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Buenos Aires

$895+ Cheap flights from San Antonio (SAT) to Buenos Aires (BUE)

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from San Antonio to Buenos Aires

Cheapest flights from San Antonio to Buenos Aires
Explore the most affordable flight options available from San Antonio to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/244:05 pmSAT - EZE
1 stop12h 15mUnited Airlines
Thu 1/111:55 pmEZE - SAT
1 stop20h 54mUnited Airlines
Deal found 12/16$1,166
This SmartFares deal was found by Cheapflights users on 12/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:45 pmSAT - EZE
1 stop13h 15mLATAM Airlines
Thu 1/18:55 pmEZE - SAT
1 stop18h 33mLATAM Airlines
Deal found 12/16$1,496
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:16 amSAT - EZE
2 stops19h 19mLATAM Airlines
Thu 1/18:55 pmEZE - SAT
1 stop18h 33mLATAM Airlines
Deal found 12/16$1,505
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/231:10 pmSAT - EZE
2 stops17h 10mUnited Airlines
Thu 1/110:05 pmEZE - SAT
1 stop13h 45mUnited Airlines
Deal found 12/16$1,728
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmSAT - EZE
3 stops24h 05mMultiple Airlines
Thu 1/17:30 amEZE - SAT
3 stops33h 14mMultiple Airlines
Deal found 12/16$1,965
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:37 pmSAT - EZE
2 stops17h 13mMultiple Airlines
Thu 1/17:30 amEZE - SAT
3 stops33h 14mMultiple Airlines
Deal found 12/16$2,013
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:38 pmSAT - EZE
2 stops18h 07mLATAM Airlines
Mon 12/2211:00 amEZE - SAT
2 stops16h 38mLATAM Airlines
Deal found 12/16$2,041
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/204:05 pmSAT - EZE
1 stop12h 15mUnited Airlines
Mon 12/2211:55 pmEZE - SAT
1 stop13h 45mUnited Airlines
Deal found 12/16$2,061
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:37 pmSAT - AEP
2 stops31h 03mMultiple Airlines
Thu 1/17:00 amAEP - SAT
2 stops30h 11mMultiple Airlines
Deal found 12/16$2,210
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:40 pmSAT - AEP
3 stops34h 50mMultiple Airlines
Thu 1/17:00 amAEP - SAT
2 stops19h 26mMultiple Airlines
Deal found 12/16$2,330
This LATAM Airlines deal was found by Cheapflights users on 12/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:33 pmSAT - AEP
2 stops17h 57mLATAM Airlines
Thu 1/13:40 pmAEP - SAT
2 stops21h 31mLATAM Airlines
Deal found 12/16$2,540
This LATAM Airlines deal was found by Cheapflights users on 12/17. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:33 pmSAT - AEP
2 stops19h 12mLATAM Airlines
Mon 1/511:30 amAEP - SAT
2 stops32h 45mLATAM Airlines
Deal found 12/17$5,599

Find flight deals from San Antonio to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Buenos Aires (BUE). 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$895
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$1,615
Provider with most accurate pricing for San Antonio-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Buenos Aires (BUE) flights.
Search Deals
From San Antonio to Buenos Aires (BUE)
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($41 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 San Antonio to Buenos Aires 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 December 18, 2025.
Use the filters below to find and compare flights from San Antonio to Buenos Aires that are best for you.

Fly from

San Antonio

Fly to

Buenos Aires

Route

Depart

Return

Price

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Sun 2/1

10:35 am-9:20 pm

3 stops31h 45m

Buenos Aires Jorge Newbery

Sun 2/8

11:30 am-9:30 am

3 stops25h 00m

$895

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Mon 3/30

10:26 am-7:30 am

2 stops19h 04m

Buenos Aires Jorge Newbery

Tue 4/14

5:10 pm-9:30 am

2 stops18h 20m

$897

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Mon 3/30

10:46 am-7:40 am

2 stops18h 54m

Buenos Aires Jorge Newbery

Tue 4/14

5:05 pm-11:19 am

2 stops20h 14m

$976

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 3/10

5:30 pm-9:00 am

1 stop13h 30m

Buenos Aires Ministro Pistarini

Wed 4/15

8:10 pm-5:13 pm

1 stop23h 03m

$976

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 3/10

1:37 pm-9:00 am

1 stop17h 23m

Buenos Aires Ministro Pistarini

Wed 4/15

4:45 pm-11:19 am

2 stops20h 34m

$976

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 3/30

4:29 pm-9:45 am

1 stop15h 16m

Buenos Aires Ministro Pistarini

Tue 4/14

8:10 pm-9:48 am

1 stop15h 38m

$976

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Sun 2/1

10:35 am-8:50 pm

3 stops31h 15m

Buenos Aires Ministro Pistarini

Sun 2/8

8:00 am-9:30 am

3 stops28h 30m

$1,002

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 3/5

4:29 pm-2:55 pm

2 stops19h 26m

Buenos Aires Ministro Pistarini

Sun 3/15

3:55 pm-12:32 am

2 stops34h 37m

$1,006

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Fri 3/20

6:20 am-7:55 am

2 stops23h 35m

Buenos Aires Jorge Newbery

Sat 3/28

12:40 pm-11:31 am

3 stops24h 51m

$1,048

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Fri 3/20

6:20 am-6:20 am

2 stops22h 00m

Buenos Aires Ministro Pistarini

Sat 3/28

3:55 pm-11:31 am

2 stops21h 36m

$1,048

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 15 results
1
2

Compare providers for flights from San Antonio to Buenos Aires

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 San Antonio to Buenos Aires in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice 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 San Antonio-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams 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 San Antonio-Buenos Aires 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 San Antonio to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Antonio 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 San Antonio to Buenos Aires

What is the cheapest month to book a flight from San Antonio to Buenos Aires?

Currently, June is the cheapest month in which you can book a flight from San Antonio to Buenos Aires (average of $274). Flying from San Antonio to Buenos Aires in October is currently the most expensive (average of $576). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAT to BUE?

Find hourly flight availability from San Antonio to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from San Antonio to Buenos Aires in the morning. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from San Antonio to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,004 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,055 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to Buenos Aires?

    If you book a flight to Buenos Aires from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 0 flights from San Antonio to Buenos Aires per day from 1 airline.

  • How long is the flight from San Antonio to Buenos Aires?

    Departing from San Antonio to Buenos Aires will take you 13h 30m. Airlines will cover a distance of 5148 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from San Antonio to Buenos Aires round-trip?

    According to our current data, United Airlines ($843), offers the cheapest pricing from San Antonio to Buenos Aires. This flight start at 30% lower than the current average price 3 months from now.

  • Can I find deals for flights from San Antonio to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on San Antonio to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Buenos Aires.

  • Can I find deals for business class flights from San Antonio to Buenos Aires?

    Yes. Cheapflights offers flight deals from San Antonio to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Buenos Aires?

    Currently, June is the cheapest month in which you can book a flight from San Antonio to Buenos Aires (average of $274). Flying from San Antonio to Buenos Aires in October is currently the most expensive (average of $576). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Antonio to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from San Antonio to Buenos Aires

Discover the top airline that operate flights from San Antonio to Buenos Aires. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,145FlexibilityNo cancel feeOn-time69%

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