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Cheap flights from San Antonio to Buenos Aires from $908

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Buenos Aires departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from San Antonio to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:11 pm - 8:00 am
SAT
-
EZE
16h 49m
2 stops
United Airlines Logo
9:00 pm - 1:17 pm
EZE
-
SAT
18h 17m
1 stop
$908United Airlines
Thu, May 7 - Wed, May 20
Delta Logo
10:52 am - 7:40 am
SAT
-
AEP
18h 48m
2 stops
Delta Logo
8:05 pm - 3:06 pm
AEP
-
SAT
21h 01m
2 stops
$1,007Delta
Thu, May 7 - Wed, May 20
United Airlines Logo
5:30 am - 8:00 am
SAT
-
EZE
24h 30m
2 stops
United Airlines Logo
9:00 pm - 11:59 pm
EZE
-
SAT
28h 59m
2 stops
$1,011United Airlines
Thu, May 21 - Thu, May 28
LATAM Airlines Logo
1:55 pm - 7:40 am
SAT
-
AEP
39h 45m
2 stops
LATAM Airlines Logo
8:05 pm - 11:03 am
AEP
-
SAT
16h 58m
2 stops
$1,016LATAM Airlines
Sun, May 3 - Sun, May 10
United Airlines Logo
5:30 am - 8:00 am
SAT
-
EZE
24h 30m
1 stop
United Airlines Logo
9:00 pm - 3:39 pm
EZE
-
SAT
20h 39m
1 stop
$1,033United Airlines
Thu, May 21 - Thu, May 28
Multiple Airlines Logo
10:16 pm - 12:25 am
SAT
-
EZE
24h 09m
2 stops
Multiple Airlines Logo
2:30 am - 9:05 am
EZE
-
SAT
32h 35m
2 stops
$1,038Multiple Airlines
Fri, May 22 - Sat, May 30
Multiple Airlines Logo
7:54 pm - 3:23 am
SAT
-
EZE
29h 29m
3 stops
Multiple Airlines Logo
11:25 pm - 5:14 pm
EZE
-
SAT
43h 49m
2 stops
$1,043Multiple Airlines
Thu, May 7 - Wed, May 20
Multiple Airlines Logo
7:54 pm - 3:23 am
SAT
-
EZE
29h 29m
3 stops
Multiple Airlines Logo
11:25 pm - 5:14 pm
EZE
-
SAT
43h 49m
2 stops
$1,049Multiple Airlines
Thu, May 7 - Wed, May 20
Multiple Airlines Logo
7:54 pm - 3:23 am
SAT
-
EZE
29h 29m
3 stops
Multiple Airlines Logo
11:25 pm - 5:14 pm
EZE
-
SAT
43h 49m
2 stops
$1,051Multiple Airlines
Thu, May 7 - Wed, May 20
LATAM Airlines Logo
4:11 pm - 2:50 pm
SAT
-
AEP
20h 39m
2 stops
LATAM Airlines Logo
5:35 pm - 12:44 am
AEP
-
SAT
33h 09m
2 stops
$1,123LATAM Airlines
Fri, May 22 - Sun, May 31

LATAM Airlines flights from San Antonio to Buenos Aires

Our best LATAM Airlines deals on San Antonio to Buenos Aires flight tickets
LATAM Airlines
May 3
SAT1:55 pmSan Antonio
39h 45m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
May 10
AEP8:05 pmBuenos Aires Jorge Newbery
16h 58m
2 stops
SAT11:03 amSan Antonio
$1,016
LATAM Airlines
May 22
SAT4:11 pmSan Antonio
20h 39m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
May 31
AEP5:35 pmBuenos Aires Jorge Newbery
33h 09m
2 stops
SAT12:44 amSan Antonio
$1,123
LATAM Airlines
Jul 19
SAT6:19 pmSan Antonio
13h 26m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Jul 26
EZE7:35 amBuenos Aires Ministro Pistarini
31h 41m
2 stops
SAT1:16 pmSan Antonio
$1,139

