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$568+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
fev 28 — mar 71
sáb 2/28
sáb 3/7
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 janeiro 29, 2026.

This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/1511:30 am
SJC
-
AEP
3 stops27h 10m
Multiple Airlines
dom 3/225:10 pm
AEP
-
SJC
3 stops44h 40m
Multiple Airlines
Deal found 1/28$1,099
This eDestinos deal was found by Cheapflights users on 1/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/17:43 pm
SJC
-
AEP
3 stops56h 47m
Multiple Airlines
sáb 5/96:28 pm
AEP
-
SJC
3 stops76h 21m
Multiple Airlines
Deal found 1/27$1,145
This Mytrip deal was found by Cheapflights users on 1/27. 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.
dom 3/811:30 am
SJC
-
AEP
3 stops24h 30m
Multiple Airlines
dom 3/155:10 pm
AEP
-
SJC
3 stops44h 40m
Multiple Airlines
Deal found 1/27$1,157
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 3/1511:30 am
SJC
-
EZE
3 stops24h 20m
Multiple Airlines
dom 3/223:55 pm
EZE
-
SJC
3 stops45h 55m
Multiple Airlines
Deal found 1/28$1,183
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 3/611:30 am
SJC
-
EZE
3 stops22h 25m
Multiple Airlines
qui 3/127:30 am
EZE
-
SJC
3 stops30h 20m
Multiple Airlines
Deal found 1/28$1,226
This KAYAK deal was found by Cheapflights users on 1/27. 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.
qua 7/2912:45 pm
SJC
-
EZE
2 stops18h 45m
LATAM Airlines
sáb 8/810:40 pm
EZE
-
SJC
2 stops23h 57m
LATAM Airlines
Deal found 1/27$1,273
This LATAM Airlines deal was found by Cheapflights users on 1/27. 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.
sáb 7/1112:45 pm
SJC
-
EZE
1 stop17h 00m
Multiple Airlines
seg 7/208:10 pm
EZE
-
SJC
1 stop26h 27m
Multiple Airlines
Deal found 1/27$1,277
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 7/115:05 pm
SJC
-
EZE
2 stops39h 17m
LATAM Airlines
seg 7/2011:30 am
EZE
-
SJC
2 stops27h 23m
LATAM Airlines
Deal found 1/27$1,314
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 7/115:05 pm
SJC
-
AEP
2 stops41h 40m
LATAM Airlines
seg 7/203:40 pm
AEP
-
SJC
2 stops23h 13m
LATAM Airlines
Deal found 1/27$1,314
This Ovago deal was found by Cheapflights users on 1/27. 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.
sáb 7/255:05 pm
SJC
-
EZE
2 stops38h 25m
LATAM Airlines
sáb 8/228:10 pm
EZE
-
SJC
1 stop26h 27m
LATAM Airlines
Deal found 1/27$1,326
This Gurufare deal was found by Cheapflights users on 1/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/1512:45 pm
SJC
-
EZE
1 stop17h 00m
LATAM Airlines
sáb 8/158:10 pm
EZE
-
SJC
1 stop26h 27m
LATAM Airlines
Deal found 1/27$1,341
This United Airlines deal was found by Cheapflights users on 1/26. 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.
sex 5/112:56 pm
SJC
-
EZE
1 stop15h 04m
United Airlines
qui 5/149:00 pm
EZE
-
SJC
1 stop19h 00m
United Airlines
Deal found 1/26$1,367

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 janeiro 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,099
(Mytrip)

One-way from

$568
(Kiwi.com)
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.
Search Deals
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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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 janeiro 29, 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

dom 3/15

11:30 am-6:40 pm

3 stops27h 10m

Buenos Aires Jorge Newbery

dom 3/22

5:10 pm-9:50 am

3 stops44h 40m

$1,099

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

sex 5/1

7:43 pm-8:30 am

3 stops56h 47m

Buenos Aires Jorge Newbery

sáb 5/9

6:28 pm-6:49 pm

3 stops76h 21m

$1,145

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

dom 3/8

11:30 am-4:00 pm

3 stops24h 30m

Buenos Aires Jorge Newbery

dom 3/15

5:10 pm-9:50 am

3 stops44h 40m

$1,157

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

sex 3/6

11:30 am-2:55 pm

3 stops22h 25m

Buenos Aires Ministro Pistarini

qui 3/12

7:30 am-9:50 am

3 stops30h 20m

$1,226

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

sáb 7/11

12:45 pm-9:45 am

1 stop17h 00m

Buenos Aires Ministro Pistarini

seg 7/20

7:21 pm-10:53 am

2 stops19h 32m

$1,277

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

sáb 7/11

5:05 pm-2:45 pm

2 stops41h 40m

Buenos Aires Jorge Newbery

seg 7/20

3:40 pm-10:53 am

2 stops23h 13m

$1,314

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

sex 5/1

12:56 pm-8:00 am

1 stop15h 04m

Buenos Aires Ministro Pistarini

qui 5/14

9:00 pm-12:00 pm

1 stop19h 00m

$1,367

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

sex 5/1

6:00 pm-4:00 pm

2 stops18h 00m

Buenos Aires Jorge Newbery

qui 5/14

6:20 pm-10:53 am

2 stops20h 33m

$1,367

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

dom 2/8

9:15 am-9:00 am

2 stops18h 45m

Buenos Aires Ministro Pistarini

ter 2/17

8:55 pm-12:39 pm

1 stop20h 44m

$1,370

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

sex 5/1

9:59 am-9:45 am

2 stops19h 46m

Buenos Aires Ministro Pistarini

qui 5/14

8:10 pm-10:53 am

2 stops18h 43m

$1,371

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 28 results
1
2
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  • 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 janeiro 29, 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
9,215 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

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
11,205 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

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 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 26h 36m. 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 $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 janeiro 29, 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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