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Cheap flights from San José, San José Province to Buenos Aires from $240

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, San José Province to Buenos Aires departing on 12/11. 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 José, San José Province to Buenos Aires

Cheap round-trip flights

LATAM Airlines Logo
5:00 pm - 4:05 pmSJO-AEP
20h 05m1 stop
LATAM Airlines Logo
9:05 pm - 3:35 pmAEP-SJO
21h 30m2 stops
$483LATAM Airlines
Find Deal
mié., oct. 1 - jue., oct. 16
Avianca Logo
4:15 pm - 5:40 amSJO-AEP
10h 25m1 stop
Avianca Logo
7:00 am - 7:15 pmAEP-SJO
15h 15m1 stop
$486Avianca
Find Deal
mar., nov. 4 - mar., nov. 11
LATAM Airlines Logo
5:00 pm - 4:05 pmSJO-AEP
20h 05m1 stop
LATAM Airlines Logo
9:05 pm - 3:35 pmAEP-SJO
21h 30m2 stops
$489LATAM Airlines
Find Deal
mié., oct. 1 - sáb., oct. 25
Logo
4:15 pm - 5:40 amSJO-AEP
10h 25m1 stop
Logo
9:05 pm - 3:35 pmAEP-SJO
21h 30m2 stops
$494
Find Deal
mar., nov. 4 - jue., nov. 13
LATAM Airlines Logo
5:00 pm - 9:40 amSJO-AEP
13h 40m2 stops
LATAM Airlines Logo
9:05 pm - 3:35 pmAEP-SJO
21h 30m2 stops
$498LATAM Airlines
Find Deal
jue., sep. 25 - dom., oct. 5
LATAM Airlines Logo
5:00 pm - 4:00 pmSJO-AEP
20h 00m1 stop
LATAM Airlines Logo
10:30 pm - 3:35 pmAEP-SJO
20h 05m2 stops
$500LATAM Airlines
Find Deal
mié., nov. 5 - lun., nov. 17
LATAM Airlines Logo
5:00 pm - 7:40 pmSJO-AEP
23h 40m2 stops
LATAM Airlines Logo
10:30 pm - 3:35 pmAEP-SJO
20h 05m2 stops
$504LATAM Airlines
Find Deal
mar., nov. 4 - mar., nov. 11
Logo
5:00 pm - 4:05 pmSJO-AEP
20h 05m1 stop
Logo
9:00 am - 7:10 pmAEP-SJO
13h 10m1 stop
$508
Find Deal
mié., oct. 1 - sáb., oct. 25
GOL Logo
8:25 pm - 12:40 pmSJO-AEP
13h 15m1 stop
GOL Logo
9:00 am - 7:40 pmAEP-SJO
13h 40m1 stop
$519GOL
Find Deal
mar., oct. 21 - mar., oct. 28
GOL Logo
8:55 pm - 12:40 pmSJO-AEP
12h 45m1 stop
GOL Logo
1:40 pm - 7:40 pmAEP-SJO
33h 00m1 stop
$520GOL
Find Deal
jue., nov. 6 - lun., nov. 17

LATAM Airlines flights from San José, San José Province to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on San José, San José Province to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Oct 1
SJO5:00 pmSan José Juan Santamaria Intl
20h 05m
1 stop
AEP4:05 pmBuenos Aires Jorge Newbery
Oct 16
AEP9:05 pmBuenos Aires Jorge Newbery
21h 30m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
$483
Find similar
LATAM Airlines
Oct 1
SJO5:00 pmSan José Juan Santamaria Intl
20h 05m
1 stop
AEP4:05 pmBuenos Aires Jorge Newbery
Oct 25
AEP9:05 pmBuenos Aires Jorge Newbery
21h 30m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
$489
Find similar
LATAM Airlines
Sep 25
SJO5:00 pmSan José Juan Santamaria Intl
13h 40m
2 stops
AEP9:40 amBuenos Aires Jorge Newbery
Oct 5
AEP9:05 pmBuenos Aires Jorge Newbery
21h 30m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
$498
Find similar

GOL flights from San José, San José Province to Buenos Aires Jorge Newbery Airport

