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$587+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUE
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 30, 2025.

Round-trip from

$1,196
(United Airlines)

One-way from

$587
(Kiwi.com)

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, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($26 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 30, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:16 pmSJC - EZE
1 stop15h 04mUnited Airlines
Thu 11/1311:55 pmEZE - SJC
2 stops25h 58mUnited Airlines
Deal found 6/30$1,196
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/104:22 pmSJC - AEP
3 stops40h 38mMultiple Airlines
Fri 8/154:55 amAEP - SJC
3 stops32h 55mMultiple Airlines
Deal found 6/30$1,198
This LATAM Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 10/306:45 amSJC - EZE
2 stops19h 35mLATAM Airlines
Thu 11/137:43 pmEZE - SJC
2 stops29h 21mLATAM Airlines
Deal found 6/30$1,205
This Delta deal was found by Cheapflights users on 6/30. 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.
Mon 10/67:00 amSJC - EZE
2 stops26h 55mDelta
Mon 10/136:15 amEZE - SJC
2 stops20h 43mDelta
Deal found 6/30$1,305
This LATAM Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 9/412:30 pmSJC - AEP
2 stops21h 30mLATAM Airlines
Mon 9/810:35 amAEP - SJC
2 stops27h 36mLATAM Airlines
Deal found 6/29$1,365
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1011:30 amSJC - EZE
3 stops29h 55mMultiple Airlines
Thu 8/141:40 amEZE - SJC
3 stops24h 50mMultiple Airlines
Deal found 6/30$1,389
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:22 pmSJC - EZE
1 stop15h 48mAmerican Airlines
Sat 12/2010:30 pmEZE - SJC
1 stop16h 30mAmerican Airlines
Deal found 6/28$1,460
This Delta deal was found by Cheapflights users on 6/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2812:17 pmSJC - AEP
2 stops23h 03mDelta
Fri 7/43:40 amAEP - SJC
2 stops23h 15mDelta
Deal found 6/27$10,281

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 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

Thu 10/30

1:16 pm-8:20 am

1 stop15h 04m

Buenos Aires Ministro Pistarini

Thu 11/13

11:55 pm-8:53 pm

2 stops25h 58m

$1,196

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Sun 8/10

4:22 pm-1:00 pm

3 stops40h 38m

Buenos Aires Jorge Newbery

Fri 8/15

4:55 am-9:50 am

3 stops32h 55m

$1,198

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Thu 10/30

6:45 am-6:20 am

2 stops19h 35m

Buenos Aires Ministro Pistarini

Thu 11/13

7:43 pm-8:04 pm

2 stops29h 21m

$1,205

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Mon 10/6

7:00 am-1:55 pm

2 stops26h 55m

Buenos Aires Ministro Pistarini

Mon 10/13

6:15 am-10:58 pm

2 stops20h 43m

$1,305

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Thu 9/4

12:30 pm-2:00 pm

2 stops21h 30m

Buenos Aires Jorge Newbery

Mon 9/8

10:35 am-10:11 am

2 stops27h 36m

$1,365

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sun 8/10

11:30 am-9:25 pm

3 stops29h 55m

Buenos Aires Ministro Pistarini

Thu 8/14

1:40 am-10:30 pm

3 stops24h 50m

$1,389

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Tue 12/2

12:22 pm-9:10 am

1 stop15h 48m

Buenos Aires Ministro Pistarini

Sat 12/20

10:30 pm-10:00 am

1 stop16h 30m

$1,460

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Wed 12/3

6:15 am-9:15 am

2 stops22h 00m

$587

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Wed 12/3

6:15 am-11:20 am

2 stops24h 05m

$600

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Fri 7/18

7:00 am-8:00 am

2 stops21h 00m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 15 results
1
2

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 30, 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.

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 30, 2025.
See what other customers who have flown with Delta, LATAM Airlines, and United 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.
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
1,801 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,969 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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.
Air Canada
7.1
Good
9,657 reviews
Delta
8.0
Very good
7,969 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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), LATAM Airlines ($1,205), and Delta ($1,305) 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 United Airlines. According to our data, you can fly for as low as $648. Users have also found prices from $648 and $672 on LATAM Airlines and Delta, 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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Alternative routes for San Jose to Buenos Aires

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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 30, 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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