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$1,394+ Cheap flights from Austin (AUS) to Adelaide (ADL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — ADL
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Austin to Adelaide

Best flights from Austin to Adelaide
Discover carefully curated flight deals from Austin to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

This Qantas Airways deal was found by Cheapflights users on 12/9. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/202:45 pmAUS - ADL
2 stops36h 00mQantas Airways
mar. 2/246:25 amADL - AUS
2 stops33h 22mQantas Airways
Deal found 12/9$1,394
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/111:59 pmAUS - ADL
2 stops29h 31mUnited Airlines
jue. 3/196:10 amADL - AUS
2 stops26h 12mUnited Airlines
Deal found 12/10$6,557
This Qantas Airways deal was found by Cheapflights users on 12/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/114:24 pmAUS - ADL
2 stops25h 31mMultiple Airlines
jue. 3/196:35 amADL - AUS
3 stops24h 29mMultiple Airlines
Deal found 12/10$11,302
This Orbitz deal was found by Cheapflights users on 12/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/111:05 pmAUS - ADL
3 stops37h 35mAir Canada
jue. 3/196:00 amADL - AUS
3 stops45h 49mAir Canada
Deal found 12/10$15,285

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$1,291
(oojo)

Popular in

April

Cheapest in

March

Average price

$1,540
Provider with most accurate pricing for Austin Bergstrom-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Adelaide flights.
Search Deals
From Austin Bergstrom to Adelaide
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated diciembre 12, 2025.
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

vie. 2/20

2:45 pm-7:15 pm

2 stops36h 00m

Adelaide

mar. 2/24

6:25 am-11:17 pm

2 stops33h 22m

$1,394

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

mié. 3/11

1:59 pm-11:00 am

2 stops29h 31m

Adelaide

jue. 3/19

6:10 am-4:52 pm

2 stops26h 12m

$6,557

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

mié. 3/11

4:24 pm-9:25 am

2 stops25h 31m

Adelaide

jue. 3/19

6:35 am-3:34 pm

3 stops24h 29m

$11,302

AustinAdelaide

AUS - ADL

AUSADL

Austin Bergstrom

mié. 3/11

1:05 pm-6:10 pm

3 stops37h 35m

Adelaide

jue. 3/19

6:00 am-12:19 pm

3 stops45h 49m

$15,285

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Austin to Adelaide

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 Adelaide in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Adelaide flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Adelaide flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Adelaide flights, Cheapflights users trust Gurufare the most. Gurufare 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-Adelaide 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 Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Austin with our price prediction graph.
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 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 diciembre 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 85% on flights from Austin to Adelaide by exploring options for tickets at noon.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated diciembre 12, 2025.
Read reviews from past customers who have flown Qantas Airways and United Airlines from Austin to Adelaide. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Crew

8.1

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
947 reviews
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Crew

8.1

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
9,095 reviews
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Crew

8.1

Overall

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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?

    A quick flight from Austin to Adelaide can take about 29h 31m. Qantas Airways provides one of the quickest options available for as low as $6,557. There are 9184 mi between Austin and Adelaide. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Austin to Adelaide round-trip?

    Currently priced at $1,269, United Airlines will fly you from Austin to Adelaide and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qantas Airways for as low as $1,481. United Airlines is 16% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 vacation 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

Traveling to a place near Adelaide?

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

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Top 2 airlines flying from Austin to Adelaide

Discover the top 2 airlines that operate flights from Austin to Adelaide. 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,269Average$1,540FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,481Average$1,626FlexibilityNo cancel feeOn-time74%

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