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Islip

$698+ Cheap flights from San José (SJO) to Islip, NY (ISP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — ISP
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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Cheap flight deals from San José to Islip

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$698
(SmartFares)

Popular in

December

Cheapest in

October

Average price

$398
Provider with most accurate pricing for San José Juan Santamaria Intl-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Islip Long Island flights.
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From San José Juan Santamaria Intl to Islip Long Island
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San José to Islip

Cheapest flights from San José to Islip
Explore the most affordable flight options available from San José to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This SmartFares deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1012:23 pmSJO - ISP
2 stops21h 53mMultiple Airlines
Thu 4/1710:50 amISP - SJO
2 stops25h 34mMultiple Airlines
Deal found 3/2$698
This Southwest deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/108:45 amSJO - ISP
1 stop11h 45mSouthwest
Thu 4/175:00 amISP - SJO
2 stops16h 40mSouthwest
Deal found 3/2$902

Find flights from San José to Islip within your budget

Customize your flight search to find flights from San José to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2025.

Fly from

San José

Fly to

Islip

Route

Depart

Return

Price

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Thu 4/10

12:23 pm-12:16 pm

2 stops21h 53m

Islip Long Island

Thu 4/17

10:50 am-10:24 am

2 stops25h 34m

$698

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Thu 4/10

8:45 am-10:30 pm

1 stop11h 45m

Islip Long Island

Thu 4/17

5:00 am-7:40 pm

2 stops16h 40m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Compare providers for flights from San José to Islip

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 San José to Islip in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 San José, San José Province-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José, San José Province-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José, San José Province-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José, San José Province-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub 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 San José, San José Province-Islip, New York 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 San José to Islip

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

Travel insights for flights from San José to Islip

Get recent, data-driven insights about flights from San José to Islip including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Islip, New York (average of $108). Flying from San José, San José Province to Islip, New York in November is currently the most expensive (average of $213). 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.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated March 3, 2025.
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Crew

8.7

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San José to Islip 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 San José, San José Province to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Islip, New York (average of $108). Flying from San José, San José Province to Islip, New York in November is currently the most expensive (average of $213). 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

Traveling to a place near San José?

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Southampton
Riverhead

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