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$408+ Cheap flights from San Jose, CA (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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,218
(Aeromexico)

One-way from

$408
(Kiwi.com)

Popular in

June

Cheapest in

January
Provider with most accurate pricing for San Jose-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for San Jose-Buenos Aires (BUE) flights.
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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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Highest demand for flights based on searches. 7% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 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 November 20, 2025.

This LATAM Airlines deal was found by Cheapflights users on 11/19. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:25 pmSJC - AEP
2 stops42h 05mLATAM Airlines
Thu 12/118:25 pmAEP - SJC
2 stops31h 31mLATAM Airlines
Deal found 11/19$1,284
This KAYAK deal was found by Cheapflights users on 11/20. 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 12/89:04 amSJC - EZE
2 stops19h 11mLATAM Airlines
Fri 12/127:10 amEZE - SJC
2 stops33h 30mLATAM Airlines
Deal found 11/20$1,348
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Sun 12/287:15 amSJC - EZE
2 stops21h 00mLATAM Airlines
Thu 1/158:55 pmEZE - SJC
1 stop21h 01mLATAM Airlines
Deal found 11/19$1,378
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Sun 12/287:15 amSJC - AEP
2 stops22h 15mLATAM Airlines
Wed 1/1411:30 amAEP - SJC
2 stops30h 26mLATAM Airlines
Deal found 11/19$1,378
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 11/2812:50 pmSJC - EZE
1 stop15h 10mDelta
Sat 12/611:55 pmEZE - SJC
1 stop25h 46mDelta
Deal found 11/20$1,386
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Tue 11/258:45 amSJC - EZE
2 stops17h 35mUnited Airlines
Fri 12/511:55 pmEZE - SJC
2 stops22h 57mUnited Airlines
Deal found 11/20$1,390
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Sat 12/2710:55 pmSJC - AEP
2 stops28h 00mLATAM Airlines
Sat 1/178:50 amAEP - SJC
2 stops33h 15mLATAM Airlines
Deal found 11/19$1,403
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/242:29 pmSJC - EZE
2 stops35h 51mUnited Airlines
Thu 1/1511:55 pmEZE - SJC
2 stops42h 43mUnited Airlines
Deal found 11/19$1,413
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Thu 12/256:35 amSJC - EZE
1 stop21h 25mLATAM Airlines
Sat 1/1712:15 pmEZE - SJC
2 stops29h 50mLATAM Airlines
Deal found 11/19$1,428
This KAYAK deal was found by Cheapflights users on 11/19. 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.
Wed 12/243:22 pmSJC - AEP
2 stops19h 38mLATAM Airlines
Fri 1/163:40 pmAEP - SJC
2 stops26h 25mLATAM Airlines
Deal found 11/19$1,428
This KAYAK deal was found by Cheapflights users on 11/19. 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 12/2210:55 pmSJC - EZE
2 stops29h 40mLATAM Airlines
Wed 1/1412:15 pmEZE - SJC
2 stops29h 41mLATAM Airlines
Deal found 11/19$1,432
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/239:00 amSJC - EZE
2 stops41h 20mUnited Airlines
Thu 1/1511:55 pmEZE - SJC
2 stops42h 43mUnited Airlines
Deal found 11/19$1,435

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 November 20, 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

Fri 5/1

1:00 pm-8:00 am

1 stop15h 00m

Buenos Aires Ministro Pistarini

Wed 5/13

9:00 pm-12:08 pm

1 stop19h 08m

$1,256

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Mon 12/8

10:25 pm-9:30 pm

2 stops42h 05m

Buenos Aires Jorge Newbery

Thu 12/11

8:25 pm-10:56 pm

2 stops31h 31m

$1,284

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Wed 1/14

9:15 am-4:00 pm

2 stops25h 45m

Buenos Aires Jorge Newbery

Sat 1/31

3:40 pm-1:05 pm

2 stops26h 25m

$1,370

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Tue 2/10

9:15 am-10:30 am

2 stops20h 15m

Buenos Aires Jorge Newbery

Fri 2/27

2:55 pm-12:46 pm

2 stops26h 51m

$1,370

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Mon 2/9

9:15 am-9:15 am

2 stops19h 00m

Buenos Aires Ministro Pistarini

Mon 3/9

8:55 pm-12:09 pm

1 stop19h 14m

$1,378

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Wed 2/11

7:00 am-6:20 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

Fri 3/13

8:55 pm-12:09 pm

1 stop19h 14m

$1,378

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Wed 2/11

7:00 am-6:05 am

2 stops18h 05m

Buenos Aires Ministro Pistarini

Wed 3/11

12:00 pm-12:09 pm

2 stops28h 09m

$1,378

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Wed 2/11

7:00 am-6:20 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

Sun 3/8

7:43 pm-12:09 pm

2 stops20h 26m

$1,378

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Mon 2/9

7:00 am-9:15 am

2 stops21h 15m

Buenos Aires Ministro Pistarini

Fri 3/13

7:43 pm-1:01 pm

2 stops21h 18m

$1,378

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Fri 2/6

9:15 am-9:15 am

2 stops19h 00m

Buenos Aires Ministro Pistarini

Tue 3/10

8:55 pm-12:09 pm

1 stop19h 14m

$1,378

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 40 results
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Compare providers for flights from San Jose to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Buenos Aires in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Jose, California-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Jose, California-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Jose, California-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, California to Buenos Aires?

Currently, March is the cheapest month in which you can book a flight from San Jose, California to Buenos Aires (average of $658). Flying from San Jose, California to Buenos Aires in July is currently the most expensive (average of $1,013). 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 November 20, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 35% on flights from San Jose, California 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 November 20, 2025.
See what other customers who have flown with 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.
United Airlines
7.4
Good
9,028 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,028 reviews
United Airlines
7.4
Good
9,028 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,028 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • How long is the flight from San Jose, California to Buenos Aires?

    United Airlines and LATAM Airlines can get you from San Jose, California to Buenos Aires in just under 15h. Your travel time can differ by up to 27h 05m. The distance from San Jose, California to Buenos Aires is about 6429 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from San Jose, California to Buenos Aires is Delta. Our recent data shows that you can find tickets from as low as $965 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $1,075 and $1,156 round-trip. Delta is 30% cheaper than the average price of flights available within the next 90 days 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, California to Buenos Aires?

    Currently, March is the cheapest month in which you can book a flight from San Jose, California to Buenos Aires (average of $658). Flying from San Jose, California to Buenos Aires in July is currently the most expensive (average of $1,013). 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$965Average$1,369FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,075Average$1,285FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,156Average$1,470FlexibilityNo cancel feeOn-time69%

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