Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buenos Aires to San José from $266

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 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Buenos Aires to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
6:15 am - 8:50 am
EZE
-
SJO
29h 35m
2 stops
Avianca Logo
4:55 pm - 5:00 am
SJO
-
EZE
9h 05m
1 stop
$522Avianca
Wed, Apr 29 - Sun, May 3
Avianca Logo
7:10 am - 8:50 am
EZE
-
SJO
28h 40m
1 stop
Avianca Logo
4:55 pm - 5:00 am
SJO
-
EZE
9h 05m
1 stop
$546Avianca
Wed, Apr 29 - Sun, May 3
LATAM Airlines Logo
3:55 am - 3:40 pm
EZE
-
SJO
14h 45m
1 stop
LATAM Airlines Logo
4:55 pm - 6:10 am
SJO
-
EZE
10h 15m
1 stop
$579LATAM Airlines
Thu, May 14 - Thu, May 28
LATAM Airlines Logo
7:45 am - 3:40 pm
EZE
-
SJO
10h 55m
1 stop
LATAM Airlines Logo
4:55 pm - 11:30 am
SJO
-
EZE
15h 35m
2 stops
$603LATAM Airlines
Tue, Apr 21 - Tue, May 12
Avianca Logo
7:10 am - 3:25 pm
EZE
-
SJO
11h 15m
1 stop
Avianca Logo
4:00 pm - 5:40 am
SJO
-
EZE
10h 40m
1 stop
$604Avianca
Mon, May 25 - Sun, Jun 7
Avianca Logo
4:50 pm - 11:55 pm
EZE
-
SJO
10h 05m
1 stop
Avianca Logo
1:40 am - 3:40 pm
SJO
-
EZE
11h 00m
1 stop
$610Avianca
Fri, May 1 - Sat, May 16
LATAM Airlines Logo
3:55 am - 3:40 pm
EZE
-
SJO
14h 45m
1 stop
LATAM Airlines Logo
4:55 pm - 11:30 am
SJO
-
EZE
15h 35m
2 stops
$611LATAM Airlines
Mon, Aug 17 - Fri, Aug 28
LATAM Airlines Logo
10:30 pm - 3:40 pm
AEP
-
SJO
20h 10m
2 stops
LATAM Airlines Logo
4:55 pm - 7:40 am
SJO
-
AEP
11h 45m
1 stop
$612LATAM Airlines
Tue, Apr 7 - Thu, Apr 16
Avianca Logo
6:15 am - 1:05 pm
EZE
-
SJO
9h 50m
1 stop
Avianca Logo
5:00 pm - 5:05 am
SJO
-
EZE
9h 05m
1 stop
$613Avianca
Fri, May 1 - Thu, Jun 25
Avianca Logo
1:35 am - 8:50 am
EZE
-
SJO
10h 15m
1 stop
Avianca Logo
5:00 pm - 5:05 am
SJO
-
EZE
9h 05m
1 stop
$616Avianca
Mon, Aug 10 - Sat, Aug 15

Avianca flights from Buenos Aires to San José

Our best Avianca deals on Buenos Aires to San José flight tickets
Avianca
Mar 26
EZE4:55 pmBuenos Aires Ministro Pistarini
10h 20m
1 stop
SJO12:15 amSan José Juan Santamaria Intl
Apr 3
SJO9:25 amSan José Juan Santamaria Intl
17h 15m
1 stop
EZE5:40 amBuenos Aires Ministro Pistarini
$485
Avianca
Mar 31
EZE6:10 amBuenos Aires Ministro Pistarini
9h 40m
1 stop
SJO12:50 pmSan José Juan Santamaria Intl
Apr 2
SJO1:40 amSan José Juan Santamaria Intl
24h 20m
2 stops
EZE5:00 amBuenos Aires Ministro Pistarini
$500
Avianca
Mar 31
EZE6:10 amBuenos Aires Ministro Pistarini
9h 40m
1 stop
SJO12:50 pmSan José Juan Santamaria Intl
Apr 5
SJO2:00 pmSan José Juan Santamaria Intl
32h 20m
1 stop
EZE1:20 amBuenos Aires Ministro Pistarini
$502

