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Cheap flights from Austin to Adelaide from $1,928

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — ADL
7 Aug — 14 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Austin to Adelaide

Enter your travel dates to find the best prices.

Cheapest flights from Austin to Adelaide
Explore the most affordable flight options available from Austin to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2026.

Tue 18/817:41
AUS
-
ADL
2 stops27h 44m
Qantas Airways
Tue 25/806:00
ADL
-
AUS
2 stops22h 49m
Qantas Airways
Deal found 4/7$1,928
Tue 11/817:41
AUS
-
ADL
2 stops26h 54m
Qantas Airways
Wed 19/807:50
ADL
-
AUS
2 stops25h 51m
Qantas Airways
Deal found 7/7$1,962
Wed 19/813:39
AUS
-
ADL
2 stops30h 56m
United Airlines
Wed 26/806:05
ADL
-
AUS
2 stops24h 14m
United Airlines
Deal found 5/7$1,968
Mon 10/820:01
AUS
-
ADL
2 stops24h 39m
United Airlines
Tue 18/806:05
ADL
-
AUS
2 stops24h 58m
United Airlines
Deal found 7/7$1,981
Mon 10/820:01
AUS
-
ADL
2 stops24h 39m
United Airlines
Sat 22/816:30
ADL
-
AUS
2 stops38h 33m
United Airlines
Deal found 7/7$1,982
Sun 9/815:35
AUS
-
ADL
2 stops31h 40m
United Airlines
Sun 16/806:05
ADL
-
AUS
2 stops32h 24m
United Airlines
Deal found 7/7$1,985
Tue 11/817:50
AUS
-
ADL
2 stops26h 45m
United Airlines
Mon 17/820:00
ADL
-
AUS
2 stops32h 42m
United Airlines
Deal found 7/7$1,987
Tue 18/814:56
AUS
-
ADL
2 stops30h 29m
Multiple Airlines
Tue 25/806:00
ADL
-
AUS
2 stops22h 49m
Multiple Airlines
Deal found 4/7$2,026
Mon 10/820:01
AUS
-
ADL
2 stops24h 39m
United Airlines
Thu 20/806:05
ADL
-
AUS
2 stops26h 57m
United Airlines
Deal found 7/7$2,053
Sat 8/815:24
AUS
-
ADL
2 stops29h 11m
United Airlines
Mon 17/807:15
ADL
-
AUS
2 stops31h 14m
United Airlines
Deal found 7/7$2,057
Sat 8/815:24
AUS
-
ADL
2 stops29h 11m
United Airlines
Sat 22/816:30
ADL
-
AUS
2 stops38h 33m
United Airlines
Deal found 7/7$2,059

Find flight deals from Austin to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Adelaide (ADL). 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 8 July 2026.

Round-trip from

$1,928
Qantas Airways
  • Qantas Airways
  • 18/8-25/8
  • 4 total stops
  • 50h 33m total
  • Austin to Adelaide
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Austin to Adelaide 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 8 July 2026.
Use the filters below to find and compare flights from Austin to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Tue 18/8

17:41-11:55

2 stops27h 44m

Adelaide

Tue 25/8

06:00-14:19

2 stops22h 49m

$1,928

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Mon 10/8

15:35-11:10

2 stops29h 05m

Adelaide

Wed 19/8

06:05-21:59

2 stops30h 24m

$1,981

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Tue 18/8

14:56-11:55

2 stops30h 29m

Adelaide

Tue 25/8

06:00-14:19

2 stops22h 49m

$2,026

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Sat 8/8

15:24-11:05

2 stops29h 11m

Adelaide

Mon 17/8

07:15-23:59

2 stops31h 14m

$2,057

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Sat 8/8

15:24-11:05

2 stops29h 11m

Adelaide

Sat 22/8

16:30-16:33

2 stops38h 33m

$2,059

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Wed 19/8

17:41-09:25

2 stops25h 14m

Adelaide

Wed 26/8

06:00-17:01

3 stops25h 31m

$2,249

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Tue 11/8

14:56-11:05

2 stops29h 39m

Adelaide

Wed 19/8

06:00-17:01

3 stops25h 31m

$2,261

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Thu 13/8

19:50-15:00

2 stops52h 40m

Adelaide

Tue 18/8

22:00-14:47

2 stops55h 17m

$2,551

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Wed 12/8

17:41-15:00

2 stops54h 49m

Adelaide

Sun 16/8

22:00-13:40

2 stops54h 10m

$2,609

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Sorted by cheapest first

Best time to book a flight from Austin to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide 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.

Related info for your journey

Find useful and relevant information for your journey from Austin to Adelaide. 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 Adelaide?

    Qantas Airways and United Airlines can get you from Austin to Adelaide in just under 27h 44m. Your travel time can differ by up to 1h 21m. The distance between Austin and Adelaide is about 14780 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Austin to Adelaide that include hotel bookings?

    Yes. In addition to deals on Austin to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Austin to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Adelaide.

  • Can I find deals for business class flights from Austin to Adelaide?

    Yes. Cheapflights offers flight deals from Austin to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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Deals for Austin to Adelaide flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Austin to Adelaide?

Cheapflights helps you find that perfect flight to Adelaide from Austin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Austin to Adelaide with no change fees?

Yes! Cheapflights helps users easily find flights from Austin to Adelaide with no change fees.

Can Cheapflights notify me if prices for flights from Austin to Adelaide become cheaper?

Yes, Cheapflights offers price alerts on Austin to Adelaide 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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