What is the cheapest airline that flies from San José Juan Santamaria Intl to Buenos Aires?

LATAM Airlines and Copa Airlines are the most popular carriers operating from San José Juan Santamaria Intl to Buenos Aires

Which layover airport has the shortest connection time from San José to Buenos Aires?

Guayaquil (GYE) has the shortest average layover time for this route: 1h 08m.

Which layover airport has the shortest travel time from San José to Buenos Aires?

Flights connecting via Guayaquil (GYE) have the shortest average one-way travel time: 9h 05m.

What airlines fly to Buenos Aires?

Avianca, Copa Airlines and LATAM Airlines are the top three most popular airlines that fly to Buenos Aires from San José according to our data. Avianca is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 3 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between San José and Buenos Aires?

Lima (LIM) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San José to Buenos Aires?

Flights via Guayaquil (GYE) offer the lowest average round-trip price of $371.

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

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

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

As of November 2026, there are 3 operators available to choose from for flights from San José Juan Santamaria Intl Airport to Buenos Aires.

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

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 San José Juan Santamaria Intl Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The travel and health documents you'll need for your trip to Buenos Aires 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 Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$283 Cheap Flights from San José to Buenos Aires in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San José to Buenos Aires

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5:53 pm - 8:00 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

11h 07m1 stop Panama City Tocumen Intl

4:28 am - 11:02 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

9h 34m1 stop Panama City Tocumen Intl

$593Copa Airlines

Wed, Dec 2 - Tue, Dec 8

2:12 pm - 3:10 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

9h 58m1 stop Panama City Tocumen Intl

4:28 am - 11:02 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

9h 34m1 stop Panama City Tocumen Intl

$593Copa Airlines

Tue, Dec 1 - Mon, Dec 7

5:55 pm - 8:00 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

11h 05m1 stop Panama City Tocumen Intl

2:45 pm - 8:19 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

20h 34m1 stop Panama City Tocumen Intl

$594Copa Airlines

Mon, Nov 16 - Wed, Nov 25

4:55 pm - 6:20 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 25m1 stop Lima J Chavez Intl

7:20 am - 3:55 pmEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

11h 35m1 stop Lima J Chavez Intl

$598LATAM Airlines

Fri, Apr 23 - Mon, May 3

4:55 pm - 6:20 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 25m1 stop Lima J Chavez Intl

7:20 am - 3:55 pmEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

11h 35m1 stop Lima J Chavez Intl

$598LATAM Airlines

Tue, Mar 23 - Fri, Apr 2

4:55 pm - 6:20 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 25m1 stop Lima J Chavez Intl

7:20 am - 3:55 pmEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

11h 35m1 stop Lima J Chavez Intl

$598LATAM Airlines

Thu, Mar 25 - Sat, Apr 3

1:40 pm - 3:00 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 20m1 stop Lima J Chavez Intl

4:20 am - 10:59 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

9h 39m1 stop Panama City Tocumen Intl

$625Multiple Airlines

Sat, Nov 21 - Fri, Nov 27

4:55 pm - 6:20 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 25m1 stop Lima J Chavez Intl

9:10 am - 4:53 pmEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

10h 43m1 stop Panama City Tocumen Intl

$627Multiple Airlines

Sat, Nov 21 - Sun, Dec 13

1:50 am - 3:40 pmSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 50m1 stop Bogotá El Dorado

4:50 pm - 12:30 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

10h 40m1 stop Bogotá El Dorado

$630Avianca

Mon, Mar 8 - Mon, Mar 22

1:50 am - 3:40 pmSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 50m1 stop Bogotá El Dorado

4:50 pm - 12:30 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

10h 40m1 stop Bogotá El Dorado

$630Avianca

Sun, Nov 15 - Fri, Nov 27

Cheap last minute flights

Enter your travel dates to find the best prices.

