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Cheap flights from San José to Buenos Aires from $209

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 José to Buenos Aires departing on 11/15. 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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Cheap round-trip flights

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LATAM Airlines Logo
5:00 pm - 7:55 amSJO-AEP
11h 55m1 stop
LATAM Airlines Logo
10:30 pm - 3:35 pmAEP-SJO
20h 05m2 stops
$415LATAM Airlines
Find Deal
Sun, Oct 26 - Tue, Oct 28
Avianca Logo
7:55 am - 5:40 amSJO-AEP
18h 45m1 stop
Avianca Logo
7:00 am - 3:20 pmAEP-SJO
11h 20m1 stop
$416Avianca
Find Deal
Mon, Nov 17 - Mon, Nov 24
LATAM Airlines Logo
5:00 pm - 4:00 pmSJO-AEP
20h 00m1 stop
LATAM Airlines Logo
8:40 am - 3:35 pmAEP-SJO
33h 55m2 stops
$422LATAM Airlines
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Mon, Mar 23 - Mon, Mar 30
LATAM Airlines Logo
5:00 pm - 7:55 amSJO-AEP
11h 55m1 stop
LATAM Airlines Logo
10:30 pm - 3:35 pmAEP-SJO
20h 05m2 stops
$437LATAM Airlines
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Tue, Mar 24 - Sat, Mar 28
Multiple Airlines Logo
12:58 pm - 10:30 amSJO-AEP
18h 32m2 stops
Multiple Airlines Logo
10:30 pm - 3:35 pmAEP-SJO
20h 05m2 stops
$441Multiple Airlines
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Mon, Mar 9 - Mon, Mar 23
LATAM Airlines Logo
5:00 pm - 4:00 pmSJO-AEP
20h 00m1 stop
LATAM Airlines Logo
5:15 pm - 3:35 pmAEP-SJO
25h 20m1 stop
$444LATAM Airlines
Find Deal
Thu, Nov 27 - Tue, Dec 2
LATAM Airlines Logo
5:00 pm - 4:00 pmSJO-AEP
20h 00m1 stop
LATAM Airlines Logo
5:15 pm - 3:35 pmAEP-SJO
25h 20m1 stop
$446LATAM Airlines
Find Deal
Sun, Oct 26 - Tue, Oct 28
GOL Logo
8:55 pm - 12:40 pmSJO-AEP
12h 45m1 stop
GOL Logo
6:20 pm - 7:40 pmAEP-SJO
28h 20m1 stop
$470GOL
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Tue, Nov 4 - Wed, Nov 5
Multiple Airlines Logo
5:00 pm - 4:00 pmSJO-AEP
20h 00m1 stop
Multiple Airlines Logo
9:00 am - 7:40 pmAEP-SJO
13h 40m1 stop
$477Multiple Airlines
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Tue, Nov 4 - Tue, Nov 18
GOL Logo
8:55 pm - 12:40 pmSJO-AEP
12h 45m1 stop
GOL Logo
6:20 pm - 7:40 pmAEP-SJO
28h 20m1 stop
$480GOL
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Tue, Nov 4 - Wed, Nov 5

GOL flights from San José to Buenos Aires Jorge Newbery Airport

Our best GOL deals on San José to Buenos Aires Jorge Newbery Airport flight tickets
GOL
Nov 4
SJO8:55 pmSan José Juan Santamaria Intl
12h 45m
1 stop
AEP12:40 pmBuenos Aires Jorge Newbery
Nov 5
AEP6:20 pmBuenos Aires Jorge Newbery
28h 20m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
$470
Find similar
GOL
Nov 4
SJO8:55 pmSan José Juan Santamaria Intl
12h 45m
1 stop
AEP12:40 pmBuenos Aires Jorge Newbery
Nov 5
AEP6:20 pmBuenos Aires Jorge Newbery
28h 20m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
$480
Find similar
GOL
Oct 21
SJO8:25 pmSan José Juan Santamaria Intl
17h 55m
1 stop
AEP5:20 pmBuenos Aires Jorge Newbery
Oct 28
AEP9:00 amBuenos Aires Jorge Newbery
13h 40m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
$502
Find similar

Avianca flights from San José to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on San José to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
Oct 21
SJO4:45 pmSan José Juan Santamaria Intl
9h 55m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Oct 28
AEP7:00 amBuenos Aires Jorge Newbery
15h 15m
1 stop
SJO7:15 pmSan José Juan Santamaria Intl
$416
Find similar
Avianca
Nov 5
SJO4:15 pmSan José Juan Santamaria Intl
10h 25m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Nov 13
AEP7:00 amBuenos Aires Jorge Newbery
11h 20m
1 stop
SJO3:20 pmSan José Juan Santamaria Intl
$463
Find similar
Avianca
Nov 17
SJO7:55 amSan José Juan Santamaria Intl
18h 45m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Nov 24
AEP7:00 amBuenos Aires Jorge Newbery
20h 15m
1 stop
SJO12:15 amSan José Juan Santamaria Intl
$509
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José 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 October 16, 2025.
Use the filters below to find and compare flights from San José to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Sun 10/26

