What airlines fly to Buenos Aires?

American Airlines, United Airlines and Copa Airlines are the top three most popular airlines that fly to Buenos Aires from San Jose according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 7 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Jose to Buenos Aires?

American Airlines, LATAM Airlines, and Delta are the most popular carriers operating from San Jose to Buenos Aires

When did momondo last update prices for flights from San Jose Airport to Buenos Aires?

Prices for flights from San Jose Airport to Buenos Aires are updated daily.

How many operators does momondo search for flights from San Jose Airport to Buenos Aires?

The number of operators available for flights from San Jose Airport to Buenos Aires is 3 as of July 2025.

How old do you have to be to fly from San Jose Airport to Buenos Aires?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Buenos Aires.

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

The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$643 Cheap Flights from San Jose to Buenos Aires in 2025

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Find the cheapest flights from San Jose to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

11:30 am - 1:25 amSJC-EZE

33h 55m3 stops

9:15 pm - 11:17 pmEZE-SJC

30h 02m3 stops

$990

Find Deal

Sun, Aug 31 - Fri, Oct 31

4:22 pm - 10:08 pmSJC-EZE

25h 46m3 stops

8:55 am - 3:46 pmEZE-SJC

34h 51m3 stops

$1,041

Find Deal

Tue, Aug 12 - Tue, Aug 19

12:35 pm - 6:10 amSJC-EZE

36h 35m2 stops

4:05 am - 9:46 pmEZE-SJC

22h 41m2 stops

$1,205Delta

Find Deal

Tue, Nov 25 - Sun, Dec 7

6:45 am - 6:40 pmSJC-AEP

30h 55m2 stops

3:40 pm - 8:04 pmAEP-SJC

33h 24m2 stops

$1,205LATAM Airlines

Find Deal

Tue, Nov 25 - Tue, Dec 9

6:45 am - 8:55 pmSJC-EZE

33h 10m2 stops

7:45 am - 11:54 amEZE-SJC

33h 09m3 stops

$1,208LATAM Airlines

Find Deal

Tue, Nov 25 - Tue, Dec 9

6:40 pm - 7:20 amSJC-EZE

31h 40m2 stops

10:05 pm - 5:51 pmEZE-SJC

24h 46m2 stops

$1,210United Airlines

Find Deal

Wed, Nov 26 - Thu, Dec 11

6:45 am - 9:00 amSJC-EZE

21h 15m1 stop

10:50 pm - 11:54 amEZE-SJC

18h 04m1 stop

$1,255Delta

Find Deal

Fri, Nov 28 - Thu, Dec 11

1:16 pm - 9:20 amSJC-EZE

15h 04m1 stop

10:05 pm - 5:51 pmEZE-SJC

24h 46m2 stops

$1,260United Airlines

Find Deal

Sat, Nov 29 - Mon, Dec 8

8:00 am - 9:00 amSJC-EZE

21h 00m2 stops

10:00 pm - 4:52 pmEZE-SJC

22h 52m2 stops

$1,350American Airlines

Find Deal

Mon, Oct 6 - Mon, Oct 13

12:22 pm - 10:15 amSJC-EZE

16h 53m2 stops

10:30 pm - 11:50 amEZE-SJC

18h 20m1 stop

$1,369American Airlines

Find Deal

Sat, Nov 8 - Sat, Nov 22

Delta flights from San Jose to Buenos Aires

Our best Delta deals on San Jose to Buenos Aires flight tickets

Delta

Nov 25

SJC12:35 pmSan Jose

36h 35m

2 stops

EZE6:10 amBuenos Aires Ministro Pistarini

Dec 7

EZE4:05 amBuenos Aires Ministro Pistarini

22h 41m

2 stops

SJC9:46 pmSan Jose

$1,205

Find similar

Delta

Nov 28

SJC6:45 amSan Jose

21h 15m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Dec 11

EZE10:50 pmBuenos Aires Ministro Pistarini

18h 04m

1 stop

SJC11:54 amSan Jose

$1,255

Find similar

Delta

Nov 29

SJC12:35 pmSan Jose

37h 45m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

Dec 11

EZE10:50 pmBuenos Aires Ministro Pistarini

26h 14m

1 stop

SJC8:04 pmSan Jose

$1,273

Find similar

LATAM Airlines flights from San Jose to Buenos Aires

Our best LATAM Airlines deals on San Jose to Buenos Aires flight tickets

LATAM Airlines

Nov 25

SJC6:45 amSan Jose

30h 55m

2 stops

AEP6:40 pmBuenos Aires Jorge Newbery

Dec 9

AEP3:40 pmBuenos Aires Jorge Newbery

33h 24m

2 stops

SJC8:04 pmSan Jose

$1,205

Find similar

LATAM Airlines

Nov 25

SJC6:45 amSan Jose

33h 10m

2 stops

EZE8:55 pmBuenos Aires Ministro Pistarini

Dec 9

EZE7:45 amBuenos Aires Ministro Pistarini

33h 09m

3 stops

