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Cheap flights from San Jose to Buenos Aires from $436

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 Jose to Buenos Aires departing on 9/23. 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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Find the cheapest flights from San Jose to Buenos Aires

Cheap round-trip flights

Multiple Airlines Logo
10:48 am - 5:55 amSJC-EZE
39h 07m3 stops
Multiple Airlines Logo
5:16 am - 10:56 pmEZE-SJC
22h 40m2 stops
$1,122Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 13
Multiple Airlines Logo
10:48 am - 5:55 amSJC-EZE
39h 07m3 stops
Multiple Airlines Logo
5:16 am - 10:56 pmEZE-SJC
22h 40m2 stops
$1,124Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 13
LATAM Airlines Logo
7:00 am - 9:35 amSJC-EZE
21h 35m2 stops
LATAM Airlines Logo
7:43 pm - 1:01 pmEZE-SJC
21h 18m2 stops
$1,210LATAM Airlines
Find Deal
Thu, Feb 26 - Wed, Mar 11
Multiple Airlines Logo
5:55 pm - 5:55 amSJC-EZE
55h 00m3 stops
Multiple Airlines Logo
5:16 am - 10:59 pmEZE-SJC
22h 43m2 stops
$1,226Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 22
Multiple Airlines Logo
5:55 pm - 5:55 amSJC-EZE
55h 00m3 stops
Multiple Airlines Logo
2:15 am - 10:59 pmEZE-SJC
25h 44m2 stops
$1,263Multiple Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 21
LATAM Airlines Logo
12:39 pm - 1:00 amSJC-EZE
31h 21m2 stops
LATAM Airlines Logo
7:43 pm - 9:25 amEZE-SJC
18h 42m2 stops
$1,355LATAM Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
Delta Logo
5:45 am - 10:15 amSJC-EZE
23h 30m2 stops
Delta Logo
8:55 pm - 12:09 pmEZE-SJC
19h 14m1 stop
$1,363Delta
Find Deal
Thu, Feb 26 - Wed, Mar 11
United Airlines Logo
8:45 am - 9:20 amSJC-EZE
19h 35m2 stops
United Airlines Logo
10:05 pm - 12:18 pmEZE-SJC
19h 13m1 stop
$1,376United Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 22
Delta Logo
6:25 am - 9:00 amSJC-EZE
21h 35m1 stop
Delta Logo
8:00 am - 10:56 pmEZE-SJC
19h 56m2 stops
$1,385Delta
Find Deal
Sun, Nov 23 - Wed, Dec 3
United Airlines Logo
1:16 pm - 9:20 amSJC-EZE
15h 04m1 stop
United Airlines Logo
11:55 pm - 5:51 pmEZE-SJC
22h 56m2 stops
$1,390United Airlines
Find Deal
Sun, Nov 23 - Wed, Dec 3

LATAM Airlines flights from San Jose to Buenos Aires

Our best LATAM Airlines deals on San Jose to Buenos Aires flight tickets
LATAM Airlines
Feb 26
SJC7:00 amSan Jose
21h 35m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
Mar 11
EZE7:43 pmBuenos Aires Ministro Pistarini
21h 18m
2 stops
SJC1:01 pmSan Jose
$1,210
Find similar
LATAM Airlines
Dec 8
SJC12:39 pmSan Jose
31h 21m
2 stops
EZE1:00 amBuenos Aires Ministro Pistarini
Dec 12
EZE7:43 pmBuenos Aires Ministro Pistarini
18h 42m
2 stops
SJC9:25 amSan Jose
$1,355
Find similar
LATAM Airlines
Feb 26
SJC12:55 pmSan Jose
23h 05m
2 stops
AEP5:00 pmBuenos Aires Jorge Newbery
Mar 11
AEP5:15 pmBuenos Aires Jorge Newbery
22h 54m
2 stops
SJC12:09 pmSan Jose
$1,358
Find similar

United Airlines flights from San Jose to Buenos Aires

Our best United Airlines deals on San Jose to Buenos Aires flight tickets
United Airlines
Nov 8
SJC8:45 amSan Jose
19h 35m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 22
EZE10:05 pmBuenos Aires Ministro Pistarini
19h 13m
1 stop
SJC12:18 pmSan Jose
$1,376
Find similar
United Airlines
Nov 23
SJC1:16 pmSan Jose
15h 04m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 3
EZE11:55 pmBuenos Aires Ministro Pistarini
22h 56m
2 stops
SJC5:51 pmSan Jose
$1,390
Find similar
United Airlines
Nov 6
SJC1:16 pmSan Jose
15h 04m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 19
EZE11:55 pmBuenos Aires Ministro Pistarini
17h 23m
1 stop
SJC12:18 pmSan Jose
$1,436
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose to Buenos Aires 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 September 17, 2025.
Use the filters below to find and compare flights from San Jose to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Thu 10/30

10:48 am-5:55 am

3 stops39h 07m

Buenos Aires Ministro Pistarini

Thu 11/13

5:16 am-10:56 pm

2 stops22h 40m

$1,122

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Thu 10/30

10:48 am-5:55 am

3 stops39h 07m

Buenos Aires Ministro Pistarini

Thu 11/13

5:16 am-10:56 pm

2 stops22h 40m

$1,124

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Thu 2/26

7:00 am-9:35 am

2 stops21h 35m

Buenos Aires Ministro Pistarini

Wed 3/11

7:43 pm-1:01 pm

2 stops21h 18m

$1,210

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sat 11/8

5:55 pm-5:55 am

3 stops55h 00m

Buenos Aires Ministro Pistarini

Sat 11/22

5:16 am-10:59 pm

2 stops22h 43m

$1,226

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sat 11/8

5:55 pm-5:55 am

3 stops55h 00m

Buenos Aires Ministro Pistarini

Fri 11/21

2:15 am-10:59 pm

2 stops25h 44m

$1,263

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Mon 12/8

12:39 pm-1:00 am

2 stops31h 21m

Buenos Aires Ministro Pistarini

Fri 12/12

7:43 pm-9:25 am

2 stops18h 42m

$1,355

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Thu 2/26

5:45 am-10:15 am

2 stops23h 30m

Buenos Aires Ministro Pistarini

Wed 3/11

8:55 pm-12:09 pm

1 stop19h 14m

$1,363

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sat 11/8

8:45 am-9:20 am

2 stops19h 35m

Buenos Aires Ministro Pistarini

Sat 11/22

10:05 pm-12:18 pm

1 stop19h 13m

$1,376

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sun 11/23

6:25 am-9:00 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Wed 12/3

8:00 am-10:56 pm

2 stops19h 56m

$1,385

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sun 11/23

1:16 pm-9:20 am

1 stop15h 04m

Buenos Aires Ministro Pistarini

Wed 12/3

11:55 pm-5:51 pm

2 stops22h 56m

$1,390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

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.

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

Direct flights

None
There are no direct flights from San Jose to Buenos Aires. There are no popular flight routes from San Jose to Buenos Aires.
Search flight deals

  • 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?

  • 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?

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 AirlinesPriceFrom $1,089Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $1,095Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $1,218Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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.

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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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport