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Cheap flights from San Antonio to Buenos Aires from $435

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 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
9:32 pm - 3:00 am
SAT
-
EZE
27h 28m
3 stops
Multiple Airlines Logo
4:50 pm - 5:08 pm
EZE
-
SAT
26h 18m
2 stops
$959Multiple Airlines
Wed, Jul 1 - Wed, Jul 8
Multiple Airlines Logo
8:56 pm - 6:45 am
SAT
-
EZE
31h 49m
3 stops
Multiple Airlines Logo
7:10 am - 10:15 am
EZE
-
SAT
29h 05m
3 stops
$1,002Multiple Airlines
Tue, Jun 2 - Thu, Jun 25
Multiple Airlines Logo
8:56 pm - 6:45 am
SAT
-
EZE
31h 49m
3 stops
Multiple Airlines Logo
2:30 am - 4:53 pm
EZE
-
SAT
16h 23m
2 stops
$1,006Multiple Airlines
Tue, Jun 2 - Wed, Jun 24
Multiple Airlines Logo
8:56 pm - 3:00 am
SAT
-
EZE
28h 04m
3 stops
Multiple Airlines Logo
7:35 am - 10:15 am
EZE
-
SAT
28h 40m
3 stops
$1,021Multiple Airlines
Wed, Jul 1 - Wed, Jul 8
Multiple Airlines Logo
8:56 pm - 8:15 am
SAT
-
EZE
33h 19m
3 stops
Multiple Airlines Logo
7:10 am - 10:15 am
EZE
-
SAT
29h 05m
3 stops
$1,041Multiple Airlines
Sun, Jun 14 - Sun, Jun 21
LATAM Airlines Logo
6:16 pm - 9:45 am
SAT
-
EZE
13h 29m
1 stop
LATAM Airlines Logo
8:10 pm - 11:09 am
EZE
-
SAT
16h 59m
1 stop
$1,083LATAM Airlines
Thu, Jul 9 - Thu, Jul 23
LATAM Airlines Logo
8:00 am - 7:40 am
SAT
-
AEP
20h 40m
2 stops
LATAM Airlines Logo
5:05 pm - 11:26 am
AEP
-
SAT
21h 21m
2 stops
$1,097LATAM Airlines
Tue, Nov 10 - Thu, Dec 3
Delta Logo
6:15 pm - 4:00 pm
SAT
-
AEP
42h 45m
2 stops
Delta Logo
8:05 pm - 2:39 pm
AEP
-
SAT
21h 34m
2 stops
$1,107Delta
Sun, Nov 15 - Tue, Dec 1
LATAM Airlines Logo
5:20 am - 7:40 am
SAT
-
AEP
24h 20m
2 stops
LATAM Airlines Logo
8:40 am - 11:10 am
AEP
-
SAT
28h 30m
2 stops
$1,129LATAM Airlines
Sun, Aug 16 - Sun, Aug 23
Delta Logo
6:15 pm - 4:00 pm
SAT
-
AEP
42h 45m
2 stops
Delta Logo
5:05 pm - 9:54 am
AEP
-
SAT
19h 49m
2 stops
$1,147Delta
Sun, Nov 15 - Fri, Dec 4

United Airlines flights from San Antonio to Buenos Aires

Our best United Airlines deals on San Antonio to Buenos Aires flight tickets
United Airlines
Nov 11
SAT12:24 pmSan Antonio
15h 56m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 2
EZE11:55 pmBuenos Aires Ministro Pistarini
13h 53m
1 stop
SAT10:48 amSan Antonio
$1,097
United Airlines
Nov 15
SAT4:45 pmSan Antonio
35h 35m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 1
EZE10:05 pmBuenos Aires Ministro Pistarini
15h 43m
1 stop
SAT10:48 amSan Antonio
$1,101
United Airlines
Nov 15
SAT7:00 pmSan Antonio
33h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 2
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 38m
1 stop
SAT3:33 pmSan Antonio
$1,103

LATAM Airlines flights from San Antonio to Buenos Aires

Our best LATAM Airlines deals on San Antonio to Buenos Aires flight tickets
LATAM Airlines
Jul 9
SAT6:16 pmSan Antonio
13h 29m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Jul 23
EZE8:10 pmBuenos Aires Ministro Pistarini
16h 59m
1 stop
SAT11:09 amSan Antonio
$1,083
LATAM Airlines
Nov 10
SAT8:00 amSan Antonio
20h 40m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Dec 3
AEP5:05 pmBuenos Aires Jorge Newbery
21h 21m
2 stops
SAT11:26 amSan Antonio
$1,097
LATAM Airlines
Nov 11
SAT8:00 amSan Antonio
20h 35m
1 stop
EZE7:35 amBuenos Aires Ministro Pistarini
Nov 29
EZE7:45 amBuenos Aires Ministro Pistarini
29h 09m
3 stops
SAT9:54 amSan Antonio
$1,100

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 May 21, 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 - EZE

SATEZE

San Antonio

Wed 7/1

9:32 pm-3:00 am

3 stops27h 28m

Buenos Aires Ministro Pistarini

Wed 7/8

4:50 pm-5:08 pm

2 stops26h 18m

$959

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 6/2

8:56 pm-6:45 am

3 stops31h 49m

Buenos Aires Ministro Pistarini

Thu 6/25

7:10 am-10:15 am

3 stops29h 05m

$1,002

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Tue 6/2

8:56 pm-6:45 am

3 stops31h 49m

Buenos Aires Ministro Pistarini

Wed 6/24

2:30 am-4:53 pm

2 stops16h 23m

$1,006

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Wed 7/1

8:56 pm-3:00 am

3 stops28h 04m

Buenos Aires Ministro Pistarini

Wed 7/8

7:35 am-10:15 am

3 stops28h 40m

$1,021

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Sun 6/14

8:56 pm-8:15 am

3 stops33h 19m

Buenos Aires Ministro Pistarini

Sun 6/21

7:10 am-10:15 am

3 stops29h 05m

$1,041
Quickest round-trip

San AntonioBuenos Aires

SAT - EZE

SATEZE

San Antonio

Thu 7/9

6:16 pm-9:45 am

1 stop13h 29m

Buenos Aires Ministro Pistarini

Thu 7/23

8:10 pm-11:09 am

1 stop16h 59m

$1,083

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Tue 11/10

8:00 am-7:40 am

2 stops20h 40m

Buenos Aires Jorge Newbery

Thu 12/3

5:05 pm-11:26 am

2 stops21h 21m

$1,097

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Sun 11/15

6:15 pm-4:00 pm

2 stops42h 45m

Buenos Aires Jorge Newbery

Tue 12/1

8:05 pm-2:39 pm

2 stops21h 34m

$1,107

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Sun 8/16

5:20 am-7:40 am

2 stops24h 20m

Buenos Aires Jorge Newbery

Sun 8/23

8:40 am-11:10 am

2 stops28h 30m

$1,129

San AntonioBuenos Aires

SAT - AEP

SATAEP

San Antonio

Sun 11/15

6:15 pm-4:00 pm

2 stops42h 45m

Buenos Aires Jorge Newbery

Fri 12/4

5:05 pm-9:54 am

2 stops19h 49m

$1,147

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 April. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, 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 April, still average around $585.

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

14h 15m

Direct flights

None
The fastest flight from San Antonio to Buenos Aires takes 14h 15m
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

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. 14h 15m 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 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?

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