1:40 pm - 3:00 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 20m1 stop Lima J Chavez Intl

2:45 pm - 7:23 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

19h 38m1 stop Panama City Tocumen Intl

$621Multiple Airlines

Sun, Nov 8 - Fri, Dec 11

1:40 pm - 3:00 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 20m1 stop Lima J Chavez Intl

2:45 pm - 7:05 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

19h 20m1 stop Panama City Tocumen Intl

$621Multiple Airlines

Sun, Nov 8 - Thu, Dec 10

1:40 pm - 3:00 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

10h 20m1 stop Lima J Chavez Intl

3:40 am - 11:02 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

10h 22m1 stop Panama City Tocumen Intl

$622Multiple Airlines

Sun, Nov 8 - Mon, Dec 7

10:03 am - 3:58 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

14h 55m1 stop Panama City Tocumen Intl

4:28 am - 11:02 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

9h 34m1 stop Panama City Tocumen Intl

$628Copa Airlines

Sat, Nov 7 - Tue, Dec 8

12:04 pm - 3:58 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

12h 54m1 stop Panama City Tocumen Intl

3:40 am - 1:52 pmEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

13h 12m1 stop Panama City Tocumen Intl

$628Copa Airlines

Sat, Nov 7 - Wed, Dec 9

12:04 pm - 3:58 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

12h 54m1 stop Panama City Tocumen Intl

3:40 am - 11:02 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

10h 22m1 stop Panama City Tocumen Intl

$628Copa Airlines

Sat, Nov 7 - Mon, Dec 7

9:30 am - 12:30 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

12h 00m1 stop Bogotá El Dorado

1:40 am - 8:50 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

10h 10m1 stop Bogotá El Dorado

$630Avianca

Mon, Nov 9 - Fri, Nov 13

5:15 pm - 6:05 amSJO San José Juan Santamaria Intl-EZE Buenos Aires Ministro Pistarini

9h 50m1 stop Bogotá El Dorado

1:40 am - 8:50 amEZE Buenos Aires Ministro Pistarini-SJO San José Juan Santamaria Intl

10h 10m1 stop Bogotá El Dorado

$650Avianca

Sat, Nov 7 - Fri, Nov 27

4:55 pm - 4:00 pmSJO San José Juan Santamaria Intl-AEP Buenos Aires Jorge Newbery

20h 05m1 stop Lima J Chavez Intl

6:20 pm - 3:55 pmAEP Buenos Aires Jorge Newbery-SJO San José Juan Santamaria Intl

24h 35m2 stops Asuncion Silvio Pettirossi Lima J Chavez Intl

$650LATAM Airlines

Wed, Nov 4 - Tue, Nov 24

4:55 pm - 4:00 pmSJO San José Juan Santamaria Intl-AEP Buenos Aires Jorge Newbery

20h 05m1 stop Lima J Chavez Intl

8:40 am - 3:55 pmAEP Buenos Aires Jorge Newbery-SJO San José Juan Santamaria Intl

10h 15m1 stop Lima J Chavez Intl

$650LATAM Airlines

Wed, Nov 4 - Tue, Nov 24

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Copa Airlines flights from San José to Buenos Aires