United Airlines flights from San Antonio to Buenos Aires

Our best United Airlines deals on San Antonio to Buenos Aires flight tickets
United Airlines
May 7
SAT1:11 pmSan Antonio
16h 49m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 20
EZE9:00 pmBuenos Aires Ministro Pistarini
18h 17m
1 stop
SAT1:17 pmSan Antonio
$908
United Airlines
May 21
SAT5:30 amSan Antonio
24h 30m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 28
EZE9:00 pmBuenos Aires Ministro Pistarini
13h 27m
1 stop
SAT8:27 amSan Antonio
$1,011
United Airlines
May 21
SAT5:30 amSan Antonio
24h 30m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
May 28
EZE9:00 pmBuenos Aires Ministro Pistarini
20h 39m
1 stop
SAT3:39 pmSan Antonio
$1,033

momondo 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, momondo users made 832,500 searches. Data last updated April 4, 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
Quickest round-trip

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 5/7

1:11 pm-8:00 am

2 stops16h 49m

Buenos Aires Ministro Pistarini

Wed 5/20

9:00 pm-1:17 pm

1 stop18h 17m

$908

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Thu 5/7

10:52 am-7:40 am

2 stops18h 48m

Buenos Aires Jorge Newbery

Wed 5/20

8:05 pm-3:06 pm

2 stops21h 01m

$1,007

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 5/21

5:30 am-8:00 am

2 stops24h 30m

Buenos Aires Ministro Pistarini

Thu 5/28

9:00 pm-11:59 pm

2 stops28h 59m

$1,011

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Sun 5/3

1:55 pm-7:40 am

2 stops39h 45m

Buenos Aires Jorge Newbery

Sun 5/10

8:05 pm-11:03 am

2 stops16h 58m

$1,016

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 5/21

5:30 am-8:00 am

1 stop24h 30m

Buenos Aires Ministro Pistarini

Thu 5/28

9:00 pm-3:39 pm

1 stop20h 39m

$1,033

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Fri 5/22

10:16 pm-12:25 am

2 stops24h 09m

Buenos Aires Ministro Pistarini

Sat 5/30

2:30 am-9:05 am

2 stops32h 35m

$1,038

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 5/7

7:54 pm-3:23 am

3 stops29h 29m

Buenos Aires Ministro Pistarini

Wed 5/20

11:25 pm-5:14 pm

2 stops43h 49m

$1,043

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 5/7

7:54 pm-3:23 am

3 stops29h 29m

Buenos Aires Ministro Pistarini

Wed 5/20

11:25 pm-5:14 pm

2 stops43h 49m

$1,049

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 5/7

7:54 pm-3:23 am

3 stops29h 29m

Buenos Aires Ministro Pistarini

Wed 5/20

11:25 pm-5:14 pm

2 stops43h 49m

$1,051

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Fri 5/22

4:11 pm-2:50 pm

2 stops20h 39m

Buenos Aires Jorge Newbery

Sun 5/31

5:35 pm-12:44 am

2 stops33h 09m

$1,123

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from San Antonio to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Buenos Aires?

United Airlines, LATAM Airlines and Delta are the top three most popular airlines that fly to Buenos Aires from San Antonio according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 5 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

When to book flights from San Antonio to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Buenos Aires (SAT to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Buenos Aires

Fastest flight time

11h 58m

Direct flights

None
The fastest flight from San Antonio to Buenos Aires takes 11h 58m
There are no direct flights from San Antonio to Buenos Aires. There are no popular flight routes from San Antonio to Buenos Aires.
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Frequently asked questions about flying from San Antonio to Buenos Aires

  • How far is San Antonio to Buenos Aires by plane?

    A flight from San Antonio to Buenos Aires will travel around 5136.1 mi. 11h 58m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Antonio Airport to Buenos Aires?

    Prices for flights from San Antonio Airport to Buenos Aires refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Buenos Aires?

  • How old do you have to be to fly from San Antonio Airport to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Buenos Aires?

Best airlines flying from San Antonio to Buenos Aires

Compare and see reviews for airlines that fly from San Antonio to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $843Free CancellationRating
7.4
9,542 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Buenos Aires?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Antonio to Buenos Aires. momondo saves you time and could save you money on your trip.

Can I find flights from San Antonio to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Antonio to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Antonio to Buenos Aires right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Antonio to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport