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$417+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$794
(United Airlines)

One-way from

$417
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$1,213
Provider with most accurate pricing for San Antonio-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Buenos Aires (BUE) flights.
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From San Antonio to Buenos Aires (BUE)
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One-way flight from San Antonio to Buenos Aires (BUE)
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Highest demand for flights based on searches. 7% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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 11/129:45 amSAT - EZE
1 stop20h 35mUnited Airlines
Wed 11/1910:05 pmEZE - SAT
1 stop13h 43mUnited Airlines
Deal found 10/30$794
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/138:30 amSAT - EZE
2 stops21h 50mUnited Airlines
Thu 11/2011:55 pmEZE - SAT
2 stops20h 03mUnited Airlines
Deal found 10/30$798
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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 11/128:00 amSAT - AEP
2 stops20h 55mMultiple Airlines
Wed 11/199:05 pmAEP - SAT
2 stops41h 31mMultiple Airlines
Deal found 10/30$843
This Ovago deal was found by Cheapflights users on 10/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/115:25 pmSAT - AEP
2 stops22h 15mLATAM Airlines
Tue 11/188:25 pmAEP - SAT
2 stops31h 13mLATAM Airlines
Deal found 10/30$891
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/144:14 pmSAT - EZE
1 stop12h 06mUnited Airlines
Sun 12/2111:55 pmEZE - SAT
1 stop25h 53mUnited Airlines
Deal found 10/30$900
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/127:37 pmSAT - EZE
3 stops29h 08mMultiple Airlines
Wed 11/194:55 pmEZE - SAT
3 stops29h 43mMultiple Airlines
Deal found 10/30$902
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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 11/115:15 amSAT - EZE
2 stops21h 50mLATAM Airlines
Mon 11/174:05 amEZE - SAT
2 stops23h 33mLATAM Airlines
Deal found 10/30$980
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/314:05 pmSAT - EZE
1 stop14h 15mUnited Airlines
Tue 1/1310:05 pmEZE - SAT
1 stop13h 36mUnited Airlines
Deal found 10/30$1,027
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/148:00 amSAT - EZE
2 stops22h 35mLATAM Airlines
Sun 12/2111:00 amEZE - SAT
2 stops16h 38mLATAM Airlines
Deal found 10/30$1,054
This Ovago deal was found by Cheapflights users on 10/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:46 pmSAT - EZE
2 stops33h 04mLATAM Airlines
Wed 11/194:05 amEZE - SAT
2 stops22h 11mLATAM Airlines
Deal found 10/30$1,059
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amSAT - EZE
2 stops20h 00mDelta
Tue 1/1311:55 pmEZE - SAT
1 stop20h 22mDelta
Deal found 10/30$1,090
This Expedia deal was found by Cheapflights users on 10/30. 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.
Wed 12/317:05 amSAT - AEP
2 stops21h 50mLATAM Airlines
Tue 1/138:25 pmAEP - SAT
2 stops30h 05mLATAM Airlines
Deal found 10/30$1,120

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 October 30, 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 - EZE

SATEZE

San Antonio

Tue 11/11

6:00 pm-9:20 am

1 stop12h 20m

Buenos Aires Ministro Pistarini

Tue 11/18

10:05 pm-10:43 am

1 stop15h 38m

$794

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 2/2

4:29 pm-9:00 am

1 stop13h 31m

Buenos Aires Ministro Pistarini

Mon 2/16

8:55 pm-5:22 pm

1 stop23h 27m

$794

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 11/13

11:40 am-9:20 am

1 stop18h 40m

Buenos Aires Ministro Pistarini

Thu 11/20

11:55 pm-7:37 pm

1 stop22h 42m

$794

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Wed 11/12

9:45 am-9:20 am

1 stop20h 35m

Buenos Aires Ministro Pistarini

Wed 11/19

10:05 pm-8:48 am

1 stop13h 43m

$794

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Wed 11/12

8:00 am-7:55 am

2 stops20h 55m

Buenos Aires Jorge Newbery

Wed 11/19

9:05 pm-11:36 am

2 stops41h 31m

$843

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Wed 1/21

1:40 pm-4:00 pm

2 stops23h 20m

Buenos Aires Jorge Newbery

Fri 2/6

5:15 pm-10:22 am

2 stops20h 07m

$844

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Wed 1/21

11:36 am-8:25 am

1 stop17h 49m

Buenos Aires Ministro Pistarini

Fri 2/6

10:10 am-11:59 pm

1 stop16h 49m

$844

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Tue 11/11

5:25 pm-6:40 pm

2 stops22h 15m

Buenos Aires Jorge Newbery

Tue 11/18

8:25 pm-12:38 am

2 stops31h 13m

$891

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Wed 1/21

6:00 am-9:30 pm

3 stops36h 30m

Buenos Aires Jorge Newbery

Fri 2/6

5:15 pm-10:27 pm

3 stops32h 12m

$969

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Sun 1/11

4:29 pm-4:00 pm

2 stops20h 31m

Buenos Aires Jorge Newbery

Sun 1/18

5:15 pm-10:02 am

2 stops19h 47m

$975

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October.
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 $276). Flying from San Antonio to Buenos Aires in April is currently the most expensive (average of $581). 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 October 30, 2025.

It’s optimal to fly from San Antonio to Buenos Aires in the afternoon. By choosing this option you can save up to 25% 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 October 30, 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
7,998 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 12h 20m. 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 ($975), offers the cheapest pricing from San Antonio to Buenos Aires. This flight start at 23% 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 $276). Flying from San Antonio to Buenos Aires in April is currently the most expensive (average of $581). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$975Average$1,188FlexibilityNo cancel feeOn-time69%

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