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$648+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,161
(Mytrip)

One-way from

$648
(Delta)

Popular in

October

Cheapest in

September

Average price

$1,675
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. 2% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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.
Mon 6/236:00 amSJC - EZE
3 stops41h 25mMultiple Airlines
Thu 6/266:50 amEZE - SJC
3 stops33h 36mMultiple Airlines
Deal found 6/10$1,161
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:45 amSJC - EZE
2 stops19h 35mUnited Airlines
Thu 11/1310:05 pmEZE - SJC
1 stop19h 13mUnited Airlines
Deal found 6/9$1,196
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:03 amSJC - EZE
2 stops21h 32mAmerican Airlines
Wed 10/228:30 pmEZE - SJC
2 stops26h 04mAmerican Airlines
Deal found 6/12$1,260
This KAYAK deal was found by Cheapflights users on 6/12. 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.
Mon 7/2112:17 pmSJC - EZE
2 stops32h 13mLATAM Airlines
Mon 7/287:40 amEZE - SJC
2 stops31h 20mLATAM Airlines
Deal found 6/12$1,365
This KAYAK deal was found by Cheapflights users on 6/11. 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.
Fri 11/1412:35 pmSJC - AEP
2 stops24h 25mLATAM Airlines
Sun 11/235:10 pmAEP - SJC
2 stops23h 44mLATAM Airlines
Deal found 6/11$1,365
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 10/79:05 amSJC - EZE
2 stops20h 40mDelta
Thu 10/238:10 pmEZE - SJC
1 stop19h 44mDelta
Deal found 6/10$1,370
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:45 amSJC - EZE
3 stops49h 45mAir Canada
Wed 10/224:35 pmEZE - SJC
3 stops28h 42mAir Canada
Deal found 6/11$1,468
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Tue 6/2411:01 amSJC - AEP
3 stops37h 59mMultiple Airlines
Fri 6/277:00 amAEP - SJC
3 stops31h 06mMultiple Airlines
Deal found 6/11$1,499

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 June 12, 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 - EZE

SJCEZE

San Jose

Mon 6/23

6:00 am-3:25 am

3 stops41h 25m

Buenos Aires Ministro Pistarini

Thu 6/26

6:50 am-12:26 pm

3 stops33h 36m

$1,161

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Thu 10/30

1:16 pm-8:20 am

1 stop15h 04m

Buenos Aires Ministro Pistarini

Thu 11/13

11:55 pm-12:18 pm

1 stop17h 23m

$1,196

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sat 10/11

6:03 am-7:35 am

2 stops21h 32m

Buenos Aires Ministro Pistarini

Wed 10/22

8:30 pm-6:34 pm

2 stops26h 04m

$1,260

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Mon 7/21

12:17 pm-12:30 am

2 stops32h 13m

Buenos Aires Ministro Pistarini

Mon 7/28

7:40 am-11:00 am

2 stops31h 20m

$1,365

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 11/14

12:35 pm-6:00 pm

2 stops24h 25m

Buenos Aires Jorge Newbery

Sun 11/23

5:10 pm-11:54 am

2 stops23h 44m

$1,365

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Tue 10/7

9:05 am-9:45 am

2 stops20h 40m

Buenos Aires Ministro Pistarini

Thu 10/23

8:10 pm-11:54 am

1 stop19h 44m

$1,370

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sat 10/11

8:45 am-2:30 pm

3 stops49h 45m

Buenos Aires Ministro Pistarini

Wed 10/22

4:35 pm-5:17 pm

3 stops28h 42m

$1,468

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Tue 6/24

11:01 am-5:00 am

3 stops37h 59m

Buenos Aires Jorge Newbery

Fri 6/27

7:00 am-10:06 am

3 stops31h 06m

$1,499

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Thu 8/28

3:45 pm-12:44 am

2 stops28h 59m

Buenos Aires Ministro Pistarini

Wed 9/10

3:47 am-9:18 pm

2 stops21h 31m

$2,304

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sun 9/7

7:00 am-9:45 am

2 stops22h 45m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 15 results
1
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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 June 12, 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.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
See what other customers who have flown with Delta, LATAM Airlines and Copa Airlines from San Jose to Buenos Aires have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

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.
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

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.
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

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
7,950 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

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 ($1,196), American Airlines ($1,260), and LATAM Airlines ($1,365) offers the cheapest pricing from San Jose to Buenos Aires. Users have found that United Airlines is 15% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Jose to Buenos Aires one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $648. Users have also found prices from $648 and $654 on LATAM Airlines and United Airlines, respectively.

  • 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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,053Average$1,369FlexibilityNo 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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