Our best GOL deals on San José, San José Province to Buenos Aires Jorge Newbery Airport flight tickets
GOL
Oct 21
SJO8:25 pmSan José Juan Santamaria Intl
13h 15m
1 stop
AEP12:40 pmBuenos Aires Jorge Newbery
Oct 28
AEP9:00 amBuenos Aires Jorge Newbery
13h 40m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
$519
Find similar
GOL
Nov 6
SJO8:55 pmSan José Juan Santamaria Intl
12h 45m
1 stop
AEP12:40 pmBuenos Aires Jorge Newbery
Nov 17
AEP1:40 pmBuenos Aires Jorge Newbery
33h 00m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
$520
Find similar
GOL
Dec 2
SJO8:55 pmSan José Juan Santamaria Intl
12h 45m
1 stop
AEP12:40 pmBuenos Aires Jorge Newbery
Dec 11
AEP9:00 amBuenos Aires Jorge Newbery
13h 40m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
$558
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José, San José Province 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 septiembre 15, 2025.
Use the filters below to find and compare flights from San José, San José Province 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

mié. 10/1

5:00 pm-4:05 pm

1 stop20h 05m

Buenos Aires Jorge Newbery

jue. 10/16

9:05 pm-3:35 pm

2 stops21h 30m

$483

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

mar. 11/4

4:15 pm-5:40 am

1 stop10h 25m

Buenos Aires Jorge Newbery

mar. 11/11

7:00 am-7:15 pm

1 stop15h 15m

$486

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

mié. 10/1

5:00 pm-4:05 pm

1 stop20h 05m

Buenos Aires Jorge Newbery

sáb. 10/25

9:05 pm-3:35 pm

2 stops21h 30m

$489

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

mar. 11/4

4:15 pm-5:40 am

1 stop10h 25m

Buenos Aires Jorge Newbery

jue. 11/13

9:05 pm-3:35 pm

2 stops21h 30m

$494

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

jue. 9/25

5:00 pm-9:40 am

2 stops13h 40m

Buenos Aires Jorge Newbery

dom. 10/5

9:05 pm-3:35 pm

2 stops21h 30m

$498

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

mié. 11/5

5:00 pm-4:00 pm

1 stop20h 00m

Buenos Aires Jorge Newbery

lun. 11/17

10:30 pm-3:35 pm

2 stops20h 05m

$500

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

mar. 11/4

5:00 pm-7:40 pm

2 stops23h 40m

Buenos Aires Jorge Newbery

mar. 11/11

10:30 pm-3:35 pm

2 stops20h 05m

$504

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

mié. 10/1

5:00 pm-4:05 pm

1 stop20h 05m

Buenos Aires Jorge Newbery

sáb. 10/25

9:00 am-7:10 pm

1 stop13h 10m

$508

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

mar. 10/21

8:25 pm-12:40 pm

1 stop13h 15m

Buenos Aires Jorge Newbery

mar. 10/28

9:00 am-7:40 pm

1 stop13h 40m

$519

San JoséBuenos Aires

SJO - AEP

SJOAEP

San José Juan Santamaria Intl

jue. 11/6

8:55 pm-12:40 pm

1 stop12h 45m

Buenos Aires Jorge Newbery

lun. 11/17

1:40 pm-7:40 pm

1 stop33h 00m

$520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San José, San José Province 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, San José Province is in May. Flight prices, which tend to average around $457, 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, San José Province 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, San José Province when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Jorge Newbery Airport for around $580 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, San José Province for as low as $481 on momondo.

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

You could potentially save up to 33% on your flight if you consider stops on a San José, San José Province to Buenos Aires Jorge Newbery Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from San José, San José Province 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, San José Province 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, San José Province to Buenos Aires Jorge Newbery Airport

Direct flights

None
There are no direct flights from San José, San José Province to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from San José, San José Province 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 9h 55m.

  • 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, San José Province to Buenos Aires Jorge Newbery Airport?

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

Compare and see reviews for airlines that fly from San José, San José Province to Buenos Aires Jorge Newbery Airport with momondo
Airline
Rating
Free Cancellation
Price
GOLPriceFrom $399Free CancellationRating
7.3
1,105 reviews
Search GOL flights
AviancaPriceFrom $566Free CancellationRating
6.7
2,435 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.

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