Buenos Aires

$451+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUE
Apr 18 — Apr 251
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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 March 19, 2026.

This LATAM Airlines deal was found by Cheapflights users on 3/15. 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.
Thu 5/75:25 am
SAT
-
AEP
2 stops24h 15m
LATAM Airlines
Wed 5/208:05 pm
AEP
-
SAT
2 stops28h 26m
LATAM Airlines
Deal found 3/15$917
This Delta deal was found by Cheapflights users on 3/15. 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.
Thu 5/76:50 am
SAT
-
EZE
2 stops21h 20m
Delta
Wed 5/208:10 pm
EZE
-
SAT
1 stop20h 56m
Delta
Deal found 3/15$917
This BusinessClass deal was found by Cheapflights users on 3/14. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:25 am
SAT
-
EZE
2 stops22h 45m
LATAM Airlines
Wed 5/208:10 pm
EZE
-
SAT
1 stop16h 53m
LATAM Airlines
Deal found 3/14$919
This eDestinos deal was found by Cheapflights users on 3/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:15 am
SAT
-
EZE
3 stops44h 01m
Multiple Airlines
Wed 5/204:00 am
EZE
-
SAT
3 stops33h 00m
Multiple Airlines
Deal found 3/14$1,047
This KAYAK deal was found by Cheapflights users on 3/16. 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.
Tue 5/192:27 pm
SAT
-
EZE
1 stop17h 18m
LATAM Airlines
Fri 5/298:10 pm
EZE
-
SAT
1 stop15h 42m
LATAM Airlines
Deal found 3/16$1,064
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Mon 4/2710:16 pm
SAT
-
EZE
2 stops24h 09m
Multiple Airlines
Mon 6/224:45 am
EZE
-
SAT
3 stops30h 20m
Multiple Airlines
Deal found 3/14$1,097
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:16 pm
SAT
-
EZE
1 stop21h 09m
Multiple Airlines
Tue 4/212:57 pm
EZE
-
SAT
2 stops34h 54m
Multiple Airlines
Deal found 3/17$1,117
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:45 pm
SAT
-
EZE
1 stop25h 40m
Multiple Airlines
Wed 5/65:25 am
EZE
-
SAT
2 stops20h 34m
Multiple Airlines
Deal found 3/14$1,126
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Thu 5/71:06 pm
SAT
-
AEP
3 stops27h 24m
Multiple Airlines
Wed 5/205:45 am
AEP
-
SAT
3 stops44h 14m
Multiple Airlines
Deal found 3/14$1,141
This Mytrip deal was found by Cheapflights users on 3/16. 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 4/2910:16 pm
SAT
-
AEP
2 stops29h 24m
Multiple Airlines
Sun 5/104:40 am
AEP
-
SAT
3 stops30h 25m
Multiple Airlines
Deal found 3/16$1,156
This KAYAK deal was found by Cheapflights users on 3/15. 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.
Sun 9/1310:45 am
SAT
-
AEP
2 stops23h 15m
LATAM Airlines
Sun 9/278:05 pm
AEP
-
SAT
2 stops17h 05m
LATAM Airlines
Deal found 3/15$1,179
This Gurufare deal was found by Cheapflights users on 3/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1710:45 am
SAT
-
AEP
2 stops19h 55m
LATAM Airlines
Thu 12/316:20 pm
AEP
-
SAT
2 stops22h 02m
LATAM Airlines
Deal found 3/17$1,227

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 March 19, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$917
(LATAM Airlines)

One-way from

$451
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,127
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)
Highest demand for flights based on searches. 10% potential increase in price ($139 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 19, 2026.
Use the filters below to find and compare flights from San Antonio to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Thu 5/7

5:25 am-7:40 am

2 stops24h 15m

Buenos Aires Jorge Newbery

Wed 5/20

8:05 pm-10:31 pm

2 stops28h 26m

$917

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 5/7

6:50 am-6:10 am

2 stops21h 20m

Buenos Aires Ministro Pistarini

Wed 5/20

8:10 pm-3:06 pm

1 stop20h 56m

$917

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 4/27

10:16 pm-12:25 am

2 stops24h 09m

Buenos Aires Ministro Pistarini

Mon 6/22

4:45 am-9:05 am

3 stops30h 20m

$1,097

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Thu 5/7

1:06 pm-6:30 pm

3 stops27h 24m

Buenos Aires Jorge Newbery

Wed 5/20

5:45 am-11:59 pm

3 stops44h 14m

$1,141

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Wed 4/29

10:16 pm-5:40 am

2 stops29h 24m

Buenos Aires Jorge Newbery

Sun 5/10

7:00 am-11:59 pm

2 stops18h 59m

$1,159

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Sun 9/13

10:45 am-12:00 pm

2 stops23h 15m

Buenos Aires Jorge Newbery

Sun 9/27

8:05 pm-11:10 am

2 stops17h 05m

$1,179

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Sun 9/13

6:15 pm-9:20 am

2 stops37h 05m

Buenos Aires Ministro Pistarini

Sun 9/27

7:35 am-11:10 am

2 stops29h 35m

$1,201

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Sun 9/13

5:30 am-8:00 am

2 stops48h 30m

Buenos Aires Ministro Pistarini

Sun 9/27

9:00 pm-5:33 pm

1 stop22h 33m

$1,211

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Wed 4/29

9:40 am-8:00 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Wed 5/6

9:00 pm-3:39 pm

1 stop20h 39m

$1,222
Quickest round-trip

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 4/30

11:45 am-8:00 am

1 stop18h 15m

Buenos Aires Ministro Pistarini

Thu 5/7

9:00 pm-10:47 am

1 stop15h 47m

$1,222

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on San Antonio-Buenos Aires flight deals on Cheapflights vs. Ovago 90-95% 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 Ovago the most. Ovago 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 $264). Flying from San Antonio to Buenos Aires in January is currently the most expensive (average of $629). 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.

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 March 19, 2026.
Peruse reviews from past customers who have flown with 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.

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 21h 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 ($843), offers the cheapest pricing from San Antonio to Buenos Aires. This flight start at 28% 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 $264). Flying from San Antonio to Buenos Aires in January is currently the most expensive (average of $629). 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.

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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,145FlexibilityNo cancel feeOn-time69%

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