SJO - ISP

$291 Find Cheap Flights from San José to Islip

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San José to Islip departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Islip

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San José to Islip, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San José to Islip, as well as popular online travel agencies
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41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$363
JetBlue
Sat 3/14Sat 3/21
SJO - ISP • 1 stop
Cheapest one-way
$291
JetBlue
Fri 4/3
SJO - ISP • 1 stop
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We hope you love your trip to Islip!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San José to Islip (SJO-ISP)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San José to Islip that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San José to Islip

Sat, Mar 14 - Sat, Mar 21
JetBlue Logo
8:59 am - 11:47 pm
SJO
-
ISP
12h 48m
1 stop
JetBlue Logo
8:25 pm - 7:53 am
ISP
-
SJO
13h 28m
1 stop
$363JetBlue
Thu, Mar 12 - Thu, Mar 19
JetBlue Logo
8:59 am - 7:30 pm
SJO
-
ISP
8h 31m
1 stop
JetBlue Logo
8:25 pm - 7:53 am
ISP
-
SJO
13h 28m
1 stop
$398JetBlue
Fri, May 22 - Tue, May 26
JetBlue Logo
9:00 am - 11:50 am
SJO
-
ISP
24h 50m
1 stop
JetBlue Logo
12:35 pm - 7:53 am
ISP
-
SJO
21h 18m
1 stop
$481JetBlue
Fri, May 22 - Tue, May 26
Multiple Airlines Logo
9:00 am - 11:50 am
SJO
-
ISP
24h 50m
1 stop
Multiple Airlines Logo
1:51 pm - 11:40 pm
ISP
-
SJO
35h 49m
2 stops
$683Multiple Airlines
Fri, May 22 - Tue, May 26
Southwest Logo
9:00 am - 11:30 pm
SJO
-
ISP
12h 30m
2 stops
Southwest Logo
6:30 am - 7:00 pm
ISP
-
SJO
14h 30m
2 stops
$757Southwest
Booking Insights

KAYAK's insights & trends for San José to Islip flights

Get data-powered insights and trends into flights from San José to Islip to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from San José to Islip?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from San José to Islip were found on JetBlue ($363) and Southwest ($757).

Good to know

Cheapest flight$291
Flight from San José to Islip

When to book flights from San José to Islip

Are your dates flexible? Find out the best times to travel from San José to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San José to Islip

  • What is the cheapest flight from San José to Islip?

    In the last 3 days, the lowest price for a flight from San José to Islip was $291 for a one-way ticket and $363 for a round-trip.

  • Do I need a passport to fly between San José and Islip?

    Yes, you'll most likely have to show a valid passport before boarding the plane in San José and on arrival in Islip.

  • Which aircraft models fly most regularly from San José to Islip?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from San José to Islip?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San José to Islip.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San José to Islip?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from San José is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San José to Islip?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to San José with another airline. Booking your flights between San José and ISP can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San José to Islip?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from San José up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports