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Cheap flights from Buenos Aires to San José from $264

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 3/17. 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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0 bags

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Find the cheapest flights from Buenos Aires to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:45 am - 3:35 pm
EZE
-
SJO
10h 50m
1 stop
Multiple Airlines Logo
4:45 pm - 5:10 am
SJO
-
EZE
9h 25m
1 stop
$487Multiple Airlines
Fri, Mar 13 - Mon, Mar 23
LATAM Airlines Logo
8:00 am - 3:35 pm
EZE
-
SJO
10h 35m
1 stop
LATAM Airlines Logo
5:00 pm - 6:05 am
SJO
-
EZE
10h 05m
1 stop
$488LATAM Airlines
Thu, Mar 5 - Wed, Mar 11
LATAM Airlines Logo
4:05 am - 3:35 pm
EZE
-
SJO
14h 30m
1 stop
LATAM Airlines Logo
5:00 pm - 6:20 am
SJO
-
EZE
10h 20m
1 stop
$499LATAM Airlines
Wed, Mar 4 - Mon, Mar 16
LATAM Airlines Logo
10:30 pm - 3:35 pm
AEP
-
SJO
20h 05m
2 stops
LATAM Airlines Logo
5:00 pm - 7:55 am
SJO
-
AEP
11h 55m
1 stop
$509LATAM Airlines
Thu, Mar 5 - Wed, Mar 11
Multiple Airlines Logo
7:45 am - 3:35 pm
EZE
-
SJO
10h 50m
1 stop
Multiple Airlines Logo
4:45 pm - 5:10 am
SJO
-
EZE
9h 25m
1 stop
$510Multiple Airlines
Thu, Mar 5 - Mon, Mar 16
Multiple Airlines Logo
7:45 am - 3:35 pm
EZE
-
SJO
10h 50m
1 stop
Multiple Airlines Logo
9:25 am - 5:40 am
SJO
-
EZE
17h 15m
1 stop
$518Multiple Airlines
Sun, Mar 22 - Fri, Apr 3
Multiple Airlines Logo
7:35 am - 3:40 pm
EZE
-
SJO
11h 05m
1 stop
Multiple Airlines Logo
4:55 pm - 5:00 am
SJO
-
EZE
9h 05m
1 stop
$528Multiple Airlines
Wed, May 20 - Wed, Jun 3
Multiple Airlines Logo
7:35 am - 3:40 pm
EZE
-
SJO
11h 05m
1 stop
Multiple Airlines Logo
4:55 pm - 5:00 am
SJO
-
EZE
9h 05m
1 stop
$529Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
7:04 pm - 3:35 pm
EZE
-
SJO
23h 31m
2 stops
Multiple Airlines Logo
4:45 pm - 5:10 am
SJO
-
EZE
9h 25m
1 stop
$531Multiple Airlines
Thu, Mar 5 - Mon, Mar 16
LATAM Airlines Logo
8:00 am - 3:35 pm
EZE
-
SJO
10h 35m
1 stop
LATAM Airlines Logo
4:55 pm - 6:20 am
SJO
-
EZE
10h 25m
1 stop
$540LATAM Airlines
Wed, Mar 11 - Tue, Mar 31

Avianca flights from Buenos Aires to San José

Our best Avianca deals on Buenos Aires to San José flight tickets
Avianca
Mar 9
EZE6:15 amBuenos Aires Ministro Pistarini
9h 30m
1 stop
SJO12:45 pmSan José Juan Santamaria Intl
Mar 31
SJO5:00 pmSan José Juan Santamaria Intl
9h 05m
1 stop
EZE5:05 amBuenos Aires Ministro Pistarini
$574
Avianca
Jul 4
EZE7:10 amBuenos Aires Ministro Pistarini
11h 15m
1 stop
SJO3:25 pmSan José Juan Santamaria Intl
Jul 21
SJO4:00 pmSan José Juan Santamaria Intl
10h 40m
1 stop
EZE5:40 amBuenos Aires Ministro Pistarini
$576
Avianca
May 1
EZE4:50 pmBuenos Aires Ministro Pistarini
10h 05m
1 stop
SJO11:55 pmSan José Juan Santamaria Intl
May 7
SJO1:40 amSan José Juan Santamaria Intl
11h 00m
1 stop
EZE3:40 pmBuenos Aires Ministro Pistarini
$586

