$653 Cheap Flights from San Jose (SJC) to Buenos Aires (AEP)

View $653 flight on Sun, Mar 1, 2026Opens in a new window

Popular airlines from Norman Y. Mineta San Jose Intl. Airport (SJC) to Buenos Aires (AEP-Aeroparque Jorge Newbery)

Cheap Flights from San Jose to Buenos Aires (SJC-AEP)

Prices were available within the past 7 days and start at $653 for one-way flights and $1,225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, May 6 - Thu, May 14
SJC
San Jose
AEP
Buenos Aires
$1,225 Roundtrip, found 1 hour ago
$1,225
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, May 6 from San Jose to Buenos Aires, returning Thu, May 14, priced at $1,225 found 1 hour ago
LATAM Airlines Group
Wed, May 6 - Thu, May 14
SJC
San Jose
AEP
Buenos Aires
$1,230 Roundtrip, found 1 hour ago
$1,230
Roundtrip
found 1 hour ago
Select LATAM Airlines Group flight, departing Wed, May 6 from San Jose to Buenos Aires, returning Thu, May 14, priced at $1,230 found 1 hour ago
LATAM Airlines Group
Wed, May 6 - Thu, May 14
SJC
San Jose
AEP
Buenos Aires
$1,235 Roundtrip, found 1 hour ago
$1,235
Roundtrip
found 1 hour ago
Select LATAM Airlines Group flight, departing Wed, May 6 from San Jose to Buenos Aires, returning Thu, May 14, priced at $1,235 found 1 hour ago
Delta
Wed, Feb 18 - Wed, Mar 11
SJC
San Jose
AEP
Buenos Aires
$1,237 Roundtrip, found 4 days ago
$1,237
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Feb 18 from San Jose to Buenos Aires, returning Wed, Mar 11, priced at $1,237 found 4 days ago
Alaska Airlines
Wed, May 6 - Thu, May 14
SJC
San Jose
AEP
Buenos Aires
$1,275 Roundtrip, found 1 hour ago
$1,275
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, May 6 from San Jose to Buenos Aires, returning Thu, May 14, priced at $1,275 found 1 hour ago
LATAM Airlines Group
Wed, May 6 - Thu, May 14
SJC
San Jose
AEP
Buenos Aires
$1,280 Roundtrip, found 1 hour ago
$1,280
Roundtrip
found 1 hour ago
Select LATAM Airlines Group flight, departing Wed, May 6 from San Jose to Buenos Aires, returning Thu, May 14, priced at $1,280 found 1 hour ago
LATAM Airlines Group
Sat, Dec 6 - Mon, Dec 15
SJC
San Jose
AEP
Buenos Aires
$1,285 Roundtrip, found 1 day ago
$1,285
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sat, Dec 6 from San Jose to Buenos Aires, returning Mon, Dec 15, priced at $1,285 found 1 day ago
Delta
Mon, May 18 - Sat, May 30
SJC
San Jose
AEP
Buenos Aires
$1,287 Roundtrip, found 4 days ago
$1,287
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, May 18 from San Jose to Buenos Aires, returning Sat, May 30, priced at $1,287 found 4 days ago
LATAM Airlines Group
Sat, Dec 6 - Mon, Dec 15
SJC
San Jose
AEP
Buenos Aires
$1,293 Roundtrip, found 1 day ago
$1,293
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sat, Dec 6 from San Jose to Buenos Aires, returning Mon, Dec 15, priced at $1,293 found 1 day ago
LATAM Airlines Group
Sat, Dec 6 - Mon, Dec 15
SJC
San Jose
AEP
Buenos Aires
$1,309 Roundtrip, found 1 day ago
$1,309
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sat, Dec 6 from San Jose to Buenos Aires, returning Mon, Dec 15, priced at $1,309 found 1 day ago

Alternative airports near Buenos Aires

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ministro Pistarini Intl. EZE. Cheapest option available. Average driving time to city center is 25 minutes. Flights from $1,385
EZE
Ministro Pistarini Intl.
Cheapest
Average driving time to city center25 min
Flights from $1,385
Flights from San Jose (SJC) to Buenos Aires (AEP)
Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Aeroparque Jorge Newbery
Airlines serving
LATAM Airlines Group
Roundtrip price
$1,225
Distance
6425 mi

San Jose to Buenos Aires Flights

The cheapest times to fly from San Jose to Buenos Aires

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Jose to Buenos Aires are during the month of May. You can find some of the cheapest flights from San Jose to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Jose to Buenos Aires

Sunday is one of the best days to book for cheap flights from San Jose to Buenos Aires: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Jose to Buenos Aires

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Jose to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $653 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Jose to Buenos Aires flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Jose to Buenos Aires airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Aeroparque Jorge Newbery Airport (AEP) cost?
Discover the latest flight deals from SJC to AEP by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SJC to AEP?
The cheapest flights from SJC to AEP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SJC to AEP?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SJC to AEP. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Norman Y. Mineta San Jose Intl. Airport (SJC) to Aeroparque Jorge Newbery Airport (AEP)?
You'll need to hop on a flight with a layover when traveling from Norman Y. Mineta San Jose Intl. Airport (SJC) to Aeroparque Jorge Newbery Airport (AEP). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SJC to AEP?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Aeroparque Jorge Newbery Airport (AEP)?
To avoid potential delays on the Norman Y. Mineta San Jose Intl. Airport (SJC) to Aeroparque Jorge Newbery Airport (AEP) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Norman Y. Mineta San Jose Intl. Airport (SJC) to Aeroparque Jorge Newbery Airport (AEP) last-minute?
Waiting until right before your break to book a ticket from SJC to AEP often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of landing a bargain.
Is it cheaper to book a SJC to AEP flight and hotel package?
Compared with arranging flights and hotels separately, booking a SJC to AEP flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Just pick your flights and choose from our wide range of hotels, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Aeroparque Jorge Newbery Airport (AEP)?
If you booked your SJC to AEP flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.