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$332+ Cheap flights from San Jose (SJC) to Buenos Aires (BUE)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from San Jose to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Buenos Aires (BUE). 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 agosto 14, 2025.

Round-trip from

$973
(Trip.com)

One-way from

$332
(Kiwi.com)

Popular in

December

Cheapest in

November
From San Jose to Buenos Aires (BUE)
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One-way flight from San Jose to Buenos Aires (BUE)
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Find flight deals from San Jose to Buenos Aires

Cheapest flights from San Jose to Buenos Aires
Explore the most affordable flight options available from San Jose to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/86:15 amSJC - AEP
2 stops23h 25mMultiple Airlines
lun. 9/155:05 pmAEP - SJC
2 stops25h 10mMultiple Airlines
Deal found 8/13$973
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/86:15 amSJC - EZE
2 stops19h 55mMultiple Airlines
lun. 9/156:13 pmEZE - SJC
2 stops32h 30mMultiple Airlines
Deal found 8/13$984
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2611:30 amSJC - EZE
3 stops32h 40mMultiple Airlines
vie. 8/296:50 amEZE - SJC
3 stops34h 50mMultiple Airlines
Deal found 8/12$1,176
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/274:41 pmSJC - EZE
3 stops31h 04mMultiple Airlines
vie. 8/292:30 amEZE - SJC
3 stops24h 00mMultiple Airlines
Deal found 8/13$1,245
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/148:06 pmSJC - EZE
2 stops49h 44mMultiple Airlines
jue. 11/274:05 amEZE - SJC
2 stops23h 54mMultiple Airlines
Deal found 8/13$1,246
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:45 amSJC - EZE
1 stop21h 15mDelta
mar. 12/1611:55 pmEZE - SJC
1 stop16h 59mDelta
Deal found 8/12$1,305
This KAYAK deal was found by Cheapflights users on 8/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1710:20 pmSJC - AEP
2 stops28h 35mLATAM Airlines
mié. 11/266:20 pmAEP - SJC
2 stops22h 34mLATAM Airlines
Deal found 8/13$1,305
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:00 amSJC - EZE
2 stops18h 20mLATAM Airlines
mié. 12/177:45 amEZE - SJC
3 stops33h 09mLATAM Airlines
Deal found 8/12$1,308
This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1810:10 amSJC - EZE
2 stops17h 50mDelta
mar. 12/168:55 pmEZE - SJC
2 stops26h 54mDelta
Deal found 8/12$1,310
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2711:30 amSJC - EZE
3 stops29h 55mMultiple Airlines
vie. 10/31:40 amEZE - SJC
3 stops33h 38mMultiple Airlines
Deal found 8/13$1,314
This KAYAK deal was found by Cheapflights users on 8/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2012:35 pmSJC - AEP
2 stops27h 55mLATAM Airlines
lun. 12/112:40 pmAEP - SJC
2 stops36h 24mLATAM Airlines
Deal found 8/13$1,322
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:00 amSJC - EZE
2 stops18h 20mLATAM Airlines
mar. 12/167:45 amEZE - SJC
3 stops41h 19mLATAM Airlines
Deal found 8/12$1,326

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from San Jose to Buenos Aires that are best for you.

Fly from

San Jose

Fly to

Buenos Aires

Route

Depart

Return

Price

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

lun. 9/8

6:15 am-9:40 am

2 stops23h 25m

Buenos Aires Jorge Newbery

lun. 9/15

5:05 pm-2:15 pm

2 stops25h 10m

$973

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

lun. 9/8

6:15 am-6:10 am

2 stops19h 55m

Buenos Aires Ministro Pistarini

lun. 9/15

6:13 pm-10:43 pm

2 stops32h 30m

$984

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

mar. 8/26

11:30 am-12:10 am

3 stops32h 40m

Buenos Aires Ministro Pistarini

vie. 8/29

6:50 am-1:40 pm

3 stops34h 50m

$1,176

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

lun. 1/5

12:23 pm-8:30 am

1 stop15h 07m

Buenos Aires Ministro Pistarini

mié. 1/28

10:25 pm-11:57 am

1 stop18h 32m

$1,205

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

lun. 1/5

5:45 am-7:20 am

2 stops20h 35m

Buenos Aires Ministro Pistarini

mié. 1/28

10:25 pm-9:32 pm

2 stops28h 07m

$1,210

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

mié. 8/27

4:41 pm-3:45 am

3 stops31h 04m

Buenos Aires Ministro Pistarini

vie. 8/29

2:30 am-10:30 pm

3 stops24h 00m

$1,245

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

vie. 11/14

8:06 pm-2:50 am

2 stops49h 44m

Buenos Aires Ministro Pistarini

vie. 11/28

7:55 am-10:59 pm

2 stops20h 04m

$1,246

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

lun. 1/5

12:55 pm-2:50 am

2 stops32h 55m

Buenos Aires Ministro Pistarini

mié. 1/28

7:45 am-12:09 pm

3 stops33h 24m

$1,248

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

mar. 11/18

12:35 pm-9:00 am

1 stop15h 25m

Buenos Aires Ministro Pistarini

lun. 12/15

7:55 am-9:46 pm

2 stops18h 51m

$1,305

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

mar. 11/18

6:45 am-1:45 pm

2 stops26h 00m

Buenos Aires Ministro Pistarini

jue. 11/27

7:43 pm-11:01 am

2 stops20h 18m

$1,305

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 36 results
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Best time to book a flight from San Jose to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from San Jose 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 San Jose to Buenos Aires

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

Currently, April is the cheapest month in which you can book a flight from San Jose to Buenos Aires (average of $795). Flying from San Jose to Buenos Aires in December is currently the most expensive (average of $1,260). 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 SJC to BUE?

Find hourly flight availability from San Jose to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% on flights from San Jose to Buenos Aires by exploring options for tickets in the evening.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated agosto 14, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from San Jose to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Buenos Aires. 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 from for flights from San Jose to Buenos Aires?

    For a flight from San Jose to Buenos Aires, you will be flying from San Jose. San Jose (SJC) is just 2.9 mi from the center of the city. San Jose is the only San Jose airport and it handles 0 outbound flights to Buenos Aires per day. 3 airlines have flights to Buenos Aires from San Jose on a regular basis.

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

    According to our current data, United Airlines ($1,089), American Airlines ($1,218), and Delta ($1,305) offers the cheapest pricing from San Jose to Buenos Aires. Users have found that United Airlines is 22% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Jose to Buenos Aires 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 San Jose to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from San Jose to Buenos Aires (average of $795). Flying from San Jose to Buenos Aires in December is currently the most expensive (average of $1,260). 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

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Alternative routes for San Jose to Buenos Aires

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Top 3 airlines flying from San Jose to Buenos Aires

Discover the top 3 airlines that operate flights from San Jose to Buenos Aires. 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,089Average$1,470FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,218Average$1,383FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,305Average$1,370FlexibilityNo cancel feeOn-timeN/A

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