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Cheap flights from Austin to Adelaide from $2,026

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — ADL
26 Jun — 3 Jul1
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 27 May 2026.

Fri 16/1019:50
AUS
-
ADL
2 stops53h 30m
Qatar Airways
Wed 28/1022:00
ADL
-
AUS
2 stops37h 35m
Qatar Airways
Deal found 24/5$2,026
Fri 16/1011:35
AUS
-
ADL
3 stops35h 15m
Multiple Airlines
Wed 28/1019:40
ADL
-
AUS
3 stops56h 09m
Multiple Airlines
Deal found 24/5$3,232
Fri 16/1020:53
AUS
-
ADL
2 stops25h 17m
Qantas Airways
Wed 28/1018:30
ADL
-
AUS
2 stops33h 54m
Qantas Airways
Deal found 24/5$4,814
Fri 16/1007:40
AUS
-
ADL
3 stops42h 10m
Singapore Airlines
Wed 28/1010:15
ADL
-
AUS
2 stops44h 56m
Singapore Airlines
Deal found 24/5$5,005
Wed 10/616:55
AUS
-
ADL
2 stops30h 10m
Qantas Airways
Wed 9/910:10
ADL
-
AUS
2 stops22h 38m
Qantas Airways
Deal found 27/5$7,779
Wed 10/617:52
AUS
-
ADL
2 stops23h 38m
Multiple Airlines
Wed 9/907:50
ADL
-
AUS
2 stops24h 58m
Multiple Airlines
Deal found 26/5$8,457
Fri 12/620:59
AUS
-
ADL
2 stops46h 51m
Qantas Airways
Sun 13/906:00
ADL
-
AUS
2 stops22h 53m
Qantas Airways
Deal found 27/5$9,483
Fri 12/620:20
AUS
-
ADL
2 stops45h 10m
Multiple Airlines
Sun 13/919:10
ADL
-
AUS
2 stops33h 58m
Multiple Airlines
Deal found 26/5$11,027

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 27 May 2026.

Round-trip from

$2,026
Qatar Airways
  • Qatar Airways
  • 16/10-28/10
  • 4 total stops
  • 91h 05m 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 27 May 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

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Fri 16/10

07:40-17:20

3 stops42h 10m

Adelaide

Wed 28/10

10:15-15:41

2 stops44h 56m

$5,005

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Wed 10/6

16:55-13:35

2 stops30h 10m

Adelaide

Wed 9/9

10:10-18:18

2 stops22h 38m

$7,779
Fastest return journey

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Wed 10/6

20:59-11:55

2 stops24h 26m

Adelaide

Wed 9/9

06:00-18:18

3 stops26h 48m

$10,501

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Fri 12/6

07:06-17:45

3 stops44h 09m

Adelaide

Sun 13/9

19:45-22:36

3 stops41h 21m

$14,528

Flights are sorted by cheapest return flights first.

Deals found on 24/5

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?

    Singapore Airlines and Qantas Airways can get you from Austin to Adelaide in just under 30h 10m. Your travel time can differ by up to 12h. 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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