HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$376+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$866
(Delta)

One-way from

$376
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,449
Provider with most accurate pricing for San Jose-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Buenos Aires (BUE) flights.
Search Deals
From San Jose to Buenos Aires (BUE)
Search Deals
One-way flight from San Jose to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Mon 11/1712:50 pmSJC - EZE
1 stop15h 10mDelta
Tue 11/258:55 pmEZE - SJC
1 stop19h 37mDelta
Deal found 10/29$866
This KAYAK deal was found by Cheapflights users on 10/29. 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 11/177:00 amSJC - AEP
2 stops22h 30mLATAM Airlines
Tue 11/253:40 pmAEP - SJC
2 stops26h 39mLATAM Airlines
Deal found 10/29$866
This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 11/67:00 amSJC - EZE
2 stops21h 00mDelta
Wed 11/198:55 pmEZE - SJC
2 stops21h 24mDelta
Deal found 10/30$870
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/287:00 amSJC - EZE
2 stops26h 50mLATAM Airlines
Mon 12/87:45 amEZE - SJC
2 stops20h 11mLATAM Airlines
Deal found 10/30$916
This Delta deal was found by Cheapflights users on 10/30. 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 11/286:25 amSJC - EZE
1 stop19h 55mDelta
Mon 12/811:55 pmEZE - SJC
2 stops23h 23mDelta
Deal found 10/30$920
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 11/88:45 amSJC - EZE
2 stops19h 35mUnited Airlines
Sat 11/2211:55 pmEZE - SJC
1 stop17h 15mUnited Airlines
Deal found 10/28$957
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/146:35 amSJC - EZE
1 stop21h 25mDelta
Sun 12/2111:55 pmEZE - SJC
1 stop24h 13mDelta
Deal found 10/30$966
This LATAM Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/87:00 amSJC - AEP
2 stops19h 55mLATAM Airlines
Sat 11/2211:30 amAEP - SJC
2 stops29h 02mLATAM Airlines
Deal found 10/29$966
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:00 amSJC - EZE
2 stops18h 20mLATAM Airlines
Sat 11/227:43 pmEZE - SJC
2 stops22h 36mLATAM Airlines
Deal found 10/30$1,061
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/26:35 amSJC - EZE
1 stop21h 25mDelta
Sat 12/2011:55 pmEZE - SJC
1 stop26h 39mDelta
Deal found 10/30$1,096
This KAYAK deal was found by Cheapflights users on 10/29. 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.
Tue 11/119:03 amSJC - AEP
2 stops20h 27mLATAM Airlines
Wed 12/33:40 pmAEP - SJC
2 stops25h 00mLATAM Airlines
Deal found 10/29$1,118
This LATAM Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/267:00 amSJC - AEP
2 stops22h 30mLATAM Airlines
Wed 12/312:40 pmAEP - SJC
3 stops29h 36mLATAM Airlines
Deal found 10/29$1,126

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 October 30, 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 11/17

12:50 pm-9:00 am

1 stop15h 10m

Buenos Aires Ministro Pistarini

Tue 11/25

8:55 pm-11:32 am

1 stop19h 37m

$866

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Mon 11/17

7:00 am-10:30 am

2 stops22h 30m

Buenos Aires Jorge Newbery

Tue 11/25

3:40 pm-1:19 pm

2 stops26h 39m

$866

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Wed 11/26

9:03 am-10:30 am

2 stops20h 27m

Buenos Aires Jorge Newbery

Wed 12/3

5:15 pm-1:16 pm

2 stops25h 01m

$866

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Wed 11/26

1:16 pm-9:20 am

1 stop15h 04m

Buenos Aires Ministro Pistarini

Wed 12/3

10:05 pm-9:27 pm

2 stops28h 22m

$870

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Tue 11/11

4:02 pm-7:20 am

2 stops34h 18m

Buenos Aires Ministro Pistarini

Wed 12/3

10:05 pm-1:32 pm

2 stops20h 27m

$870

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Tue 12/2

6:20 am-9:00 am

2 stops21h 40m

Buenos Aires Ministro Pistarini

Tue 12/23

11:55 pm-7:56 pm

2 stops25h 01m

$870

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Mon 11/17

1:16 pm-9:20 am

1 stop15h 04m

Buenos Aires Ministro Pistarini

Tue 11/25

10:05 pm-5:38 pm

2 stops24h 33m

$870

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Mon 12/1

7:00 am-9:00 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Tue 12/23

8:55 pm-12:41 pm

2 stops20h 46m

$870

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Thu 3/12

10:30 pm-9:00 am

1 stop30h 30m

Buenos Aires Ministro Pistarini

Thu 3/26

11:55 pm-9:32 pm

1 stop25h 37m

$871

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sun 1/11

7:15 am-9:00 am

2 stops20h 45m

Buenos Aires Ministro Pistarini

Tue 1/20

10:25 pm-4:20 pm

2 stops22h 55m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 36 results
1
2
3
4

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 October.
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 October 30, 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 October 30, 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
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

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
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

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
11,035 reviews
United Airlines
7.4
Good
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

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?

    Delta, LATAM Airlines, and United Airlines can get you from San Jose, California to Buenos Aires in just under 15h 04m. Your travel time can differ by up to 7h 26m. 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 United Airlines and American Airlines, starting at $1,223 and $1,255 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Jose to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Ministro Pistarini flights
San Francisco to Ministro Pistarini flights
Los Angeles to Jorge Newbery flights
San Francisco to Jorge Newbery flights
Ontario to Ministro Pistarini flights
San Diego to Ministro Pistarini flights
San Diego to Jorge Newbery flights
San Jose to Ministro Pistarini flights
San Jose to Jorge Newbery flights
Oakland to Ministro Pistarini flights
Los Angeles to Cordoba flights
Los Angeles to Mendoza flights
Las Vegas to Ministro Pistarini flights
Sacramento to Ministro Pistarini flights
San Francisco to Mendoza flights
Sacramento to Jorge Newbery flights
Fresno to Ministro Pistarini flights
Las Vegas to Cordoba flights
Tijuana to Ministro Pistarini flights
Santa Ana to Ministro Pistarini flights
Santa Rosa to Ministro Pistarini flights
San Francisco to Cordoba flights
Reno to Ministro Pistarini flights
San Francisco to Ushuaia flights
Palm Springs to Ministro Pistarini flights
San Luis Obispo to Ministro Pistarini flights
San Jose to Mendoza flights
Ontario to Mendoza flights
San Francisco to San Carlos de Bariloche flights
Monterey to Ministro Pistarini flights
Los Angeles to Salta flights
San Diego to Mendoza flights
Las Vegas to Mendoza flights
San Francisco to San Miguel de Tucumán flights
San Francisco to Salta flights
San Jose to Cordoba flights
Los Angeles to San Carlos de Bariloche flights
San Francisco to Puerto Iguazú flights
San Francisco to El Calafate flights
Oakland to Rosario flights

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$965Average$1,369FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,223Average$1,470FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,255Average$1,393FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.