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Cheap flights from Austin to Adelaide from $918

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — ADL
10 Feb — 17 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 11 January 2026.

Round-trip from

$1,897

One-way from

$918

Popular in

April

Cheapest in

March
Qantas Airways
  • Qantas Airways
  • 13/3-7/4
  • 4 total stops
  • 54h 03m total
  • Austin to Adelaide
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23/2
  • 23/2
  • 3 total stops
  • 33h 38m total
  • Austin to Adelaide
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($131 potential savings vs. average return price).
Search Deals

Find 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 11 January 2026.

Fri 13/319:57AUS - ADL
2 stops30h 58mQantas Airways
Tue 7/406:00ADL - AUS
2 stops23h 05mQantas Airways
Deal found 11/1$1,897
Sun 8/213:05AUS - ADL
3 stops37h 35mAir Canada
Thu 12/206:00ADL - AUS
3 stops46h 49mAir Canada
Deal found 10/1$2,028
Fri 13/313:05AUS - ADL
3 stops35h 35mMultiple Airlines
Tue 7/421:20ADL - AUS
3 stops34h 04mMultiple Airlines
Deal found 11/1$2,143
Sun 8/218:25AUS - ADL
2 stops28h 50mQantas Airways
Thu 12/221:25ADL - AUS
2 stops32h 09mQantas Airways
Deal found 10/1$2,740
Sun 8/217:58AUS - ADL
2 stops27h 42mUnited Airlines
Thu 12/207:15ADL - AUS
3 stops32h 00mUnited Airlines
Deal found 10/1$3,637
Fri 13/316:54AUS - ADL
3 stops29h 31mAir Canada
Tue 7/421:20ADL - AUS
3 stops34h 04mAir Canada
Deal found 11/1$17,404

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 11 January 2026.
Use the filters below to find and compare flights from Austin to Adelaide that are best for you.

Fly from

Austin

Fly to

Adelaide

Route

Depart

Return

Price

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Fri 13/3

19:57-18:25

2 stops30h 58m

Adelaide

Tue 7/4

06:00-14:35

2 stops23h 05m

$1,897

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Fri 13/3

13:05-16:10

3 stops35h 35m

Adelaide

Tue 7/4

21:20-16:54

3 stops34h 04m

$2,143

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Sun 8/2

18:25-16:50

2 stops29h 55m

Adelaide

Thu 12/2

21:25-13:04

2 stops32h 09m

$2,740

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Sun 8/2

13:58-14:10

2 stops31h 42m

Adelaide

Thu 12/2

07:15-22:45

3 stops32h 00m

$3,638

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Mon 23/2

11:22-13:30

3 stops33h 38m

$918

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Thu 19/2

11:32-19:00

3 stops38h 58m

$963

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Tue 17/2

08:30-21:55

3 stops44h 55m

$975

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Wed 18/2

08:30-10:10

3 stops57h 10m

$992

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Fri 20/2

14:19-13:00

2 stops30h 11m

$1,066

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

Sat 21/2

15:57-10:10

3 stops49h 43m

$1,090

Flights are sorted by cheapest return flights first.

Deals found on 10/1

Showing 1-10 of 15 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Austin to Adelaide

What is the cheapest time of day to fly from AUS to ADL?

Find hourly flight availability from Austin to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 January 2026.

A simple way to save on the total cost of your ticket is to fly from Austin to Adelaide in the evening. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the afternoon.

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 30h 58m. Your travel time can differ by up to 44m. 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Austin to Adelaide?

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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