LATAM Airlines flights from Buenos Aires to San José

Our best LATAM Airlines deals on Buenos Aires to San José flight tickets
LATAM Airlines
Apr 7
EZE7:21 pmBuenos Aires Ministro Pistarini
23h 19m
2 stops
SJO3:40 pmSan José Juan Santamaria Intl
May 6
SJO4:55 pmSan José Juan Santamaria Intl
15h 35m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
$559
LATAM Airlines
May 14
EZE3:55 amBuenos Aires Ministro Pistarini
14h 45m
1 stop
SJO3:40 pmSan José Juan Santamaria Intl
May 28
SJO4:55 pmSan José Juan Santamaria Intl
10h 15m
1 stop
EZE6:10 amBuenos Aires Ministro Pistarini
$579
LATAM Airlines
Apr 21
EZE7:45 amBuenos Aires Ministro Pistarini
10h 55m
1 stop
SJO3:40 pmSan José Juan Santamaria Intl
May 12
SJO4:55 pmSan José Juan Santamaria Intl
15h 35m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
$603

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 March 24, 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

Cheapest round-trip

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Wed 4/29

6:15 am-8:50 am

2 stops29h 35m

San José Juan Santamaria Intl

Sun 5/3

4:55 pm-5:00 am

1 stop9h 05m

$522

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Wed 4/29

7:10 am-8:50 am

1 stop28h 40m

San José Juan Santamaria Intl

Sun 5/3

4:55 pm-5:00 am

1 stop9h 05m

$546

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Thu 5/14

3:55 am-3:40 pm

1 stop14h 45m

San José Juan Santamaria Intl

Thu 5/28

4:55 pm-6:10 am

1 stop10h 15m

$579

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Tue 4/21

7:45 am-3:40 pm

1 stop10h 55m

San José Juan Santamaria Intl

Tue 5/12

4:55 pm-11:30 am

2 stops15h 35m

$603

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Mon 5/25

7:10 am-3:25 pm

1 stop11h 15m

San José Juan Santamaria Intl

Sun 6/7

4:00 pm-5:40 am

1 stop10h 40m

$604

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Fri 5/1

4:50 pm-11:55 pm

1 stop10h 05m

San José Juan Santamaria Intl

Sat 5/16

1:40 am-3:40 pm

1 stop11h 00m

$610

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Mon 8/17

3:55 am-3:40 pm

1 stop14h 45m

San José Juan Santamaria Intl

Fri 8/28

4:55 pm-11:30 am

2 stops15h 35m

$611

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Tue 4/7

10:30 pm-3:40 pm

2 stops20h 10m

San José Juan Santamaria Intl

Thu 4/16

4:55 pm-7:40 am

1 stop11h 45m

$612
Quickest round-trip

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Fri 5/1

6:15 am-1:05 pm

1 stop9h 50m

San José Juan Santamaria Intl

Thu 6/25

5:00 pm-5:05 am

1 stop9h 05m

$613

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Mon 8/10

1:35 am-8:50 am

1 stop10h 15m

San José Juan Santamaria Intl

Sat 8/15

5:00 pm-5:05 am

1 stop9h 05m

$616

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $518.

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 Monday. momondo users have found tickets for Monday 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 $867. 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 $623 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 $523 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.

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

You could potentially save up to 2% on your flight if you consider stops on a Buenos Aires to San José flight.

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

As of March 2026, prices for Buenos Aires to San José flights are approximately 3% 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

Fastest flight time

9h 40m

Direct flights

Wed and Sun

Airports in San José

1 airport
The fastest flight from Buenos Aires to San José takes 9h 40m
Direct flights go from Buenos Aires to San José on Wednesday 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 40m, 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
7.5
1,577 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $454Free CancellationRating
7.4
1,911 reviews
Search LATAM Airlines flights
AviancaPriceFrom $454Free CancellationRating
6.5
2,505 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 $454 round-trip, up to an average price of $690. 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
Santa Elena
Dominical
San Gerardo de Dota
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.

An easier way to manage your San José trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/23
Thu 4/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica