Buenos Aires

$394+ Cheap flights from San Antonio (SAT) to Buenos Aires (BUE)

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUE
Jan 3 — Jan 101
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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 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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.
Mon 12/154:14 pmSAT - EZE
1 stop14h 06mUnited Airlines
Mon 12/2911:55 pmEZE - SAT
1 stop22h 46mUnited Airlines
Deal found 12/3$1,166
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sun 12/145:59 pmSAT - EZE
1 stop34h 21mUnited Airlines
Thu 12/2510:05 pmEZE - SAT
1 stop15h 35mUnited Airlines
Deal found 12/3$1,172
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/124:14 pmSAT - EZE
1 stop12h 06mUnited Airlines
Mon 12/2911:55 pmEZE - SAT
1 stop22h 46mUnited Airlines
Deal found 12/3$1,191
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sun 12/145:59 pmSAT - EZE
1 stop34h 21mUnited Airlines
Sun 12/2810:05 pmEZE - SAT
1 stop13h 45mUnited Airlines
Deal found 12/3$1,197
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Fri 12/124:14 pmSAT - EZE
1 stop12h 06mUnited Airlines
Sun 12/2810:05 pmEZE - SAT
1 stop13h 45mUnited Airlines
Deal found 12/3$1,216
This LATAM Airlines deal was found by Cheapflights users on 12/3. 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.
Mon 12/152:48 pmSAT - EZE
2 stops15h 47mLATAM Airlines
Fri 12/268:55 pmEZE - SAT
1 stop16h 11mLATAM Airlines
Deal found 12/3$1,245
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sun 12/149:55 amSAT - EZE
1 stop18h 25mUnited Airlines
Tue 1/1310:05 pmEZE - SAT
1 stop15h 42mUnited Airlines
Deal found 12/3$1,284
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/174:14 pmSAT - EZE
1 stop12h 06mUnited Airlines
Tue 12/2310:05 pmEZE - SAT
1 stop13h 45mUnited Airlines
Deal found 12/3$1,366
This Mytrip deal was found by Cheapflights users on 12/1. 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 12/312:39 pmSAT - EZE
3 stops33h 11mMultiple Airlines
Fri 1/99:15 pmEZE - SAT
3 stops29h 37mMultiple Airlines
Deal found 12/1$1,376
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Thu 12/185:59 pmSAT - EZE
1 stop12h 21mUnited Airlines
Thu 12/2510:05 pmEZE - SAT
1 stop13h 45mUnited Airlines
Deal found 12/3$1,421
This Mytrip deal was found by Cheapflights users on 12/3. 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.
Sun 12/141:55 pmSAT - AEP
3 stops25h 45mMultiple Airlines
Tue 1/133:40 pmAEP - SAT
3 stops35h 12mMultiple Airlines
Deal found 12/3$1,521
This LATAM Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 12/88:00 amSAT - AEP
3 stops24h 45mLATAM Airlines
Thu 12/1111:30 amAEP - SAT
2 stops30h 20mLATAM Airlines
Deal found 12/2$1,708

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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$931
(Mytrip)

One-way from

$394
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,657
Provider with most accurate pricing for San Antonio-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for San Antonio-Buenos Aires (BUE) flights.
From San Antonio to Buenos Aires (BUE)
One-way flight from San Antonio to Buenos Aires (BUE)
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 4, 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

Mon 2/2

10:35 am-6:40 pm

3 stops29h 05m

Buenos Aires Jorge Newbery

Fri 2/6

5:15 pm-9:40 am

2 stops19h 25m

$931

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Sun 2/1

4:43 pm-7:20 am

2 stops35h 37m

Buenos Aires Ministro Pistarini

Tue 2/10

10:05 pm-5:33 pm

1 stop22h 28m

$980

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Fri 4/10

10:26 am-3:40 am

3 stops39h 14m

Buenos Aires Jorge Newbery

Mon 4/13

5:10 pm-9:22 am

2 stops18h 12m

$997

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Fri 4/24

2:10 pm-10:30 am

2 stops18h 20m

Buenos Aires Jorge Newbery

Mon 5/4

5:05 pm-11:19 am

2 stops20h 14m

$1,008

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Wed 1/21

5:20 am-7:20 am

1 stop23h 00m

Buenos Aires Ministro Pistarini

Sat 2/7

8:00 am-12:38 am

2 stops19h 38m

$1,008

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 1/22

8:00 am-9:00 am

1 stop22h 00m

Buenos Aires Ministro Pistarini

Fri 2/6

8:55 pm-5:22 pm

1 stop23h 27m

$1,008

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 3/12

12:27 pm-9:35 am

2 stops19h 08m

Buenos Aires Ministro Pistarini

Sat 3/21

11:55 pm-8:33 pm

1 stop22h 38m

$1,012

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 3/12

1:37 pm-1:00 am

2 stops33h 23m

Buenos Aires Ministro Pistarini

Sat 3/21

11:55 pm-10:30 pm

1 stop24h 35m

$1,016

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 1/22

10:45 am-6:05 am

2 stops40h 20m

Buenos Aires Ministro Pistarini

Thu 2/5

4:05 am-12:38 am

2 stops23h 33m

$1,016

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Sun 1/25

6:17 pm-10:15 am

2 stops36h 58m

Buenos Aires Ministro Pistarini

Sun 2/8

8:00 am-12:38 am

2 stops19h 38m

$1,020

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 28 results
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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
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
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 $275). Flying from San Antonio to Buenos Aires in April is currently the most expensive (average of $578). 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 4, 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.

How much does it cost to fly round-trip from San Antonio to Buenos Aires?

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 4, 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.

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

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.

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

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.

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

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.

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

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 18h 55m. Airlines will cover a distance of 5137 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 ($975), offers the cheapest pricing from San Antonio to Buenos Aires. This flight start at 20% 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 $275). Flying from San Antonio to Buenos Aires in April is currently the most expensive (average of $578). 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

Browse thousands of different options on Cheapflights for your next trip

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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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$975Average$1,160FlexibilityNo cancel feeOn-time69%

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