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San José

$262+ Cheap flights from Buenos Aires (BUE) to San José (SJO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — SJO
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
1 adult, Economy
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Cheapflights Tip: The best prices from Buenos Aires to San José Juan Santamaria Intl are usually found in November or September, booked 11 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Buenos Aires to San José

Cheapest flights from Buenos Aires to San José
Explore the most affordable flight options available from Buenos Aires to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 27, 2026.

This LATAM Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:40 am
EZE
-
SJO
1 stop10h 00m
LATAM Airlines
Mon 6/14:55 pm
SJO
-
EZE
1 stop11h 45m
LATAM Airlines
Deal found 2/24$477
This LATAM Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:55 am
EZE
-
SJO
1 stop14h 45m
LATAM Airlines
Tue 6/24:55 pm
SJO
-
EZE
1 stop11h 45m
LATAM Airlines
Deal found 2/24$499
This LATAM Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:55 am
EZE
-
SJO
2 stops30h 45m
LATAM Airlines
Tue 6/24:55 pm
SJO
-
EZE
2 stops15h 35m
LATAM Airlines
Deal found 2/23$510
This Super.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:55 am
EZE
-
SJO
1 stop14h 45m
LATAM Airlines
Tue 8/44:55 pm
SJO
-
EZE
1 stop30h 50m
LATAM Airlines
Deal found 2/26$517
This LATAM Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:55 am
EZE
-
SJO
1 stop14h 45m
LATAM Airlines
Wed 8/54:55 pm
SJO
-
EZE
2 stops17h 05m
LATAM Airlines
Deal found 2/26$522
This LATAM Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:21 pm
EZE
-
SJO
2 stops23h 19m
LATAM Airlines
Sat 4/254:55 pm
SJO
-
EZE
1 stop10h 25m
LATAM Airlines
Deal found 2/25$526
This LATAM Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1712:15 pm
EZE
-
SJO
2 stops30h 25m
LATAM Airlines
Thu 6/44:55 pm
SJO
-
EZE
2 stops15h 35m
LATAM Airlines
Deal found 2/25$532
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:40 am
EZE
-
SJO
1 stop10h 00m
Multiple Airlines
Wed 6/31:50 am
SJO
-
EZE
1 stop10h 50m
Multiple Airlines
Deal found 2/25$535
This LATAM Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:40 am
EZE
-
SJO
1 stop10h 00m
LATAM Airlines
Mon 6/14:55 pm
SJO
-
EZE
1 stop11h 45m
LATAM Airlines
Deal found 2/23$536
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:40 am
EZE
-
SJO
1 stop10h 00m
Multiple Airlines
Sun 5/314:55 pm
SJO
-
EZE
1 stop9h 05m
Multiple Airlines
Deal found 2/25$537
This Booking.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:05 pm
AEP
-
SJO
1 stop22h 35m
LATAM Airlines
Wed 6/104:55 pm
SJO
-
AEP
1 stop11h 45m
LATAM Airlines
Deal found 2/26$556
This Super.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:30 pm
AEP
-
SJO
2 stops20h 10m
LATAM Airlines
Wed 8/54:55 pm
SJO
-
AEP
2 stops15h 45m
LATAM Airlines
Deal found 2/26$560

Find flight deals from Buenos Aires to San José

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$477
(LATAM Airlines)

One-way from

$262
(FlightHub)

Popular in

January

Cheapest in

November

Average price

$657

Good round-trip deal

$661 or less
Provider with most accurate pricing for Buenos Aires (BUE)-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-San José Juan Santamaria Intl flights.
Search Deals
From Buenos Aires (BUE) to San José Juan Santamaria Intl
Search Deals
One-way flight from Buenos Aires (BUE) to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Buenos Aires (BUE) to San José Juan Santamaria Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 27, 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