SJC11:54 amSan Jose

$1,208

Find similar

LATAM Airlines

Dec 16

SJC7:00 amSan Jose

21h 35m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Dec 29

EZE11:00 amBuenos Aires Ministro Pistarini

37h 08m

2 stops

SJC7:08 pmSan Jose

$1,235

Find similar

How to get the cheapest flight ticket from San Jose 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

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from San Jose is in September. Flight prices, which tend to average around $1,170, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from San Jose during November instead. Flights to Buenos Aires in November, while not as cheap as those in September, still average around $1,230.

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 Jose is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,079. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Monday is $1,433.

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

Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from San Jose to Buenos Aires during this time can be as low as $1,196. Try not to purchase tickets in the afternoon because they tend to be around $1,563. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 3% on your flight if you consider stops on a San Jose to Buenos Aires flight.

When to book flights from San Jose to Buenos Aires

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

Estimated round-trip price

Cheap San Jose to Buenos Aires (SJC to BUE) flight deals and tips

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

Best Price Found	$643
Fastest flight time	15h 04m
Direct flights	None
Airports in Buenos Aires	2 airports

The best one-way flight to Buenos Aires from San Jose in the past 72 hours is $643. The best round-trip flight deal from San Jose to Buenos Aires found on momondo in the last 72 hours is $990.

The fastest flight from San Jose to Buenos Aires takes 15h 04m

There are no direct flights from San Jose to Buenos Aires. Popular non-direct routes for this connection are San Jose Airport - Buenos Aires Jorge Newbery Airport and San Jose Airport - Buenos Aires Ministro Pistarini Airport.

There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

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How far is San Jose to Buenos Aires by plane?
A flight from San Jose to Buenos Aires will travel around 6422.4 mi. 15h 04m is a normal flight duration for this route.
When did momondo last update prices for flights from San Jose Airport to Buenos Aires?
Prices for flights from San Jose Airport to Buenos Aires are updated daily.
How many operators does momondo search for flights from San Jose Airport to Buenos Aires?
The number of operators available for flights from San Jose Airport to Buenos Aires is 3 as of July 2025.
How old do you have to be to fly from San Jose Airport to Buenos Aires?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Jose to Buenos Aires?
momondo data reveals that the most frequently booked airline on the route from San Jose to Buenos Aires is American Airlines, representing 60% of all bookings. The subsequent popular airlines are United Airlines at 24% and Delta at 17%.

Best airlines flying from San Jose to Buenos Aires

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,053	Free Cancellation	Rating 7.4 8,863 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,218	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $1,305	Free Cancellation	Rating 8.0 7,959 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from San Jose 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 Jose to Buenos Aires for you.

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

Yes. All flights to Buenos Aires from San Jose on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for San Jose to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for San Jose to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.