$590 Cheap Flights from San Antonio (SAT) to Adelaide (ADL)

View $590 flight on Tue, Feb 3, 2026Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Adelaide, SA Airport (ADL)

Cheap Flights from San Antonio to Adelaide (SAT-ADL)

Prices were available within the past 7 days and start at $590 for one-way flights and $1,221 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,221 Roundtrip, found 23 hours ago
$1,221
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,221 found 23 hours ago
United
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,461 Roundtrip, found 23 hours ago
$1,461
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,461 found 23 hours ago
United
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,493 Roundtrip, found 23 hours ago
$1,493
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,493 found 23 hours ago
United
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,562 Roundtrip, found 23 hours ago
$1,562
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,562 found 23 hours ago
United
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,593 Roundtrip, found 23 hours ago
$1,593
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,593 found 23 hours ago
American Airlines
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,608 Roundtrip, found 23 hours ago
$1,608
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,608 found 23 hours ago
United
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,646 Roundtrip, found 23 hours ago
$1,646
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,646 found 23 hours ago
Alaska Airlines
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,766 Roundtrip, found 23 hours ago
$1,766
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,766 found 23 hours ago
Qantas Airways
Fri, Feb 6 - Sat, Feb 28
SAT
San Antonio
ADL
Adelaide
$1,922 Roundtrip, found 23 hours ago
$1,922
Roundtrip
found 23 hours ago
Select Qantas Airways flight, departing Fri, Feb 6 from San Antonio to Adelaide, returning Sat, Feb 28, priced at $1,922 found 23 hours ago
Air New Zealand
Wed, Nov 5 - Sun, Nov 9
SAT
San Antonio
ADL
Adelaide
$2,097 Roundtrip, found 1 day ago
$2,097
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Wed, Nov 5 from San Antonio to Adelaide, returning Sun, Nov 9, priced at $2,097 found 1 day ago
Flights from San Antonio (SAT) to Adelaide (ADL)
Origin airport
San Antonio Intl.
Destination airport
Adelaide
Airlines serving
Qantas Airways, Qatar Airways, United
Roundtrip price
$1,221
Distance
9128 mi

San Antonio to Adelaide Flights

The cheapest times to fly from San Antonio to Adelaide

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Adelaide are during the month of February. You can find some of the cheapest flights from San Antonio to Adelaide with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Adelaide

Sunday is one of the best days to book for cheap flights from San Antonio to Adelaide: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Adelaide

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Adelaide in 2025. You can also book with separate airlines for your outbound and return journeys, from $590 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Adelaide flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Adelaide airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL) cost?
Snag a cheap one-way flight from $590 or cheap return flight from $1,221 from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL)?
The cheapest month to fly from SAT to ADL is February, when there's less demand. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL)?
To find the cheapest airline flying from SAT to ADL, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL)?
Direct flights from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAT to ADL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL)?
To reach Adelaide Airport (ADL) without delays, choose a flight that leaves San Antonio Intl. Airport (SAT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL) last-minute?
Waiting until just before your departure to book your flight from SAT to ADL generally means paying more. While you may come across some last-minute deals, they're not always guaranteed. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book a SAT to ADL flight and hotel package?
You'll typically save money by securing a SAT to ADL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Adelaide Airport (ADL)?
If you reserved your SAT to ADL flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.