Wed 4/15

5:34 am-1:52 pm

1 stop11h 18m

San José Juan Santamaria Intl

Mon 6/15

8:47 am-4:20 am

1 stop16h 33m

$555

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Tue 7/28

10:30 pm-3:40 pm

2 stops20h 10m

San José Juan Santamaria Intl

Tue 8/4

4:55 pm-10:10 am

2 stops14h 15m

$575

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Sat 3/14

10:30 pm-3:35 pm

2 stops20h 05m

San José Juan Santamaria Intl

Tue 3/24

5:00 pm-10:30 am

2 stops14h 30m

$580

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Tue 5/19

3:48 am-1:53 pm

1 stop13h 05m

San José Juan Santamaria Intl

Mon 6/1

10:05 am-10:27 pm

1 stop9h 22m

$588

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Thu 5/21

5:25 am-7:01 pm

1 stop16h 36m

San José Juan Santamaria Intl

Wed 6/3

8:47 am-12:52 am

1 stop13h 05m

$588

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Fri 5/1

5:25 am-1:53 pm

1 stop11h 28m

San José Juan Santamaria Intl

Fri 5/8

8:47 am-4:20 am

1 stop16h 33m

$588

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Tue 5/26

3:48 am-4:51 pm

1 stop16h 03m

San José Juan Santamaria Intl

Wed 6/10

5:47 am-12:52 am

1 stop16h 05m

$588

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Fri 6/12

5:25 am-9:47 pm

1 stop19h 22m

San José Juan Santamaria Intl

Sat 6/20

2:50 pm-4:20 am

1 stop10h 30m

$588

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Sun 5/17

9:25 am-3:40 pm

2 stops33h 15m

San José Juan Santamaria Intl

Thu 6/4

4:55 pm-4:00 pm

1 stop20h 05m

$598

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Sun 5/17

3:45 pm-3:40 pm

2 stops26h 55m

San José Juan Santamaria Intl

Mon 6/1

4:55 pm-11:40 am

2 stops15h 45m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 36 resultsSorted by cheapest first
1
2
3
4
  • Most accurate provider: When it comes to deals on Buenos Aires-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buenos Aires-San José flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buenos Aires-San José flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buenos Aires-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buenos Aires to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Buenos Aires with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buenos Aires to San José

How far ahead should I book a flight from Buenos Aires to San José?

Use this chart to determine the optimal time to book a round-trip flight from Buenos Aires to San José. Price data was last updated on February 20, 2026.

The best time to book flights from Buenos Aires to San José is 11 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Buenos Aires to San José?

Currently, May is the cheapest month in which you can book a flight from Buenos Aires to San José (average of $270). Flying from Buenos Aires to San José in July is currently the most expensive (average of $454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUE to SJO?

Find hourly flight availability from Buenos Aires to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 27, 2026.

When flying from Buenos Aires to San José, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Buenos Aires to San José?

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated February 27, 2026.
Get a feel of what it's like to fly with LATAM Airlines, Copa Airlines, and GOL from Buenos Aires to San José by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,922 reviews

Boarding

7.5

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
LATAM Airlines
7.5
Good
1,922 reviews
LATAM Airlines
7.5
Good
1,922 reviews

Boarding

7.5

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Copa Airlines
7.5
Good
1,557 reviews
LATAM Airlines
7.5
Good
1,922 reviews

Boarding

7.5

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
GOL
7.3
Good
1,176 reviews
LATAM Airlines
7.5
Good
1,922 reviews

Boarding

7.5

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
Avianca
6.6
Okay
2,497 reviews
LATAM Airlines
7.5
Good
1,922 reviews

Boarding

7.5

Food

6.7

Comfort

7.3

Overall

7.5

Crew

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San José from Buenos Aires?

    San José Juan Santamaria Intl (SJO) is the airport you will fly into if you book a flight from Buenos Aires to San José. You should not have trouble finding flights to Juan Santamaria Intl from Buenos Aires; the airport handles an average of 0 inbound flights from Buenos Aires per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the San José airport from Buenos Aires. It is only a 8.8 mi journey from Juan Santamaria Intl (SJO) to San José’s city center.

  • How long is the flight from Buenos Aires to San José?

    For as low as $555, Copa Airlines can have you in San José from Buenos Aires in 11h 18m. The distance from Buenos Aires to San José is about 3520 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Buenos Aires to San José round-trip?

    Our cheapest airline available from Buenos Aires to San José is Copa Airlines. Our recent data shows that you can find tickets from as low as $274 on this airline. Additional options worth looking into are LATAM Airlines and Avianca, starting at $454 and $466 round-trip. Copa Airlines is currently priced 54% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Buenos Aires to San José one-way?

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as $269. However, be on the lookout for offers from LATAM Airlines and Copa Airlines, as they are both options that can get you from Buenos Aires to San José for a low price.

  • What are the cheapest flights from Buenos Aires to San José?

    The cheapest flight price from Buenos Aires to San José is $608. On average you can expect to pay $692. The most popular route, (Buenos Aires Ministro Pistarini - San José Juan Santamaria Intl), can usually be booked for $526.

  • Can I find deals for flights from Buenos Aires to San José that include hotel bookings?

    Yes. In addition to deals on Buenos Aires to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buenos Aires to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buenos Aires to San José.

  • Can I find deals for business class flights from Buenos Aires to San José?

    Yes. Cheapflights offers flight deals from Buenos Aires to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buenos Aires to San José?

    Currently, May is the cheapest month in which you can book a flight from Buenos Aires to San José (average of $270). Flying from Buenos Aires to San José in July is currently the most expensive (average of $454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San José?

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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to San José by adding a car rental and/or hotel reservation to your travel itinerary.
Liberia car rentals

Top 3 airlines flying from Buenos Aires to San José

Discover the top 3 airlines that operate flights from Buenos Aires to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$274Average$664FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$454Average$571FlexibilityNo cancel feeOn-time81%
AviancaCheapest$466Average$688FlexibilityNo cancel feeOn-time71%

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