5:00 pm-7:55 am

1 stop11h 55m

Buenos Aires Jorge Newbery

Tue 10/28

10:30 pm-3:35 pm

2 stops20h 05m

$415

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Mon 11/17

7:55 am-5:40 am

1 stop18h 45m

Buenos Aires Jorge Newbery

Mon 11/24

7:00 am-3:20 pm

1 stop11h 20m

$416

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Mon 3/23

5:00 pm-4:00 pm

1 stop20h 00m

Buenos Aires Jorge Newbery

Mon 3/30

8:40 am-3:35 pm

2 stops33h 55m

$422

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Tue 3/24

5:00 pm-7:55 am

1 stop11h 55m

Buenos Aires Jorge Newbery

Sat 3/28

10:30 pm-3:35 pm

2 stops20h 05m

$437

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Mon 3/9

12:58 pm-10:30 am

2 stops18h 32m

Buenos Aires Jorge Newbery

Mon 3/23

10:30 pm-3:35 pm

2 stops20h 05m

$441

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Thu 11/27

5:00 pm-4:00 pm

1 stop20h 00m

Buenos Aires Jorge Newbery

Tue 12/2

5:15 pm-3:35 pm

1 stop25h 20m

$444

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Sun 10/26

5:00 pm-4:00 pm

1 stop20h 00m

Buenos Aires Jorge Newbery

Tue 10/28

5:15 pm-3:35 pm

1 stop25h 20m

$446

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Tue 11/4

8:55 pm-12:40 pm

1 stop12h 45m

Buenos Aires Jorge Newbery

Wed 11/5

6:20 pm-7:40 pm

1 stop28h 20m

$470

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Tue 11/4

5:00 pm-4:00 pm

1 stop20h 00m

Buenos Aires Jorge Newbery

Tue 11/18

9:00 am-7:40 pm

1 stop13h 40m

$477

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

Tue 11/4

8:55 pm-12:40 pm

1 stop12h 45m

Buenos Aires Jorge Newbery

Wed 11/5

6:20 pm-7:40 pm

1 stop28h 20m

$480

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from San José 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 month to fly to Buenos Aires Jorge Newbery Airport?

The cheapest month to fly to Buenos Aires Jorge Newbery Airport from San José is in May. Flight prices, which tend to average around $461, are often lower during this time because this is during the off-season. If you aren’t able to travel to Buenos Aires Jorge Newbery Airport during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $471.

What is the cheapest time of day to depart on your flight to Buenos Aires Jorge Newbery Airport?

Flying to Buenos Aires Jorge Newbery Airport from San José in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $606 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Buenos Aires Jorge Newbery Airport, so prices are often more expensive at around $699 per ticket.

How far in advance should I book a flight to Buenos Aires Jorge Newbery Airport?

You are more likely to see cheaper flights to Buenos Aires Jorge Newbery Airport from San José when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Jorge Newbery Airport for around $579 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires Jorge Newbery Airport from San José for as low as $489 on momondo.

Can stopping save me money on San José to Buenos Aires Jorge Newbery Airport flights?

You could potentially save up to 34% on your flight if you consider stops on a San José to Buenos Aires Jorge Newbery Airport flight.

When to book flights from San José to Buenos Aires Jorge Newbery Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San José 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 José to Buenos Aires Jorge Newbery Airport (SJO to AEP) flight deals and tips

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

Direct flights

None
There are no direct flights from San José to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from San José to Buenos Aires Jorge Newbery Airport.
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  • How far is San José Juan Santamaria Intl to Buenos Aires Jorge Newbery by plane?

    Buenos Aires Jorge Newbery is 3501.4 mi away from San José Juan Santamaria Intl. By plane, this route typically takes 10h 25m.

  • When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Buenos Aires Jorge Newbery Airport?

    Prices for flights from San José Juan Santamaria Intl Airport to Buenos Aires Jorge Newbery Airport were last updated today.

  • How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Buenos Aires Jorge Newbery Airport?

  • How old do you have to be to fly from San José Juan Santamaria Intl 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 José Juan Santamaria Intl Airport to Buenos Aires Jorge Newbery Airport.

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

    The necessary travel and health documents for your Buenos Aires Jorge Newbery Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San José to Buenos Aires Jorge Newbery Airport?

Best airlines flying from San José to Buenos Aires Jorge Newbery Airport

Compare and see reviews for airlines that fly from San José to Buenos Aires Jorge Newbery Airport with momondo
Airline
Rating
Free Cancellation
Price
GOLPriceFrom $399Free CancellationRating
7.3
1,115 reviews
Search GOL flights
AviancaPriceFrom $566Free CancellationRating
6.6
2,452 reviews
Search Avianca flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San José to Buenos Aires for you.

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

Yes. momondo allows you to filter the results for San José to Buenos Aires flights to just show those with flexible booking policies.

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

Once you have performed a search for San José to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from San José and alert you when they change.

An easier way to manage your Buenos Aires Jorge Newbery Airport trip

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