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Cheap flights from San Jose, California to Buenos Aires from $648

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 Jose, California to Buenos Aires departing on 1/27. 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 Jose, California to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:30 am - 6:40 pm
SJC
-
AEP
26h 10m3 stops
Multiple Airlines Logo
8:25 pm - 9:50 am
AEP
-
SJC
41h 25m3 stops
$1,238Multiple Airlines
Mon, Feb 9 - Sun, Mar 15
Multiple Airlines Logo
11:30 am - 4:00 pm
SJC
-
AEP
23h 30m3 stops
Multiple Airlines Logo
8:25 pm - 9:50 am
AEP
-
SJC
41h 25m3 stops
$1,268Multiple Airlines
Tue, Feb 10 - Sun, Mar 15
LATAM Airlines Logo
10:30 pm - 7:40 am
SJC
-
AEP
29h 10m2 stops
LATAM Airlines Logo
8:05 pm - 10:53 am
AEP
-
SJC
42h 48m2 stops
$1,293LATAM Airlines
Fri, May 1 - Sun, May 10
LATAM Airlines Logo
9:16 am - 2:40 pm
SJC
-
AEP
25h 24m2 stops
LATAM Airlines Logo
3:40 pm - 12:54 pm
AEP
-
SJC
25h 14m2 stops
$1,298LATAM Airlines
Wed, Mar 11 - Mon, Mar 23
LATAM Airlines Logo
7:00 am - 7:40 am
SJC
-
AEP
20h 40m2 stops
LATAM Airlines Logo
8:05 pm - 10:53 am
AEP
-
SJC
18h 48m2 stops
$1,306LATAM Airlines
Fri, May 1 - Sat, May 9
LATAM Airlines Logo
7:00 am - 7:55 am
SJC
-
AEP
19h 55m2 stops
LATAM Airlines Logo
11:30 am - 1:05 pm
AEP
-
SJC
30h 35m2 stops
$1,370LATAM Airlines
Wed, Jan 14 - Sat, Jan 31
LATAM Airlines Logo
5:05 pm - 4:00 pm
SJC
-
AEP
17h 55m2 stops
LATAM Airlines Logo
5:15 pm - 9:35 pm
AEP
-
SJC
32h 20m2 stops
$1,378LATAM Airlines
Mon, Feb 9 - Mon, Mar 16
LATAM Airlines Logo
5:05 pm - 6:40 pm
SJC
-
AEP
20h 35m2 stops
LATAM Airlines Logo
6:20 pm - 1:05 pm
AEP
-
SJC
23h 45m2 stops
$1,386LATAM Airlines
Sun, Jan 25 - Sun, Feb 1
LATAM Airlines Logo
7:00 am - 10:30 am
SJC
-
AEP
22h 30m2 stops
LATAM Airlines Logo
12:40 pm - 1:05 pm
AEP
-
SJC
29h 25m3 stops
$1,416LATAM Airlines
Fri, Jan 23 - Tue, Jan 27
LATAM Airlines Logo
7:00 am - 11:45 am
SJC
-
AEP
23h 45m3 stops
LATAM Airlines Logo
8:25 pm - 1:05 pm
AEP
-
SJC
21h 40m2 stops
$1,450LATAM Airlines
Wed, Jan 14 - Sat, Jan 31

LATAM Airlines flights from San Jose, California to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on San Jose, California to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
May 1
SJC10:30 pmSan Jose
29h 10m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
May 10
AEP8:05 pmBuenos Aires Jorge Newbery
42h 48m
2 stops
SJC10:53 amSan Jose
$1,293
Find similar
LATAM Airlines
Mar 11
SJC9:16 amSan Jose
25h 24m
2 stops
AEP2:40 pmBuenos Aires Jorge Newbery
Mar 23
AEP3:40 pmBuenos Aires Jorge Newbery
25h 14m
2 stops
SJC12:54 pmSan Jose
$1,298
Find similar
LATAM Airlines
May 1
SJC7:00 amSan Jose
20h 40m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
May 9
AEP8:05 pmBuenos Aires Jorge Newbery
18h 48m
2 stops
SJC10:53 amSan Jose
$1,306
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California to Buenos Aires Jorge Newbery Airport 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 December 11, 2025.
Use the filters below to find and compare flights from San Jose, California to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Mon 2/9