Our best Copa Airlines deals on San José to Buenos Aires flight tickets

Copa Airlines

Dec 1

SJO2:12 pmSan José Juan Santamaria Intl

9h 58m

1 stop

EZE3:10 amBuenos Aires Ministro Pistarini

Dec 7

EZE4:28 amBuenos Aires Ministro Pistarini

9h 34m

1 stop

SJO11:02 amSan José Juan Santamaria Intl

$593

Copa Airlines

Nov 16

SJO5:55 pmSan José Juan Santamaria Intl

11h 05m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Nov 25

EZE2:45 pmBuenos Aires Ministro Pistarini

20h 34m

1 stop

SJO8:19 amSan José Juan Santamaria Intl

$594

Copa Airlines

Nov 15

SJO6:10 pmSan José Juan Santamaria Intl

27h 42m

1 stop

EZE12:52 amBuenos Aires Ministro Pistarini

Nov 25

EZE2:45 pmBuenos Aires Ministro Pistarini

20h 34m

1 stop

SJO8:19 amSan José Juan Santamaria Intl

$598

Avianca flights from San José to Buenos Aires

Our best Avianca deals on San José to Buenos Aires flight tickets

Avianca

Nov 17

SJO9:30 amSan José Juan Santamaria Intl

17h 35m

1 stop

EZE6:05 amBuenos Aires Ministro Pistarini

Nov 29

EZE7:25 amBuenos Aires Ministro Pistarini

11h 55m

1 stop

SJO4:20 pmSan José Juan Santamaria Intl

$630

Avianca

Nov 29

SJO9:30 amSan José Juan Santamaria Intl

17h 35m

1 stop

EZE6:05 amBuenos Aires Ministro Pistarini

Dec 4

EZE7:25 amBuenos Aires Ministro Pistarini

11h 55m

1 stop

SJO4:20 pmSan José Juan Santamaria Intl

$640

Avianca

Dec 2

SJO9:30 amSan José Juan Santamaria Intl

24h 10m

2 stops

AEP12:40 pmBuenos Aires Jorge Newbery

Dec 4

AEP7:05 amBuenos Aires Jorge Newbery

12h 15m

1 stop

SJO4:20 pmSan José Juan Santamaria Intl

$647

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Wed 12/2

5:53 pm-8:00 am

1 stop11h 07m

Buenos Aires Ministro Pistarini

Tue 12/8

4:28 am-11:02 am

1 stop9h 34m

$593

Quickest round-trip

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Tue 12/1

2:12 pm-3:10 am

1 stop9h 58m

Buenos Aires Ministro Pistarini

Mon 12/7

4:28 am-11:02 am

1 stop9h 34m

$593

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Mon 11/16

5:55 pm-8:00 am

1 stop11h 05m

Buenos Aires Ministro Pistarini

Wed 11/25

2:45 pm-8:19 am

1 stop20h 34m

$594

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Fri 4/23

4:55 pm-6:20 am

1 stop10h 25m

Buenos Aires Ministro Pistarini

Mon 5/3

7:20 am-3:55 pm

1 stop11h 35m

$598

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Tue 3/23

4:55 pm-6:20 am

1 stop10h 25m

Buenos Aires Ministro Pistarini

Fri 4/2

7:20 am-3:55 pm

1 stop11h 35m

$598

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Thu 3/25

4:55 pm-6:20 am

1 stop10h 25m

Buenos Aires Ministro Pistarini

Sat 4/3

7:20 am-3:55 pm

1 stop11h 35m

$598

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Sat 11/21

1:40 pm-3:00 am

1 stop10h 20m

Buenos Aires Ministro Pistarini

Fri 11/27

4:20 am-10:59 am

1 stop9h 39m

$625

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Sat 11/21

4:55 pm-6:20 am

1 stop10h 25m

Buenos Aires Ministro Pistarini

Sun 12/13

9:10 am-4:53 pm

1 stop10h 43m

$627

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Mon 3/8

1:50 am-3:40 pm

1 stop10h 50m

Buenos Aires Ministro Pistarini

Mon 3/22

4:50 pm-12:30 am

1 stop10h 40m

$630

San JoséBuenos Aires

SJO San José Juan Santamaria Intl - EZE Buenos Aires Ministro Pistarini

SJOEZE

San José Juan Santamaria Intl

Sun 11/15

1:50 am-3:40 pm

1 stop10h 50m

Buenos Aires Ministro Pistarini

Fri 11/27

4:50 pm-12:30 am

1 stop10h 40m

$630

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between San José and Buenos Aires?

Prices are currently typical for flights on this route.

Typical prices usually range from $472 to $641.
The lowest price recently found on this route was $593.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from San José is in May. Flight prices, which tend to average around $458, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from San José during April instead. Flights to Buenos Aires in April, while not as cheap as those in May, still average around $479.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from San José is on a Monday. momondo users have found tickets for Monday departures for as low as $429. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $673.

