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$540+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:30 am
SJC
-
AEP
3 stops23h 30m
Multiple Airlines
Tue 3/175:10 pm
AEP
-
SJC
3 stops44h 40m
Multiple Airlines
Deal found 1/19$1,137
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Sat 3/75:28 pm
SJC
-
EZE
3 stops29h 17m
Multiple Airlines
Sat 3/143:55 pm
EZE
-
SJC
3 stops45h 55m
Multiple Airlines
Deal found 1/21$1,207
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Sat 3/75:28 pm
SJC
-
AEP
3 stops34h 02m
Multiple Airlines
Sat 3/145:10 pm
AEP
-
SJC
3 stops44h 40m
Multiple Airlines
Deal found 1/21$1,208
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Fri 3/611:30 am
SJC
-
EZE
3 stops22h 25m
Multiple Airlines
Fri 3/133:55 pm
EZE
-
SJC
3 stops45h 55m
Multiple Airlines
Deal found 1/21$1,229
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:30 am
SJC
-
EZE
3 stops22h 25m
Multiple Airlines
Tue 3/1711:20 am
EZE
-
SJC
3 stops31h 28m
Multiple Airlines
Deal found 1/19$1,256
This LATAM Airlines deal was found by Cheapflights users on 1/20. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2810:50 pm
SJC
-
EZE
2 stops36h 55m
LATAM Airlines
Sat 4/41:20 pm
EZE
-
SJC
2 stops36h 13m
LATAM Airlines
Deal found 1/20$1,361
This Ovago deal was found by Cheapflights users on 1/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:05 pm
SJC
-
EZE
2 stops41h 40m
LATAM Airlines
Tue 7/147:45 am
EZE
-
SJC
2 stops31h 08m
LATAM Airlines
Deal found 1/19$1,374
This LATAM Airlines deal was found by Cheapflights users on 1/20. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:00 am
SJC
-
AEP
2 stops20h 55m
LATAM Airlines
Thu 3/126:20 pm
AEP
-
SJC
2 stops22h 32m
LATAM Airlines
Deal found 1/20$1,377
This KAYAK deal was found by Cheapflights users on 1/20. 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.
Fri 3/201:25 pm
SJC
-
EZE
1 stop15h 35m
LATAM Airlines
Sun 3/297:10 am
EZE
-
SJC
2 stops42h 23m
LATAM Airlines
Deal found 1/20$1,391
This KAYAK deal was found by Cheapflights users on 1/20. 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.
Thu 3/1910:50 pm
SJC
-
EZE
2 stops30h 45m
LATAM Airlines
Sat 3/2812:00 pm
EZE
-
SJC
2 stops28h 52m
LATAM Airlines
Deal found 1/20$1,395
This Ovago deal was found by Cheapflights users on 1/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:30 am
SJC
-
EZE
2 stops19h 40m
LATAM Airlines
Sat 5/97:21 pm
EZE
-
SJC
2 stops19h 32m
LATAM Airlines
Deal found 1/21$1,398
This KAYAK deal was found by Cheapflights users on 1/20. 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.
Sun 3/81:25 pm
SJC
-
EZE
1 stop15h 35m
LATAM Airlines
Mon 3/168:55 pm
EZE
-
SJC
1 stop19h 13m
LATAM Airlines
Deal found 1/20$1,399

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,137
(Mytrip)

One-way from

$540
(Kiwi.com)
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)
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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 January 21, 2026.
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

Sat 3/7

5:28 pm-8:30 am

3 stops34h 02m

Buenos Aires Jorge Newbery

Sat 3/14

5:10 pm-9:50 am

3 stops44h 40m

$1,208

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Sun 3/8

7:00 am-7:55 am

2 stops20h 55m

Buenos Aires Jorge Newbery

Thu 3/12

6:20 pm-12:52 pm

2 stops22h 32m

$1,377

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Mon 3/2

6:45 am-11:45 am

3 stops24h 00m

Buenos Aires Jorge Newbery

Thu 3/26

12:40 pm-12:52 pm

3 stops28h 12m

$1,399

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Sat 4/4

9:15 am-12:00 pm

2 stops22h 45m

Buenos Aires Jorge Newbery

Fri 4/10

6:20 pm-12:52 pm

2 stops22h 32m

$1,399

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Sun 4/5

9:15 am-10:30 am

2 stops21h 15m

Buenos Aires Jorge Newbery

Fri 4/10

6:20 pm-12:52 pm

2 stops22h 32m

$1,399

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 4/3

7:00 am-2:00 pm

2 stops27h 00m

Buenos Aires Jorge Newbery

Thu 4/9

8:05 pm-12:52 pm

2 stops20h 47m

$1,399

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Sat 4/4

7:00 am-10:30 am

2 stops23h 30m

Buenos Aires Jorge Newbery

Thu 4/9

8:05 pm-12:52 pm

2 stops20h 47m

$1,399

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Sun 4/5

7:00 am-7:40 am

2 stops20h 40m

Buenos Aires Jorge Newbery

Thu 4/9

8:05 pm-12:52 pm

2 stops20h 47m

$1,399

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 2/20

6:45 am-7:55 am

2 stops20h 10m

Buenos Aires Jorge Newbery

Sat 3/7

8:25 pm-11:52 am

2 stops20h 27m

$1,399

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 4/3

7:00 am-12:00 pm

2 stops25h 00m

Buenos Aires Jorge Newbery

Sat 4/11

3:45 pm-12:52 pm

2 stops25h 07m

$1,399

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 41 results
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2
3
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5
  • Most accurate provider: When it comes to deals on San Jose, California-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Buenos Aires flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, April is the cheapest month in which you can book a flight from San Jose, California to Buenos Aires (average of $606). Flying from San Jose, California to Buenos Aires in September is currently the most expensive (average of $1,022). 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.

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 January 21, 2026.
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
9,191 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

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
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

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
11,174 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

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?

    LATAM Airlines and Delta can get you from San Jose, California to Buenos Aires in just under 20h 55m. Your travel time can differ by up to 5h 35m. The distance from San Jose, California to Buenos Aires is about 6421 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 $915 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $1,075 and $1,365 round-trip.

  • 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, April is the cheapest month in which you can book a flight from San Jose, California to Buenos Aires (average of $606). Flying from San Jose, California to Buenos Aires in September is currently the most expensive (average of $1,022). 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$915Average$1,369FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,075Average$1,395FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,365Average$1,485FlexibilityNo cancel feeOn-time69%

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