LATAM Airlines flights from Buenos Aires to San José

Our best LATAM Airlines deals on Buenos Aires to San José flight tickets
LATAM Airlines
Mar 5
EZE8:00 amBuenos Aires Ministro Pistarini
10h 35m
1 stop
SJO3:35 pmSan José Juan Santamaria Intl
Mar 11
SJO5:00 pmSan José Juan Santamaria Intl
10h 05m
1 stop
EZE6:05 amBuenos Aires Ministro Pistarini
$488
LATAM Airlines
Mar 4
EZE4:05 amBuenos Aires Ministro Pistarini
14h 30m
1 stop
SJO3:35 pmSan José Juan Santamaria Intl
Mar 16
SJO5:00 pmSan José Juan Santamaria Intl
10h 20m
1 stop
EZE6:20 amBuenos Aires Ministro Pistarini
$499
LATAM Airlines
Mar 5
AEP10:30 pmBuenos Aires Jorge Newbery
20h 05m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
Mar 11
SJO5:00 pmSan José Juan Santamaria Intl
11h 55m
1 stop
AEP7:55 amBuenos Aires Jorge Newbery
$509

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to San José 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 February 3, 2026.
Use the filters below to find and compare flights from Buenos Aires to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Fri 3/13

7:45 am-3:35 pm

1 stop10h 50m

San José Juan Santamaria Intl

Mon 3/23

4:45 pm-5:10 am

1 stop9h 25m

$487

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Thu 3/5

8:00 am-3:35 pm

1 stop10h 35m

San José Juan Santamaria Intl

Wed 3/11

5:00 pm-6:05 am

1 stop10h 05m

$488

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Wed 3/4

4:05 am-3:35 pm

1 stop14h 30m

San José Juan Santamaria Intl

Mon 3/16

5:00 pm-6:20 am

1 stop10h 20m

$499

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Thu 3/5

10:30 pm-3:35 pm

2 stops20h 05m

San José Juan Santamaria Intl

Wed 3/11

5:00 pm-7:55 am

1 stop11h 55m

$509

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Thu 3/5

7:45 am-3:35 pm

1 stop10h 50m

San José Juan Santamaria Intl

Mon 3/16

4:45 pm-5:10 am

1 stop9h 25m

$510

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Sun 3/22

7:45 am-3:35 pm

1 stop10h 50m

San José Juan Santamaria Intl

Fri 4/3

9:25 am-5:40 am

1 stop17h 15m

$518

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Wed 5/20

7:35 am-3:40 pm

1 stop11h 05m

San José Juan Santamaria Intl

Wed 6/3

4:55 pm-5:00 am

1 stop9h 05m

$528

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Mon 4/20

7:35 am-3:40 pm

1 stop11h 05m

San José Juan Santamaria Intl

Mon 4/27

4:55 pm-5:00 am

1 stop9h 05m

$529

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Thu 3/5

7:04 pm-3:35 pm

2 stops23h 31m

San José Juan Santamaria Intl

Mon 3/16

4:45 pm-5:10 am

1 stop9h 25m

$531

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Wed 3/11

8:00 am-3:35 pm

1 stop10h 35m

San José Juan Santamaria Intl

Tue 3/31

4:55 pm-6:20 am

1 stop10h 25m

$540

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 San José from

How to get the cheapest flight ticket from Buenos Aires to San José

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 San José?

In general, November is the cheapest month to fly from Buenos Aires to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $509. If you don’t want to visit San José in November, then you should wait until September to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $520.

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

On average, the least expensive day to fly to San José from Buenos Aires is on a Sunday. momondo users have found tickets for Sunday departures for as low as $692. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Buenos Aires to San José on a Tuesday will generally be more expensive and average around $848. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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?

You are more likely to see cheaper flights to San José from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $631 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Buenos Aires for as low as $575 on momondo.

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

There are 2 cabin classes 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.

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

As of February 2026, prices for Buenos Aires to San José flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Buenos Aires to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to San José 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 (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

Best Price Found

$677

Fastest flight time

9h 30m

Direct flights

Tue, Thu, Fri, Sat and Sun

Airports in San José

1 airport
The best flight deal from Buenos Aires to San José found on momondo in the last 72 hours is $677
The fastest flight from Buenos Aires to San José takes 9h 30m
Direct flights go from Buenos Aires to San José on Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in San José. From Buenos Aires there are direct flights to San José Juan Santamaria Intl (SJO).
Search flight deals

  • 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?

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

Best airlines flying from Buenos Aires to San José

Compare and see reviews for airlines that fly from Buenos Aires to San José with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $274Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $454Free CancellationRating
7.5
1,918 reviews
Search LATAM Airlines flights
AviancaPriceFrom $466Free CancellationRating
6.5
2,498 reviews
Search Avianca flights

  • Avianca Flights From Buenos Aires to San José

    Avianca is one of the most popular airlines flying from Buenos Aires to San José, operating 2 flights/week on average for this route. A good Avianca flight deal for Buenos Aires to San José starts from $466 round-trip, up to an average price of $688. Our users have rated Avianca at 6.5/10.

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Dominical
San Gerardo de Dota
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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