$631 Cheap Flights from Buenos Aires (AEP) to San Antonio (SAT)

View $631 flight on Thu, Jul 30, 2026Opens in a new window

Popular airlines from Buenos Aires (AEP-Aeroparque Jorge Newbery) to San Antonio International Airport (SAT)

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Cheap Flights from Buenos Aires to San Antonio (AEP-SAT)

Prices were available within the past 7 days and start at $631 for one-way flights and $1,154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Thu, Jul 30 - Thu, Aug 27
AEP
Buenos Aires
SAT
San Antonio
$1,154 Roundtrip, found 6 days ago
$1,154
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Thu, Jul 30 from Buenos Aires to San Antonio, returning Thu, Aug 27, priced at $1,154 found 6 days ago
LATAM Airlines Group
Thu, Jul 30 - Thu, Aug 27
AEP
Buenos Aires
SAT
San Antonio
$1,155 Roundtrip, found 6 days ago
$1,155
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Thu, Jul 30 from Buenos Aires to San Antonio, returning Thu, Aug 27, priced at $1,155 found 6 days ago
Aerolineas Argentinas
Thu, Jul 30 - Thu, Aug 27
AEP
Buenos Aires
SAT
San Antonio
$1,217 Roundtrip, found 6 days ago
$1,217
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Thu, Jul 30 from Buenos Aires to San Antonio, returning Thu, Aug 27, priced at $1,217 found 6 days ago
Aerolineas Argentinas
Thu, Jul 30 - Thu, Aug 27
AEP
Buenos Aires
SAT
San Antonio
$1,218 Roundtrip, found 6 days ago
$1,218
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Thu, Jul 30 from Buenos Aires to San Antonio, returning Thu, Aug 27, priced at $1,218 found 6 days ago
LATAM Airlines Group
Wed, Jul 29 - Wed, Aug 26
AEP
Buenos Aires
SAT
San Antonio
$1,223 Roundtrip, found 3 days ago
$1,223
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Wed, Jul 29 from Buenos Aires to San Antonio, returning Wed, Aug 26, priced at $1,223 found 3 days ago
LATAM Airlines Group
Thu, Jul 30 - Thu, Aug 27
AEP
Buenos Aires
SAT
San Antonio
$1,225 Roundtrip, found 6 days ago
$1,225
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Thu, Jul 30 from Buenos Aires to San Antonio, returning Thu, Aug 27, priced at $1,225 found 6 days ago
LATAM Airlines Group
Thu, Jul 30 - Thu, Aug 27
AEP
Buenos Aires
SAT
San Antonio
$1,226 Roundtrip, found 6 days ago
$1,226
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Thu, Jul 30 from Buenos Aires to San Antonio, returning Thu, Aug 27, priced at $1,226 found 6 days ago
LATAM Airlines Group
Wed, Dec 24 - Mon, Dec 29
AEP
Buenos Aires
SAT
San Antonio
$1,231 Roundtrip, found 4 days ago
$1,231
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Wed, Dec 24 from Buenos Aires to San Antonio, returning Mon, Dec 29, priced at $1,231 found 4 days ago
LATAM Airlines Group
Wed, Dec 24 - Fri, Jan 2
AEP
Buenos Aires
SAT
San Antonio
$1,244 Roundtrip, found 4 days ago
$1,244
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Wed, Dec 24 from Buenos Aires to San Antonio, returning Fri, Jan 2, priced at $1,244 found 4 days ago
Delta
Sun, Dec 21 - Tue, Dec 30
AEP
Buenos Aires
SAT
San Antonio
$1,834 Roundtrip, found 4 days ago
$1,834
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Dec 21 from Buenos Aires to San Antonio, returning Tue, Dec 30, priced at $1,834 found 4 days ago

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $1,344
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $1,344
Flights from Buenos Aires (AEP) to San Antonio (SAT)
Origin airport
Aeroparque Jorge Newbery
Destination airport
San Antonio Intl.
Airlines serving
LATAM Airlines Group
Roundtrip price
$1,154
Distance
5140 mi

Buenos Aires to San Antonio Flights

The cheapest times to fly from Buenos Aires to San Antonio

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 Buenos Aires to San Antonio are during the month of July. You can find some of the cheapest flights from Buenos Aires to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buenos Aires to San Antonio

Sunday is one of the best days to book for cheap flights from Buenos Aires to San Antonio: 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 Buenos Aires to San Antonio

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 Buenos Aires to San Antonio in 2026. You can also book with separate airlines for your outbound and return journeys, from $631 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 Buenos Aires to San Antonio 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 Buenos Aires to San Antonio 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 Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT) cost?
Grab a cheap one-way flight from $631 or cheap return flight from $1,154 from Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT)?
Planning your getaway for July may help you find better deals, as it's the cheapest month for flights between AEP and SAT. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT)?
To find the cheapest airline flying from AEP to SAT, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT)?
Nonstop flights from Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AEP to SAT?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT)?
To land at San Antonio Intl. Airport (SAT) on schedule, pick a flight that takes off from Aeroparque Jorge Newbery Airport (AEP) 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 Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT) last-minute?
Booking your ticket from AEP to SAT right before your journey is generally more expensive. But if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book an AEP to SAT flight and hotel package?
You can save money by booking an AEP to SAT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Aeroparque Jorge Newbery Airport (AEP) to San Antonio Intl. Airport (SAT)?
Usually, it's possible to reschedule or cancel your AEP to SAT flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.