$1,037
This Priceline deal was found by Cheapflights users on 5/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:29 pm
AUS
- SYD
1 stop25h 31m
Qantas Airways
Wed 12/27:15 pm
SYD
- AUS
2 stops34h 46m
Qantas Airways
Deal found 5/10![Qantas Airways logo]()
$1,057
This Expedia deal was found by Cheapflights users on 5/8. 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 5/118:50 am
AUS
- SYD
1 stop31h 30m
Air Canada
Wed 5/279:20 am
SYD
- AUS
1 stop25h 57m
Air Canada
Deal found 5/8![Air Canada logo]()
$1,125
This Air Canada deal was found by Cheapflights users on 5/6. 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.
Sun 6/1410:25 am
AUS
- SYD
2 stops29h 55m
Air Canada
Sun 7/59:20 am
SYD
- AUS
1 stop25h 57m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,128
This Air Canada deal was found by Cheapflights users on 5/6. 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.
Sun 6/1410:25 am
AUS
- SYD
2 stops29h 55m
Air Canada
Sun 7/269:20 am
SYD
- AUS
2 stops49h 52m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,132
This Air Canada deal was found by Cheapflights users on 5/6. 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 6/18:50 am
AUS
- SYD
1 stop31h 30m
Air Canada
Sun 6/79:20 am
SYD
- AUS
3 stops49h 55m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,137
This Air Canada deal was found by Cheapflights users on 5/8. 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.
Sun 11/11:10 pm
AUS
- SYD
2 stops51h 25m
Air Canada
Wed 11/1111:20 am
SYD
- AUS
2 stops41h 59m
Air Canada
Deal found 5/8![Air Canada logo]()
$1,142
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 May 11, 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 May 11, 2026.
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/196:04 pm
AUS
- SYD
2 stops21h 56m
United Airlines
Mon 6/810:20 am
SYD
- AUS
1 stop23h 45m
United Airlines
Deal found 5/9![United Airlines logo]()
$1,161
This Delta deal was found by Cheapflights users on 5/6. 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.
Wed 6/31:21 pm
AUS
- SYD
1 stop26h 29m
Delta
Sat 8/19:15 am
SYD
- AUS
2 stops27h 15m
Delta
Deal found 5/6![Delta logo]()
$1,215
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 6/68:59 pm
AUS
- SYD
1 stop19h 06m
American Airlines
Sat 6/139:10 am
SYD
- AUS
1 stop27h 27m
American Airlines
Deal found 5/9![American Airlines logo]()
$1,257
This United Airlines deal was found by Cheapflights users on 5/7. 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 5/196:04 pm
AUS
- SYD
2 stops21h 56m
United Airlines
Fri 5/2910:20 am
SYD
- AUS
2 stops21h 42m
United Airlines
Deal found 5/7![United Airlines logo]()
$1,215
This United Airlines deal was found by Cheapflights users on 5/7. 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 8/24:10 pm
AUS
- SYD
2 stops23h 50m
United Airlines
Thu 8/209:30 am
SYD
- AUS
2 stops22h 28m
United Airlines
Deal found 5/7![United Airlines logo]()
$1,215
This Delta deal was found by Cheapflights users on 5/6. 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.
Mon 6/17:50 pm
AUS
- SYD
1 stop20h 00m
Delta
Sun 6/79:15 am
SYD
- AUS
1 stop26h 40m
Delta
Deal found 5/6![Delta logo]()
$1,547
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 5/211:21 pm
AUS
- SYD
1 stop26h 29m
Delta
Sun 5/249:15 am
SYD
- AUS
1 stop18h 10m
Delta
Deal found 5/7![Delta logo]()
$1,602
This United Airlines deal was found by Cheapflights users on 5/8. 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 7/122:18 pm
AUS
- SYD
2 stops25h 42m
United Airlines
Sun 7/269:30 am
SYD
- AUS
1 stop18h 59m
United Airlines
Deal found 5/8![United Airlines logo]()
$1,621
This Delta deal was found by Cheapflights users on 5/8. 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 7/181:40 pm
AUS
- SYD
1 stop26h 10m
Delta
Sat 7/259:15 am
SYD
- AUS
1 stop18h 23m
Delta
Deal found 5/8![Delta logo]()
$2,033
Last-minute flights from Austin to SydneyDiscover last-minute flight deals from Austin to Sydney. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Sydney. Data last updated May 11, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/8. 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 5/118:50 am
AUS
- SYD
1 stop31h 30m
Air Canada
Wed 5/279:20 am
SYD
- AUS
1 stop25h 57m
Air Canada
Deal found 5/8![Air Canada logo]()
$1,125
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Mon 5/117:37 pm
AUS
- SYD
1 stop20h 53m
American Airlines
Wed 5/279:10 am
SYD
- AUS
2 stops22h 12m
American Airlines
Deal found 5/8![American Airlines logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/116:00 pm
AUS
- SYD
2 stops22h 00m
United Airlines
Wed 5/279:30 am
SYD
- AUS
2 stops24h 18m
United Airlines
Deal found 5/8![United Airlines logo]()
$1,152
This American Airlines deal was found by Cheapflights users on 5/10. 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 5/193:05 pm
AUS
- SYD
1 stop25h 25m
American Airlines
Mon 6/89:10 am
SYD
- AUS
1 stop27h 27m
American Airlines
Deal found 5/10![American Airlines logo]()
$1,157
This Air Canada deal was found by Cheapflights users on 5/6. 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 6/18:50 am
AUS
- SYD
1 stop31h 30m
Air Canada
Sun 6/79:20 am
SYD
- AUS
3 stops49h 55m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,137
This Air Canada deal was found by Cheapflights users on 5/6. 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.
