Valle Los Leones, Cerro Chirripó, Parque Nacional, Costa Rica

Cheap flights to Cantón San Isidro

View €206 flight on Sat, 22 Aug 2026Opens in a new window

Popular airlines to Cantón San Isidro

  • Air Canada

  • American Airlines

  • Avianca

  • United

  • Delta

  • JetBlue Airways

  • Aeromexico

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Cheap round-trip flights to Cantón San Isidro

Prices were available within the past 7 days and start at €206 for one-way flights and €523 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Thu, 9 Jul - Fri, 17 Jul
ONT
Ontario
SJO
San José
€523 Return, found 1 day ago
€523
Return
found 1 day ago
Select avianca flight, departing Thu, 9 Jul from Ontario to San José, returning Fri, 17 Jul, priced at €523 found 1 day ago
avianca
Fri, 22 Jan - Fri, 12 Feb
LAX
Los Angeles
SJO
San José
€553 Return, found 4 days ago
€553
Return
found 4 days ago
Select avianca flight, departing Fri, 22 Jan from Los Angeles to San José, returning Fri, 12 Feb, priced at €553 found 4 days ago
Delta
Fri, 1 Jan - Fri, 15 Jan
LAX
Los Angeles
SJO
San José
€597 Return, found 4 days ago
€597
Return
found 4 days ago
Select Delta flight, departing Fri, 1 Jan from Los Angeles to San José, returning Fri, 15 Jan, priced at €597 found 4 days ago
United
Fri, 22 Jan - Fri, 12 Feb
ONT
Ontario
SJO
San José
€600 Return, found 4 days ago
€600
Return
found 4 days ago
Select United flight, departing Fri, 22 Jan from Ontario to San José, returning Fri, 12 Feb, priced at €600 found 4 days ago
Copa
Sun, 9 Aug - Tue, 18 Aug
LAX
Los Angeles
SJO
San José
€616 Return, found 1 day ago
€616
Return
found 1 day ago
Select Copa flight, departing Sun, 9 Aug from Los Angeles to San José, returning Tue, 18 Aug, priced at €616 found 1 day ago
American Airlines
Fri, 1 Jan - Fri, 15 Jan
ONT
Ontario
SJO
San José
€623 Return, found 4 days ago
€623
Return
found 4 days ago
Select American Airlines flight, departing Fri, 1 Jan from Ontario to San José, returning Fri, 15 Jan, priced at €623 found 4 days ago
Air Canada
Fri, 12 Feb - Wed, 24 Feb
BRU
Brussels
SJO
San José
€642 Return, found 2 days ago
€642
Return
found 2 days ago
Select Air Canada flight, departing Fri, 12 Feb from Brussels to San José, returning Wed, 24 Feb, priced at €642 found 2 days ago
KLM
Sat, 12 Sept - Tue, 6 Oct
MAD
Madrid
SJO
San José
€643 Return, found 4 days ago
€643
Return
found 4 days ago
Select KLM flight, departing Sat, 12 Sept from Madrid to San José, returning Tue, 6 Oct, priced at €643 found 4 days ago
JetBlue Airways
Sun, 9 Aug - Tue, 18 Aug
LAX
Los Angeles
SJO
San José
€647 Return, found 1 day ago
€647
Return
found 1 day ago
Select JetBlue Airways flight, departing Sun, 9 Aug from Los Angeles to San José, returning Tue, 18 Aug, priced at €647 found 1 day ago
British Airways
Mon, 26 Oct - Sun, 1 Nov
DUB
Dublin
SJO
San José
€655 Return, found 1 day ago
€655
Return
found 1 day ago
Select British Airways flight, departing Mon, 26 Oct from Dublin to San José, returning Sun, 1 Nov, priced at €655 found 1 day ago

Trending flights to Cantón San Isidro

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, 26 Oct - Sun, 1 Nov
DUB
Dublin
SJO
San José
€655 Return, found 1 day ago
€655
Return
found 1 day ago
Select British Airways flight, departing Mon, 26 Oct from Dublin to San José, returning Sun, 1 Nov, priced at €655 found 1 day ago

Frequently asked questions

How do I find cheap flights to Cantón San Isidro that have flexible change policies?
We understand that travel plans can change very quickly, so choosing a flexible ticket with Expedia is always a smart move. Tick the "No change fee" box directly under the "Flexible change policies" filter. Your well-priced and flexible flight to Cantón San Isidro is just a few clicks away.
How can I find cheap tickets to Cantón San Isidro?
One of the best ways to find cheap tickets to Cantón San Isidro is to be flexible with your dates. Search for your flights, then click "flexible dates" at the top of your results. It will bring up the cheapest prices for nearby days. The best price for a flight to Cantón San Isidro in the last seven days was €523. Booking in advance will usually help you walk away with an even bigger bargain.
How much is a flight to Cantón San Isidro?
One-way flights taking off from Ontario (ONT) sold for as low as €206 in the last seven days. During this period, the cost of a round-trip fare to Cantón San Isidro ranged between €523 and €655. If you find a bargain ticket, book ASAP — these fares don't hang around.
How much is a plane ticket to Cantón San Isidro?
In the last seven days, tickets to Cantón San Isidro ranged between €523 and €655. Prices depend on the time of departure, airline, seating class and how early the fare is booked.
What months are the cheapest to book a flight to Cantón San Isidro?
February is a cheap month to book your Cantón San Isidro trip. Airfares are at a premium over the busy month of December, so keep clear of this time if possible.

Book with confidence

About Cantón San Isidro

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About Cantón San Isidro
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