How long is the flight from Islip, New York to San José?

Departing from Islip, New York to San José will take you 7h 44m. The distance between Islip, New York and San José is about 2232 mi.

In terms of precipitation, rainfall in San José ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit San José when rainfall is around 0.0 in.

If weather is an important factor for your trip to San José, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

What is the cheapest time of day to fly from ISP to SJO?

When flying from Islip, New York to San José, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Islip, New York-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-San José flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-San José flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Islip, New York-San José flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Islip to San José that include hotel bookings?

Yes. In addition to deals on Islip to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Islip to San José?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to San José.

Can I find deals for business class flights from Islip to San José?

Yes. Cheapflights offers flight deals from Islip to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$302+ Flights from Islip, NY to San José

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1. Tell us where you want to go

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Find flight deals from Islip to San José

Cheapest flights from Islip to San José
Explore the most affordable flight options available from Islip to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

Wed 11/268:50 pmISP - SJO

1 stop15h 01mJetBlue

Mon 12/16:10 pmSJO - ISP

1 stop14h 45mJetBlue

Deal found 11/16

$696

Best flights from Islip to San José
Discover carefully curated flight deals from Islip to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 17, 2025.

Sun 1/119:40 amISP - SJO

1 stop7h 44mJetBlue

Wed 1/145:30 pmSJO - ISP

1 stop14h 25mJetBlue

Deal found 11/16

$574

Thu 1/112:20 pmISP - SJO

2 stops26h 22mMultiple Airlines

Thu 1/812:33 pmSJO - ISP

1 stop25h 06mMultiple Airlines

Deal found 11/17

$704

Sat 1/179:40 amISP - SJO

1 stop7h 44mJetBlue

Sat 1/245:30 pmSJO - ISP

1 stop14h 25mJetBlue

Deal found 11/15

$599

Sat 2/219:30 amISP - SJO

1 stop27h 26mJetBlue

Sat 2/281:10 pmSJO - ISP

1 stop18h 27mJetBlue

Deal found 11/16

$614

Last-minute flights from Islip to San José
Discover last-minute flight deals from Islip to San José. Data last updated November 17, 2025 and is based on user searches.

Wed 11/268:50 pmISP - SJO

1 stop15h 01mJetBlue

Mon 12/16:10 pmSJO - ISP

1 stop14h 45mJetBlue

Deal found 11/16

$696

One-way flights from Islip to San José
Search for one-way flight options from Islip to San José. Find affordable one-way fares based on user searches. Data last updated November 17, 2025.

Mon 12/110:25 amISP - SJO

1 stop7h 35mJetBlue

Deal found 11/16

$302

Sat 12/2010:46 amISP - SJO

1 stop22h 52mJetBlue

Deal found 11/16

$832

Sun 12/217:40 pmISP - SJO

1 stop14h 13mJetBlue

Deal found 11/17

$880

Cheap flight deals from Islip to San José

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$416 (Kiwi.com)
One-way from	$302 (JetBlue)
Popular in	December
Cheapest in	October
Average price	$379

Provider with most accurate pricing for Islip Long Island-San José Juan Santamaria Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Islip Long Island-San José Juan Santamaria Intl flights.

Search Deals

From Islip Long Island to San José Juan Santamaria Intl

Search Deals

One-way flight from Islip Long Island to San José Juan Santamaria Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sun 1/11

9:40 am-4:24 pm

1 stop7h 44m

San José Juan Santamaria Intl

Wed 1/14

5:30 pm-8:55 am

1 stop14h 25m

$574

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 1/17

9:40 am-4:24 pm

1 stop7h 44m

San José Juan Santamaria Intl

Sat 1/24

5:30 pm-8:55 am

1 stop14h 25m

$599

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 2/21

9:30 am-11:56 am

1 stop27h 26m

San José Juan Santamaria Intl

Sat 2/28

1:10 pm-8:37 am

1 stop18h 27m

$614

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 1/1

12:20 pm-1:42 pm

2 stops26h 22m

San José Juan Santamaria Intl

Thu 1/8

12:33 pm-2:39 pm

1 stop25h 06m

$704

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 12/1

10:25 am-5:00 pm

1 stop7h 35m

$302

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 12/20

10:46 am-8:38 am

1 stop22h 52m

$832

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sun 12/21

7:40 pm-8:53 am

1 stop14h 13m

$880

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Compare providers for flights from Islip to San José

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to San José in November.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Islip, New York-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-San José flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-San José flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Islip, New York-San José flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-San José flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Islip 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 Islip to San José

What is the cheapest month to book a flight from Islip, New York to San José?

Currently, October is the cheapest month in which you can book a flight from Islip, New York to San José (average of $178). Flying from Islip, New York to San José in June is currently the most expensive (average of $272). 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.

Related info for your journey

How long is the flight from Islip, New York to San José?
Departing from Islip, New York to San José will take you 7h 44m. The distance between Islip, New York and San José is about 2232 mi.
Can I find deals for flights from Islip to San José that include hotel bookings?
Yes. In addition to deals on Islip to San José flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to San José?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to San José.
Can I find deals for business class flights from Islip to San José?
Yes. Cheapflights offers flight deals from Islip to San José 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 Islip, New York to San José?
Currently, October is the cheapest month in which you can book a flight from Islip, New York to San José (average of $178). Flying from Islip, New York to San José in June is currently the most expensive (average of $272). 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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Manuel Antonio

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Monteverde

Jacó

Dominical

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$302+ Cheap flights from Islip, NY (ISP) to San José (SJO)

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to San José with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Islip to San José

Cheapest flights from Islip to San JoséExplore the most affordable flight options available from Islip to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

Explore the most affordable flight options available from Islip to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

Cheap flight deals from Islip to San José

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to San José that are best for you.

Compare providers for flights from Islip to San José

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to San José in November.

Best time to book a flight from Islip to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Islip with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Islip to San José

What is the cheapest month to book a flight from Islip, New York to San José?

Related info for your journey

Find useful and relevant information for your journey from Islip to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Islip, New York to San José?

Can I find deals for flights from Islip to San José that include hotel bookings?

How can I find direct flights from Islip to San José?

Can I find deals for business class flights from Islip to San José?

What is the cheapest month to book a flight from Islip, New York to San José?

Traveling to a place near San José?

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Alternative routes for Islip to San José

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Cheapest flights from Islip to San José
Explore the most affordable flight options available from Islip to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.