Cheap Flights from San José (SJO) to Buenos Aires (BAI)

Popular airlines from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI)

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Flights from San José (SJO) to Buenos Aires (BAI)
Origin airport
Juan Santamaría Intl.
Destination airport
Buenos Aires
Distance
82 mi

San José to Buenos Aires Flights

The cheapest times to fly from San José 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 José to Buenos Aires are during the month of . You can find some of the cheapest flights from San José to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San José 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 José 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 José to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 José 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 José 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 Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI) cost?
Secure a cheap one-way flight or cheap return flight from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI)?
The cheapest month to fly from SJO to BAI is , when demand is low. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from SJO to BAI. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI)?
Nonstop flights from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJO to BAI?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI)?
To arrive at Buenos Aires (BAI) on time, select a flight that leaves Juan Santamaria Intl. Airport (SJO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Buenos Aires from Juan Santamaria Intl. Airport (SJO)?
Juan Santamaria Intl. Airport (SJO) has direct flights to Buenos Aires. These are a few of the airports you can fly to without detours:

  • Puerto Jimenez Airport (PJM)
  • Drake Bay Airport (DRK)
  • Golfito Airport (GLF)

Is it cheaper to buy a plane ticket from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI) last-minute?
Holding off until just before your departure to book a ticket from SJO to BAI often results in higher prices. While you may come across some last-minute offers, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a SJO to BAI flight and hotel package?
You'll generally save money by booking a SJO to BAI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to Buenos Aires (BAI)?
If you reserved your SJO to BAI flight in 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, head to our Customer Service portal for more details.

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*Available to One Key members.