$259 Cheap Flights to San Isidro

View $259 flight on Fri, Sep 11, 2026Opens in a new window

Popular airlines to San Isidro

How much is the cheapest flight to San Isidro?

Prices were available within the past 7 days and start at $259 for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Mon, Apr 13 - Tue, Apr 21
SJO
San José
EZE
Buenos Aires
$499 Roundtrip, found 5 days ago
$499
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Mon, Apr 13 from San José to Buenos Aires, returning Tue, Apr 21, priced at $499 found 5 days ago
Copa
Sun, Apr 19 - Fri, May 1
SJO
San José
EZE
Buenos Aires
$539 Roundtrip, found 4 days ago
$539
Roundtrip
found 4 days ago
Select Copa flight, departing Sun, Apr 19 from San José to Buenos Aires, returning Fri, May 1, priced at $539 found 4 days ago
avianca
Tue, Jul 7 - Tue, Jul 14
SJO
San José
EZE
Buenos Aires
$573 Roundtrip, found 3 days ago
$573
Roundtrip
found 3 days ago
Select avianca flight, departing Tue, Jul 7 from San José to Buenos Aires, returning Tue, Jul 14, priced at $573 found 3 days ago
Arajet
Wed, Jun 3 - Fri, Jun 12
MIA
Miami
EZE
Buenos Aires
$602 Roundtrip, found 9 hours ago
$602
Roundtrip
found 9 hours ago
Select Arajet flight, departing Wed, Jun 3 from Miami to Buenos Aires, returning Fri, Jun 12, priced at $602 found 9 hours ago
SKY AIRLINE
Sat, Jun 6 - Wed, Jun 10
MIA
Miami
AEP
Buenos Aires
$637 Roundtrip, found 1 day ago
$637
Roundtrip
found 1 day ago
Select SKY AIRLINE flight, departing Sat, Jun 6 from Miami to Buenos Aires, returning Wed, Jun 10, priced at $637 found 1 day ago

Frequently asked questions

What month is the cheapest to fly to San Isidro?
Schedule your trip for April if you want to get a good price on your fare. It's the cheapest month to fly to San Isidro. Try to avoid traveling during busy periods such as public holidays or major events.
Which US cities fly direct to San Isidro?
To fly to San Isidro without a stopover, check the "Direct flights only" box when you look for journeys on Expedia and we'll show you all the available options to compare.
How to find a cheap flight to San Isidro?
To lock in cheap flights to San Isidro, book early and travel during the off-peak months of February and July. After another tip? Take off on a Thursday and save 16% on average compared to traveling on a Sunday.* Set up price tracking on the Expedia app and we'll update you as soon as your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to San Isidro?
While booking in advance is generally the easiest way to save money, don't panic if your San Isidro trip is last minute. It's still possible to find cheap flights to San Isidro, especially if your plans have some flexibility. Try changing your trip dates, looking at different ticket options or departing from another airport.
How far in advance should I book a flight to San Isidro?
Book your flight to San Isidro two to four months ahead if you're visiting from an international destination. For domestic travel, the general guideline is 28 days in advance. Cheaper fares and a wider variety of departure dates, schedules and seating options are just a few of the benefits of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to San Isidro?
Sundays are typically the best day to book a cheap flight to San Isidro, where you can save 8% on average compared to a Friday. If you purchase tickets on a Friday, expect to pay a higher price as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to San Isidro?
A total of 8 carriers connect 50 airports all over the world to San Isidro. Here are some of the leading airlines to San Isidro, where Aeroparque Jorge Newbery Airport (AEP) is the major arrival point:

  • Aerolineas Argentinas
  • LATAM Airlines
  • Gol
  • Paranair

Where do you fly into San Isidro?
If you're flying to San Isidro, the main hub to land at is Aeroparque Jorge Newbery Airport (AEP). Another option is to fly to San Isidro via Ministro Pistarini Intl. Airport (EZE).
How far is the airport from central San Isidro?
Landing at Aeroparque Jorge Newbery Airport (AEP) puts you roughly 9 mi southeast of the center of San Isidro.
Can I save money by booking a San Isidro trip package?
Bundle your hotel and flight and you could save hundreds of dollars. Better yet, you can add extras like tours and car rentals to your San Isidro flight and hotel package deal. With Expedia, it's simple to organize all your San Isidro travel plans in the same place.
Can I change or cancel my flight to San Isidro?
You can typically change or cancel your flight to San Isidro within 24 hours of booking. However, be mindful that some flights are non-refundable. In those cases, you may receive credit for future travel rather than a direct refund. Make sure you check the airline's rules and restrictions in your itinerary for specific details. You can use Expedia's "No cancel fee" or "Changes included" filters during your search to find cheap flights to San Isidro with flexible change policies. For additional information, visit our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Ministro Pistarini Intl.
Destination airport IATA code
EZE
Destination city name
Buenos Aires
Roundtrip price
$498

Trending flights to San Isidro

Prices were available within the past 7 days and start at $259 for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Copa
Wed, May 6 - Sun, May 17
IAD
Washington
EZE
Buenos Aires
$589 Roundtrip, found 1 hour ago
$589
Roundtrip
found 1 hour ago
Select Copa flight, departing Wed, May 6 from Washington to Buenos Aires, returning Sun, May 17, priced at $589 found 1 hour ago

Explore a world of travel with Expedia