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Cheap flights from Buenos Aires to San José from $271

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to San José departing on 9/25. 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

LATAM Airlines Logo
9:05 pm - 3:35 pmAEP-SJO
21h 30m2 stops
LATAM Airlines Logo
5:00 pm - 4:05 pmSJO-AEP
20h 05m1 stop
$483LATAM Airlines
Find Deal
Sun, Sep 28 - Wed, Oct 1
Multiple Airlines Logo
2:30 am - 10:05 amEZE-SJO
10h 35m1 stop
Multiple Airlines Logo
5:00 pm - 11:45 amSJO-EZE
15h 45m2 stops
$483Multiple Airlines
Find Deal
Mon, Oct 13 - Tue, Oct 21
Avianca Logo
6:15 am - 12:45 pmEZE-SJO
9h 30m1 stop
Avianca Logo
9:45 am - 12:35 amSJO-EZE
11h 50m1 stop
$487Avianca
Find Deal
Thu, Dec 4 - Thu, Dec 11
LATAM Airlines Logo
9:05 pm - 3:35 pmAEP-SJO
21h 30m2 stops
LATAM Airlines Logo
5:00 pm - 4:05 pmSJO-AEP
20h 05m1 stop
$487LATAM Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
Avianca Logo
4:55 pm - 12:15 amEZE-SJO
10h 20m1 stop
Avianca Logo
4:15 pm - 5:50 amSJO-EZE
10h 35m1 stop
$488Avianca
Find Deal
Mon, Dec 8 - Mon, Dec 15
Copa Airlines Logo
3:47 am - 4:34 pmEZE-SJO
15h 47m1 stop
Copa Airlines Logo
10:08 am - 12:53 amSJO-EZE
11h 45m1 stop
$489Copa Airlines
Find Deal
Mon, Oct 20 - Tue, Nov 4
LATAM Airlines Logo
9:05 pm - 3:35 pmAEP-SJO
21h 30m2 stops
LATAM Airlines Logo
5:00 pm - 9:40 amSJO-AEP
13h 40m2 stops
$502LATAM Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Copa Airlines Logo
3:47 am - 1:54 pmEZE-SJO
13h 07m1 stop
Copa Airlines Logo
10:58 am - 12:55 amSJO-EZE
10h 57m1 stop
$522Copa Airlines
Find Deal
Sun, Oct 12 - Wed, Oct 22
GOL Logo
9:00 am - 7:10 pmAEP-SJO
13h 10m1 stop
GOL Logo
8:25 pm - 12:40 pmSJO-AEP
13h 15m1 stop
$522GOL
Find Deal
Tue, Oct 14 - Tue, Oct 21
GOL Logo
9:00 am - 7:40 pmAEP-SJO
13h 40m1 stop
GOL Logo
8:55 pm - 5:20 pmSJO-AEP
17h 25m1 stop
$539GOL
Find Deal
Thu, Dec 4 - Thu, Dec 11

LATAM Airlines flights from Buenos Aires to San José, San José Province

Our best LATAM Airlines deals on Buenos Aires to San José, San José Province flight tickets
LATAM Airlines
Sep 28
AEP9:05 pmBuenos Aires Jorge Newbery
21h 30m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
Oct 1
SJO5:00 pmSan José Juan Santamaria Intl
20h 05m
1 stop
AEP4:05 pmBuenos Aires Jorge Newbery
$483
Find similar
LATAM Airlines
Oct 16
AEP9:05 pmBuenos Aires Jorge Newbery
21h 30m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
Oct 23
SJO5:00 pmSan José Juan Santamaria Intl
20h 05m
1 stop
AEP4:05 pmBuenos Aires Jorge Newbery
$487
Find similar
LATAM Airlines
Oct 14
AEP9:05 pmBuenos Aires Jorge Newbery
21h 30m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
Oct 21
SJO5:00 pmSan José Juan Santamaria Intl
13h 40m
2 stops
AEP9:40 amBuenos Aires Jorge Newbery
$502
Find similar

GOL flights from Buenos Aires to San José, San José Province

Our best GOL deals on Buenos Aires to San José, San José Province flight tickets
GOL
Oct 14
AEP9:00 amBuenos Aires Jorge Newbery
13h 10m
1 stop
SJO7:10 pmSan José Juan Santamaria Intl
Oct 21
SJO8:25 pmSan José Juan Santamaria Intl
13h 15m
1 stop
AEP12:40 pmBuenos Aires Jorge Newbery
$522
Find similar
GOL
Dec 4
AEP9:00 amBuenos Aires Jorge Newbery
13h 40m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
Dec 11
SJO8:55 pmSan José Juan Santamaria Intl
17h 25m
1 stop
AEP5:20 pmBuenos Aires Jorge Newbery
$539
Find similar
GOL
Dec 1
AEP1:40 pmBuenos Aires Jorge Newbery
33h 00m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
Mar 10
SJO8:55 pmSan José Juan Santamaria Intl
17h 25m
1 stop
AEP5:20 pmBuenos Aires Jorge Newbery
$542
Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Sun 9/28