11:30 am-6:40 pm

3 stops26h 10m

Buenos Aires Jorge Newbery

Sun 3/15

8:25 pm-9:50 am

3 stops41h 25m

$1,238

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Tue 2/10

11:30 am-4:00 pm

3 stops23h 30m

Buenos Aires Jorge Newbery

Sun 3/15

8:25 pm-9:50 am

3 stops41h 25m

$1,268

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 5/1

10:30 pm-7:40 am

2 stops29h 10m

Buenos Aires Jorge Newbery

Sun 5/10

8:05 pm-10:53 am

2 stops42h 48m

$1,293

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Wed 3/11

9:16 am-2:40 pm

2 stops25h 24m

Buenos Aires Jorge Newbery

Mon 3/23

3:40 pm-12:54 pm

2 stops25h 14m

$1,298

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 5/1

7:00 am-7:40 am

2 stops20h 40m

Buenos Aires Jorge Newbery

Sat 5/9

8:05 pm-10:53 am

2 stops18h 48m

$1,306

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Wed 1/14

7:00 am-7:55 am

2 stops19h 55m

Buenos Aires Jorge Newbery

Sat 1/31

11:30 am-1:05 pm

2 stops30h 35m

$1,370

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Mon 2/9

5:05 pm-4:00 pm

2 stops17h 55m

Buenos Aires Jorge Newbery

Mon 3/16

5:15 pm-9:35 pm

2 stops32h 20m

$1,378

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Sun 1/25

5:05 pm-6:40 pm

2 stops20h 35m

Buenos Aires Jorge Newbery

Sun 2/1

6:20 pm-1:05 pm

2 stops23h 45m

$1,386

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 1/23

7:00 am-10:30 am

2 stops22h 30m

Buenos Aires Jorge Newbery

Tue 1/27

12:40 pm-1:05 pm

3 stops29h 25m

$1,416

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Wed 1/14

7:00 am-11:45 am

3 stops23h 45m

Buenos Aires Jorge Newbery

Sat 1/31

8:25 pm-1:05 pm

2 stops21h 40m

$1,450

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 Jose, California to Buenos Aires Jorge Newbery Airport

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 cheapest airline that flies from San Jose to Buenos Aires Jorge Newbery?

LATAM Airlines is the most popular carrier operating from San Jose to Buenos Aires Jorge Newbery

When to book flights from San Jose, California to Buenos Aires Jorge Newbery Airport

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

Cheap San Jose, California to Buenos Aires Jorge Newbery Airport (SJC to AEP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose, California to Buenos Aires Jorge Newbery Airport

Fastest flight time

20h 15m

Direct flights

None
The fastest flight from San Jose, California to Buenos Aires Jorge Newbery Airport takes 20h 15m
There are no direct flights from San Jose, California to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from San Jose, California to Buenos Aires Jorge Newbery Airport.
Search flight deals

  • How far is San Jose to Buenos Aires Jorge Newbery by plane?

    There are 6418.2 mi between San Jose and Buenos Aires Jorge Newbery. Flights usually cover this in 20h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Jose Airport to Buenos Aires Jorge Newbery Airport were last updated today.

  • How old do you have to be to fly from San Jose Airport to Buenos Aires Jorge Newbery Airport?

    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 Jose Airport to Buenos Aires Jorge Newbery Airport.

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

    The required travel and health documents for your Buenos Aires Jorge Newbery Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Jorge Newbery Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

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

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from San Jose.

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

Yes. momondo can track prices for San Jose to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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