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

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

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

You are more likely to see cheaper flights to Buenos Aires from San José when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $566 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from San José for as low as $477 on momondo.

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

There are 3 cabin classes available to choose from on San José to Buenos Aires 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 San José to Buenos Aires flights?

No. A direct flight is the cheapest option for a flight between San José to Buenos Aires.

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

As of November 2026, prices for San José to Buenos Aires flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from San José to Buenos Aires

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

Estimated round-trip price

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

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

Best Price Found	$283
Fastest flight time	10h 12m
Direct flights	None

The best one-way flight to Buenos Aires from San José in the past 72 hours is $283. The best round-trip flight deal from San José to Buenos Aires found on momondo in the last 72 hours is $593.

The fastest flight from San José to Buenos Aires takes 10h 12m

There are no direct flights from San José to Buenos Aires. There are no popular flight routes from San José to Buenos Aires.

Search flight deals

Frequently asked questions about flying from San José to Buenos Aires

How far is San José Juan Santamaria Intl to Buenos Aires by plane?
The straight-line distance from San José Juan Santamaria Intl to Buenos Aires is 3505.7 mi. Flights usually cover this in 10h 12m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Buenos Aires?
Prices for flights from San José Juan Santamaria Intl Airport to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Buenos Aires?
As of November 2026, there are 3 operators available to choose from for flights from San José Juan Santamaria Intl Airport to Buenos Aires.
How old do you have to be to fly from San José Juan Santamaria Intl Airport to Buenos Aires?
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 San José Juan Santamaria Intl Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires 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 Buenos Aires. 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 San José to Buenos Aires?
Based on momondo bookings for flights between San José and Buenos Aires, the leading plane model is Airbus A320neo, making up 100.00% of the total bookings.
What is the most popular airline from San José to Buenos Aires?
momondo data reveals that the most frequently booked airline on the route from San José to Buenos Aires is Avianca, representing 53% of all bookings. The subsequent popular airlines are Copa Airlines at 30% and LATAM Airlines at 17%.

Best airlines flying from San José to Buenos Aires

Compare and see reviews for airlines that fly from San José to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Copa Airlines	PriceFrom $270	Free Cancellation	Rating 7.6 1,552 reviews	Search Copa Airlines flights
Avianca	PriceFrom $276	Free Cancellation	Rating 6.5 2,551 reviews	Search Avianca flights
LATAM Airlines	PriceFrom $294	Free Cancellation	Rating 7.4 1,970 reviews	Search LATAM Airlines 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 enables you to select and highlight flights to Buenos Aires from San José with this policy.

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

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 Buenos Aires from San José.

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

Of course. momondo tracks the price of San José to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Buenos Aires

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Cheap flights from San José to Buenos Aires from $283

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 to Buenos Aires departing on 12/23. 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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Copa Airlines flights from San José to Buenos Aires

Our best Copa Airlines deals on San José to Buenos Aires flight tickets

Avianca flights from San José to Buenos Aires

Our best Avianca deals on San José to Buenos Aires flight tickets

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

What is the typical price of a round-trip flight between San José and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

What is the cheapest day to depart on your flight to Buenos Aires?

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

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

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

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

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

What is the cheapest airline that flies from San José Juan Santamaria Intl to Buenos Aires?

What airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between San José and Buenos Aires?

Which layover airport offers the lowest fares from San José to Buenos Aires?

Which layover airport has the shortest travel time from San José to Buenos Aires?

Which layover airport has the shortest connection time from San José to Buenos Aires?

When to book flights from San José to Buenos Aires

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San José to Buenos Aires

Best airlines flying from San José to Buenos Aires

Compare and see reviews for airlines that fly from San José to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires

Fly your favorite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from San José

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

Explore popular destinations other users love

According to popular flight searches on momondo this year