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Cheap flights from San Antonio to Buenos Aires from $390

This is the cheapest one-way 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 3/9. 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
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.
Multiple Airlines Logo
8:41 pm - 3:40 pm
SAT
-
EZE
16h 59m
2 stops
Multiple Airlines Logo
4:45 am - 11:00 am
EZE
-
SAT
32h 15m
3 stops
$942Multiple Airlines
Mon, Apr 6 - Wed, Apr 22
Multiple Airlines Logo
6:00 am - 5:40 am
SAT
-
EZE
21h 40m
2 stops
Multiple Airlines Logo
1:35 am - 10:18 pm
EZE
-
SAT
22h 43m
2 stops
$953Multiple Airlines
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
8:41 pm - 2:45 am
SAT
-
EZE
28h 04m
3 stops
Multiple Airlines Logo
4:45 am - 11:00 am
EZE
-
SAT
32h 15m
3 stops
$960Multiple Airlines
Mon, Apr 6 - Wed, Apr 22
LATAM Airlines Logo
2:00 pm - 9:45 am
SAT
-
EZE
17h 45m
1 stop
LATAM Airlines Logo
8:10 pm - 9:52 am
EZE
-
SAT
15h 42m
1 stop
$981LATAM Airlines
Tue, Apr 28 - Wed, May 6
Delta Logo
5:10 am - 9:45 am
SAT
-
EZE
26h 35m
1 stop
Delta Logo
8:10 pm - 12:46 am
EZE
-
SAT
30h 36m
1 stop
$987Delta
Mon, Apr 6 - Wed, Apr 22
Multiple Airlines Logo
10:22 am - 2:45 am
SAT
-
EZE
38h 23m
3 stops
Multiple Airlines Logo
7:10 am - 9:27 am
EZE
-
SAT
28h 17m
3 stops
$993Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
LATAM Airlines Logo
10:42 am - 2:00 pm
SAT
-
AEP
25h 18m
2 stops
LATAM Airlines Logo
5:05 pm - 11:25 am
AEP
-
SAT
20h 20m
2 stops
$997LATAM Airlines
Tue, Apr 28 - Wed, May 6
Multiple Airlines Logo
8:41 pm - 5:40 am
SAT
-
EZE
30h 59m
2 stops
Multiple Airlines Logo
7:45 am - 9:11 am
EZE
-
SAT
27h 26m
2 stops
$997Multiple Airlines
Mon, Apr 6 - Wed, Apr 22
LATAM Airlines Logo
6:20 pm - 9:45 am
SAT
-
EZE
13h 25m
1 stop
LATAM Airlines Logo
8:10 pm - 11:10 am
EZE
-
SAT
17h 00m
1 stop
$1,014LATAM Airlines
Thu, Aug 6 - Fri, Aug 14
Multiple Airlines Logo
8:41 pm - 12:25 am
SAT
-
EZE
25h 44m
2 stops
Multiple Airlines Logo
4:50 pm - 7:10 pm
EZE
-
SAT
28h 20m
3 stops
$1,019Multiple Airlines
Tue, Apr 28 - Wed, May 6

LATAM Airlines flights from San Antonio to Buenos Aires

Our best LATAM Airlines deals on San Antonio to Buenos Aires flight tickets
LATAM Airlines
Apr 28
SAT2:00 pmSan Antonio
17h 45m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 6
EZE8:10 pmBuenos Aires Ministro Pistarini
15h 42m
1 stop
SAT9:52 amSan Antonio
$981
LATAM Airlines
Apr 28
SAT10:42 amSan Antonio
25h 18m
2 stops
AEP2:00 pmBuenos Aires Jorge Newbery
May 6
AEP5:05 pmBuenos Aires Jorge Newbery
20h 20m
2 stops
SAT11:25 amSan Antonio
$997
LATAM Airlines
Aug 6
SAT6:20 pmSan Antonio
13h 25m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Aug 14
EZE8:10 pmBuenos Aires Ministro Pistarini
17h 00m
1 stop
SAT11:10 amSan Antonio
$1,014

United Airlines flights from San Antonio to Buenos Aires

Our best United Airlines deals on San Antonio to Buenos Aires flight tickets
United Airlines
Apr 1
SAT6:02 pmSan Antonio
11h 58m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Apr 8
EZE9:00 pmBuenos Aires Ministro Pistarini
20h 46m
1 stop
SAT3:46 pmSan Antonio
$1,072
United Airlines
Apr 1
SAT6:02 pmSan Antonio
11h 58m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Apr 8
EZE9:00 pmBuenos Aires Ministro Pistarini
25h 42m
2 stops
SAT8:42 pmSan Antonio
$1,076
United Airlines
Mar 15
SAT4:40 pmSan Antonio
37h 40m
2 stops
EZE8:20 amBuenos Aires Ministro Pistarini
Mar 26
EZE9:05 pmBuenos Aires Ministro Pistarini
13h 33m
1 stop
SAT8:38 amSan Antonio
$1,151

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 February 17, 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

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 4/6

8:41 pm-3:40 pm

2 stops16h 59m

Buenos Aires Ministro Pistarini

Wed 4/22

4:45 am-11:00 am

3 stops32h 15m

$942

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 4/28

6:00 am-5:40 am

2 stops21h 40m

Buenos Aires Ministro Pistarini

Tue 5/5

1:35 am-10:18 pm

2 stops22h 43m

$953

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 4/6

8:41 pm-2:45 am

3 stops28h 04m

Buenos Aires Ministro Pistarini

Wed 4/22

4:45 am-11:00 am

3 stops32h 15m

$960

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 4/28

2:00 pm-9:45 am

1 stop17h 45m

Buenos Aires Ministro Pistarini

Wed 5/6

8:10 pm-9:52 am

1 stop15h 42m

$981

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 4/6

5:10 am-9:45 am

1 stop26h 35m

Buenos Aires Ministro Pistarini

Wed 4/22

8:10 pm-12:46 am

1 stop30h 36m

$987

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Wed 4/1

10:22 am-2:45 am

3 stops38h 23m

Buenos Aires Ministro Pistarini

Wed 4/8

7:10 am-9:27 am

3 stops28h 17m

$993

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Tue 4/28

10:42 am-2:00 pm

2 stops25h 18m

Buenos Aires Jorge Newbery

Wed 5/6

5:05 pm-11:25 am

2 stops20h 20m

$997

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Mon 4/6

8:41 pm-5:40 am

2 stops30h 59m

Buenos Aires Ministro Pistarini

Wed 4/22

7:45 am-9:11 am

2 stops27h 26m

$997

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 8/6

6:20 pm-9:45 am

1 stop13h 25m

Buenos Aires Ministro Pistarini

Fri 8/14

8:10 pm-11:10 am

1 stop17h 00m

$1,014

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 4/28

8:41 pm-12:25 am

2 stops25h 44m

Buenos Aires Ministro Pistarini

Wed 5/6

4:50 pm-7:10 pm

3 stops28h 20m

$1,019

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 is the typical price of a round-trip flight between San Antonio and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from San Antonio is in January. Flight prices, which tend to average around $793, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Buenos Aires from San Antonio during November instead. Flights to Buenos Aires in November, while not as cheap as those in January, still average around $975.

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

13h 25m

Direct flights

None
The fastest flight from San Antonio to Buenos Aires takes 13h 25m
There are no direct flights from San Antonio to Buenos Aires. There are no popular flight routes from San Antonio to Buenos Aires.
Search flight deals

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

    A flight from San Antonio to Buenos Aires will travel around 5136.1 mi. 13h 25m 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
9,308 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