Sun 6/1410:25 am
AUS
- SYD
2 stops29h 55m
Air Canada
Sun 7/59:20 am
SYD
- AUS
1 stop25h 57m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,128
This Air Canada deal was found by Cheapflights users on 5/6. 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.
Sun 6/1410:25 am
AUS
- SYD
2 stops29h 55m
Air Canada
Sun 7/269:20 am
SYD
- AUS
2 stops49h 52m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,132
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 6/148:59 pm
AUS
- SYD
1 stop19h 06m
American Airlines
Sun 7/2612:00 pm
SYD
- AUS
1 stop22h 16m
American Airlines
Deal found 5/6![American Airlines logo]()
$1,156
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 May 11, 2026.
Search for one-way flight options from Austin to Sydney. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/210:52 pm
AUS
- SYD
2 stops41h 38m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$656
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 5/174:55 pm
AUS
- SYD
2 stops23h 35m
American Airlines
Deal found 5/6![American Airlines logo]()
$661
This Jetabroad deal was found by Cheapflights users on 5/10. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:53 pm
AUS
- SYD
2 stops38h 32m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$662
This American Airlines deal was found by Cheapflights users on 5/9. 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 6/96:49 pm
AUS
- SYD
2 stops21h 16m
American Airlines
Deal found 5/9![American Airlines logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 6/198:15 pm
AUS
- SYD
2 stops44h 15m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$666
This United Airlines deal was found by Cheapflights users on 5/7. 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 6/88:01 pm
AUS
- SYD
1 stop19h 54m
United Airlines
Deal found 5/7![United Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/72:18 pm
AUS
- SYD
2 stops25h 37m
United Airlines
Deal found 5/9![United Airlines logo]()
$668
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/69:13 pm
AUS
- SYD
2 stops43h 17m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$671
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Fri 6/128:15 pm
AUS
- SYD
2 stops44h 15m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Thu 8/68:15 pm
AUS
- SYD
2 stops44h 15m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Fri 6/510:52 pm
AUS
- SYD
2 stops41h 38m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$678
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Fri 8/76:30 am
AUS
- SYD
2 stops34h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$679
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 May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,009 (FlightHub) |
One-way from | $656 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,390 |
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 May 11, 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
Tue 5/19
6:04 pm-7:00 am
2 stops21h 56m
Sydney Kingsford Smith
Mon 6/8
10:20 am-7:05 pm
1 stop23h 45m
$1,161
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Wed 6/3
1:21 pm-6:50 am
1 stop26h 29m
Sydney Kingsford Smith
Sat 8/1
9:15 am-9:30 pm
2 stops27h 15m
$1,215
Quickest round-trip
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Tue 5/19
6:04 pm-7:00 am
2 stops21h 56m
Sydney Kingsford Smith
Fri 5/29
10:20 am-5:02 pm
2 stops21h 42m
$1,215
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 8/2
4:10 pm-7:00 am
2 stops23h 50m
Sydney Kingsford Smith
Thu 8/20
9:30 am-4:58 pm
2 stops22h 28m
$1,215
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sat 6/6
8:59 pm-7:05 am
1 stop19h 06m
Sydney Kingsford Smith
Sat 6/13
9:10 am-9:37 pm
1 stop27h 27m
$1,257
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Mon 6/1
7:50 pm-6:50 am
1 stop20h 00m
Sydney Kingsford Smith
Sun 6/7
9:15 am-8:55 pm
1 stop26h 40m
$1,547
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Thu 5/21
1:21 pm-6:50 am
1 stop26h 29m
Sydney Kingsford Smith
Sun 5/24
9:15 am-12:25 pm
1 stop18h 10m
$1,602
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 7/12
2:18 pm-7:00 am
2 stops25h 42m
Sydney Kingsford Smith
Sun 7/26
9:30 am-1:29 pm
1 stop18h 59m
$1,621
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sat 7/18
1:40 pm-6:50 am
1 stop26h 10m
Sydney Kingsford Smith
Sat 7/25
9:15 am-12:38 pm
1 stop18h 23m
$2,033
Cheapest one-way
AustinSydney
AUS - SYD
AUSSYD
Austin Bergstrom
Sun 5/17
4:55 pm-7:30 am
2 stops23h 35m
$661
Showing 1-10 of 19 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 May.
| 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 71 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, August is the cheapest month in which you can book a flight from Austin to Sydney (average of $988). Flying from Austin to Sydney in December is currently the most expensive (average of $1,525). 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 May 11, 2026.
See what other customers who have flown with Fiji Airways,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.
Entertainment
7.5
Overall
8.1
Food
7.5
Boarding
8.2
Comfort
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Entertainment
7.5
Overall
8.1
Food
7.5
Boarding
8.2
Comfort
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Entertainment
7.5
Overall
8.1
Food
7.5
Boarding
8.2
Comfort
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Entertainment
7.5
Overall
8.1
Food
7.5
Boarding
8.2
Comfort
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Entertainment
7.5
Overall
8.1
Food
7.5
Boarding
8.2
Comfort
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
Entertainment
7.5
Overall
8.1
Food
7.5
Boarding
8.2
Comfort
8.1
Crew
8.6
Reviews
1 / 19
8.0
ExcellentPaul,Mar 2026
YVR - NAN
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
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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 May 11, 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 May 11, 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 May 11, 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 May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$1,390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$717 | Average$1,118 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$912 | Average$1,672 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$932 | Average$1,307 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$944 | Average$1,260 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$945 | Average$1,380 | FlexibilityNo cancel fee | On-time71% |