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$370+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BUE
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$914
(Avianca Connect)

One-way from

$370
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,018
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. 11% potential increase in price ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Avianca Connect deal was found by Cheapflights users on 7/1. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:20 amSAT - EZE
2 stops22h 25mMultiple Airlines
Sun 10/262:30 amEZE - SAT
2 stops18h 45mMultiple Airlines
Deal found 7/1$914
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/213:26 pmSAT - EZE
1 stop16h 19mDelta
Mon 9/16:15 amEZE - SAT
2 stops19h 42mDelta
Deal found 7/2$975
This LATAM Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 11/134:25 pmSAT - EZE
2 stops30h 05mLATAM Airlines
Wed 11/194:05 amEZE - SAT
2 stops32h 46mLATAM Airlines
Deal found 7/3$985
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Thu 10/912:36 pmSAT - AEP
3 stops32h 44mMultiple Airlines
Sat 10/113:40 amAEP - SAT
2 stops21h 45mMultiple Airlines
Deal found 7/1$1,038
This LATAM Airlines deal was found by Cheapflights users on 7/1. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:37 amSAT - AEP
2 stops23h 23mLATAM Airlines
Mon 9/295:00 pmAEP - SAT
2 stops20h 19mLATAM Airlines
Deal found 7/1$1,055
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:20 amSAT - EZE
1 stop20h 50mAmerican Airlines
Thu 11/2010:50 pmEZE - SAT
2 stops18h 38mAmerican Airlines
Deal found 7/3$1,060
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:38 pmSAT - EZE
1 stop34h 22mUnited Airlines
Mon 10/2710:55 pmEZE - SAT
1 stop13h 48mUnited Airlines
Deal found 7/2$1,097
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:10 pmSAT - AEP
2 stops19h 50mDelta
Sat 12/204:40 pmAEP - SAT
2 stops21h 47mDelta
Deal found 7/1$8,750

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 July 3, 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

Fri 10/17

5:20 am-5:45 am

2 stops22h 25m

Buenos Aires Ministro Pistarini

Sun 10/26

2:30 am-7:15 pm

2 stops18h 45m

$914

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 8/21

3:26 pm-9:45 am

1 stop16h 19m

Buenos Aires Ministro Pistarini

Mon 9/1

6:15 am-11:57 pm

2 stops19h 42m

$975

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 11/13

4:25 pm-1:30 am

2 stops30h 05m

Buenos Aires Ministro Pistarini

Wed 11/19

4:05 am-9:51 am

2 stops32h 46m

$985

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Thu 10/9

12:36 pm-11:20 pm

3 stops32h 44m

Buenos Aires Jorge Newbery

Sat 10/11

3:40 am-11:25 pm

2 stops21h 45m

$1,038

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Thu 9/25

10:37 am-12:00 pm

2 stops23h 23m

Buenos Aires Jorge Newbery

Mon 9/29

5:00 pm-11:19 am

2 stops20h 19m

$1,055

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 11/13

9:20 am-9:10 am

1 stop20h 50m

Buenos Aires Ministro Pistarini

Thu 11/20

10:50 pm-2:28 pm

2 stops18h 38m

$1,060

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Fri 10/17

7:38 pm-8:00 am

1 stop34h 22m

Buenos Aires Ministro Pistarini

Mon 10/27

10:55 pm-10:43 am

1 stop13h 48m

$1,097

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Thu 12/4

2:10 pm-1:00 pm

2 stops19h 50m

Buenos Aires Jorge Newbery

Sat 12/20

4:40 pm-11:27 am

2 stops21h 47m

$8,750

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Sun 8/24

4:50 pm-9:20 am

3 stops38h 30m

$370

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Sun 8/24

3:18 pm-12:55 am

3 stops31h 37m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 results
1
2

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, April is the cheapest month in which you can book a flight from San Antonio to Buenos Aires (average of $795). Flying from San Antonio to Buenos Aires in December is currently the most expensive (average of $1,260). 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 July 3, 2025.

It’s optimal to fly from San Antonio to Buenos Aires at noon. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight in the afternoon.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and United 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
8.0
Very good
7,982 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,805 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from San Antonio to Buenos Aires round-trip?

    According to our current data, United Airlines ($975), LATAM Airlines ($985), and Delta ($1,015) offers the cheapest pricing from San Antonio to Buenos Aires. These flights start at 22% 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, April is the cheapest month in which you can book a flight from San Antonio to Buenos Aires (average of $795). Flying from San Antonio to Buenos Aires in December is currently the most expensive (average of $1,260). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$975Average$1,223FlexibilityNo cancel feeOn-time69%

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