9:05 pm-3:35 pm

2 stops21h 30m

San José Juan Santamaria Intl

Wed 10/1

5:00 pm-4:05 pm

1 stop20h 05m

$483

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Mon 10/13

2:30 am-10:05 am

1 stop10h 35m

San José Juan Santamaria Intl

Tue 10/21

5:00 pm-11:45 am

2 stops15h 45m

$483

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Thu 12/4

6:15 am-12:45 pm

1 stop9h 30m

San José Juan Santamaria Intl

Thu 12/11

9:45 am-12:35 am

1 stop11h 50m

$487

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Thu 10/16

9:05 pm-3:35 pm

2 stops21h 30m

San José Juan Santamaria Intl

Thu 10/23

5:00 pm-4:05 pm

1 stop20h 05m

$487

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Mon 12/8

4:55 pm-12:15 am

1 stop10h 20m

San José Juan Santamaria Intl

Mon 12/15

4:15 pm-5:50 am

1 stop10h 35m

$488

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Mon 10/20

3:47 am-4:34 pm

1 stop15h 47m

San José Juan Santamaria Intl

Tue 11/4

10:08 am-12:53 am

1 stop11h 45m

$489

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Tue 10/14

9:05 pm-3:35 pm

2 stops21h 30m

San José Juan Santamaria Intl

Tue 10/21

5:00 pm-9:40 am

2 stops13h 40m

$502

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Sun 10/12

3:47 am-1:54 pm

1 stop13h 07m

San José Juan Santamaria Intl

Wed 10/22

10:58 am-12:55 am

1 stop10h 57m

$522

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Tue 10/14

9:00 am-7:10 pm

1 stop13h 10m

San José Juan Santamaria Intl

Tue 10/21

8:25 pm-12:40 pm

1 stop13h 15m

$522

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Thu 12/4

9:00 am-7:40 pm

1 stop13h 40m

San José Juan Santamaria Intl

Thu 12/11

8:55 pm-5:20 pm

1 stop17h 25m

$539

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 Buenos Aires to San José, San José Province

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 Buenos Aires and San José, San José Province?

What is the cheapest month to fly to San José, San José Province?

The month of September is, on average, the cheapest month to fly to San José, San José Province from Buenos Aires, with most prices found around $525. If you’re not able to fly to San José, San José Province in September, then November is your next best option. Flight prices from Buenos Aires to San José, San José Province during November average around $548.

What is the cheapest day to depart on your flight to San José, San José Province?

The cheapest day to depart from Buenos Aires to San José, San José Province is on a Tuesday when prices can be found for as low as $617. The most expensive day to fly to San José, San José Province is Monday, with ticket prices averaging around $1,017.

What is the cheapest time of day to depart on your flight to San José, San José Province?

At noon is the cheapest time of day to fly from Buenos Aires to San José, San José Province when you can find flight prices for as low as $545. Flying to San José, San José Province at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $758 per ticket.

What is the cheapest Buenos Aires to San José Juan Santamaria Intl flight route?

Fly from Buenos Aires Ministro Pistarini to San José Juan Santamaria Intl for the best Buenos Aires - San José Juan Santamaria Intl flight prices

How far in advance should I book a flight to San José, San José Province?

You are more likely to see cheaper flights to San José, San José Province from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $682 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from Buenos Aires for as low as $587 on momondo.

What cabin class options are available on Buenos Aires to San José Juan Santamaria Intl flights?

There is only 1 cabin class available to choose from on Buenos Aires to San José Juan Santamaria Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 27% on your flight if you consider stops on a Buenos Aires to San José, San José Province flight.

How have Buenos Aires to San José, San José Province flight prices changed over time?

As of September 2025, prices for Buenos Aires to San José, San José Province flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Buenos Aires to San José, San José Province

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

Cheap Buenos Aires to San José, San José Province (BUE to SJO) flight deals and tips

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

Best Price Found

$296

Fastest flight time

9h 30m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in San José, San José Province

1 airport
The best one-way flight to San José, San José Province from Buenos Aires in the past 72 hours is $296. The best round-trip flight deal from Buenos Aires to San José, San José Province found on momondo in the last 72 hours is $717.
The fastest flight from Buenos Aires to San José, San José Province takes 9h 30m
Direct flights go from Buenos Aires to San José, San José Province on Monday, Tuesday, Friday, Saturday and Sunday. The only airline offering direct flights is Avianca.
There is 1 airport near San José, San José Province: San José Juan Santamaria Intl (SJO)
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  • How far is Buenos Aires to San José Juan Santamaria Intl by plane?

    Buenos Aires and San José Juan Santamaria Intl are 3505.7 mi apart from one another. Flights usually cover this in 9h 30m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Buenos Aires to San José Juan Santamaria Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents you'll need for your trip to San José Juan Santamaria Intl Airport 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 San José Juan Santamaria Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Buenos Aires to San José, San José Province?

  • What is the most popular airline from Buenos Aires to San José, San José Province?

Best airlines flying from Buenos Aires to San José, San José Province

Compare and see reviews for airlines that fly from Buenos Aires to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $396Free CancellationRating
7.6
1,531 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $476Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
AviancaPriceFrom $488Free CancellationRating
6.7
2,435 reviews
Search Avianca flights

  • Avianca Flights From Buenos Aires to San José, San José Province

    Avianca is one of the most popular airlines flying from Buenos Aires to San José, San José Province, operating 2 flights/week on average for this route. A good Avianca flight deal for Buenos Aires to San José, San José Province starts from $488 round-trip, up to an average price of $674. Our users have rated Avianca at 6.7/10.

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

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

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 Buenos Aires to San José for you.

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

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

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

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 San José from Buenos Aires.

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

If you are not ready to book a flight from Buenos Aires to San José now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San José and let you know when they change.

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