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$486+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUE
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$956
(KAYAK)

One-way from

$486
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$793
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. 5% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Ovago deal was found by Cheapflights users on 1/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:30 pm
SAT
-
EZE
1 stop14h 15m
LATAM Airlines
Thu 4/238:10 pm
EZE
-
SAT
1 stop15h 36m
LATAM Airlines
Deal found 1/15$938
This KAYAK deal was found by Cheapflights users on 1/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/162:20 pm
SAT
-
EZE
1 stop16h 00m
Multiple Airlines
Wed 3/259:05 pm
EZE
-
SAT
1 stop13h 33m
Multiple Airlines
Deal found 1/14$956
This KAYAK deal was found by Cheapflights users on 1/15. 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.
Tue 4/142:14 pm
SAT
-
EZE
1 stop15h 46m
Multiple Airlines
Thu 4/239:00 pm
EZE
-
SAT
2 stops18h 00m
Multiple Airlines
Deal found 1/15$961
This KAYAK deal was found by Cheapflights users on 1/15. 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.
Tue 3/1710:50 am
SAT
-
AEP
3 stops22h 55m
LATAM Airlines
Wed 3/255:15 pm
AEP
-
SAT
2 stops21h 27m
LATAM Airlines
Deal found 1/15$977
This LATAM Airlines deal was found by Cheapflights users on 1/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:37 pm
SAT
-
EZE
1 stop17h 23m
LATAM Airlines
Wed 3/258:00 am
EZE
-
SAT
2 stops18h 38m
LATAM Airlines
Deal found 1/14$977
This KAYAK deal was found by Cheapflights users on 1/15. 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.
Tue 4/1410:46 am
SAT
-
AEP
2 stops18h 54m
LATAM Airlines
Thu 4/238:05 pm
AEP
-
SAT
2 stops17h 11m
LATAM Airlines
Deal found 1/15$1,001
This Ovago deal was found by Cheapflights users on 1/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/132:20 pm
SAT
-
EZE
1 stop14h 00m
Multiple Airlines
Fri 3/209:05 pm
EZE
-
SAT
1 stop27h 52m
Multiple Airlines
Deal found 1/15$1,040
This KAYAK deal was found by Cheapflights users on 1/15. 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 9/68:00 am
SAT
-
AEP
2 stops21h 40m
LATAM Airlines
Sun 9/202:55 pm
AEP
-
SAT
2 stops22h 15m
LATAM Airlines
Deal found 1/15$1,041
This KAYAK deal was found by Cheapflights users on 1/15. 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 9/68:00 am
SAT
-
EZE
2 stops20h 10m
LATAM Airlines
Sat 9/193:55 am
EZE
-
SAT
2 stops22h 20m
LATAM Airlines
Deal found 1/15$1,041
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:05 am
SAT
-
EZE
1 stop21h 15m
American Airlines
Wed 3/1110:25 pm
EZE
-
SAT
1 stop16h 25m
American Airlines
Deal found 1/15$1,072
This Avianca Connect deal was found by Cheapflights users on 1/15. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:00 am
SAT
-
EZE
2 stops20h 50m
Multiple Airlines
Sat 3/71:40 am
EZE
-
SAT
2 stops24h 19m
Multiple Airlines
Deal found 1/15$1,080
This KAYAK deal was found by Cheapflights users on 1/15. 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.
Tue 2/244:29 pm
SAT
-
AEP
2 stops20h 31m
LATAM Airlines
Wed 3/116:20 pm
AEP
-
SAT
2 stops20h 22m
LATAM Airlines
Deal found 1/15$1,119

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 January 15, 2026.
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 4/14

5:30 pm-9:45 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

Thu 4/23

8:10 pm-9:46 am

1 stop15h 36m

$938

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 3/16

2:20 pm-8:20 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Wed 3/25

9:05 pm-8:38 am

1 stop13h 33m

$956

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 3/17

11:44 am-8:20 am

1 stop18h 36m

Buenos Aires Ministro Pistarini

Wed 3/25

9:05 pm-8:38 am

1 stop13h 33m

$956

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 4/14

2:14 pm-8:00 am

1 stop15h 46m

Buenos Aires Ministro Pistarini

Thu 4/23

9:00 pm-1:00 pm

2 stops18h 00m

$961

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Tue 3/17

12:24 pm-2:00 pm

2 stops23h 36m

Buenos Aires Jorge Newbery

Wed 3/25

5:15 pm-12:42 pm

2 stops21h 27m

$977

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Mon 3/16

4:29 pm-2:00 pm

2 stops19h 31m

Buenos Aires Jorge Newbery

Wed 3/25

5:15 pm-12:42 pm

2 stops21h 27m

$977

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 3/16

1:37 pm-9:00 am

1 stop17h 23m

Buenos Aires Ministro Pistarini

Wed 3/25

8:00 am-12:38 am

2 stops18h 38m

$977

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 3/17

5:30 pm-9:00 am

1 stop13h 30m

Buenos Aires Ministro Pistarini

Tue 3/24

2:25 am-12:38 am

2 stops24h 13m

$977

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Tue 4/14

10:46 am-7:40 am

2 stops18h 54m

Buenos Aires Jorge Newbery

Thu 4/23

8:05 pm-11:16 am

2 stops17h 11m

$1,001

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 2/24

1:40 pm-8:55 am

2 stops16h 15m

Buenos Aires Ministro Pistarini

Wed 3/11

10:25 pm-12:50 pm

1 stop16h 25m

$1,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 23 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 January.
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 $270). Flying from San Antonio to Buenos Aires in October is currently the most expensive (average of $575). 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.

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 January 15, 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.
United Airlines
7.4
Good
9,164 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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
United Airlines
7.4
Good
9,164 reviews
United Airlines
7.4
Good
9,164 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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
American Airlines
7.2
Good
11,136 reviews
United Airlines
7.4
Good
9,164 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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 14h 15m. Airlines will cover a distance of 5148 mi.

  • 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 27% 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 $270). Flying from San Antonio to Buenos Aires in October is currently the most expensive (average of $575). 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$843Average$1,145FlexibilityNo cancel feeOn-time69%

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