ISP - SJO

$239 Find Cheap Flights from Islip to San José

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to San José departing on 12/21. 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

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to San José, 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 Islip to San José, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$313
Multiple Airlines
Thu 11/13Thu 11/20
ISP - SJO • 1 stop
Cheapest one-way
$239
Multiple Airlines
Sun 12/21
ISP - SJO • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San José!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to San José 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 Islip to San José

Thu, Nov 13 - Thu, Nov 20
Multiple Airlines Logo
6:37 pm - 11:39 amISP-SJO
18h 02m1 stop
Multiple Airlines Logo
11:24 am - 10:37 amSJO-ISP
22h 13m1 stop
$313Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 20
Multiple Airlines Logo
11:40 am - 11:39 amISP-SJO
24h 59m2 stops
Multiple Airlines Logo
11:24 am - 10:37 amSJO-ISP
22h 13m1 stop
$354Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Multiple Airlines Logo
10:02 am - 10:19 amISP-SJO
25h 17m1 stop
Multiple Airlines Logo
11:24 am - 10:18 amSJO-ISP
21h 54m1 stop
$368Multiple Airlines
Find Deal
Sat, Dec 27 - Sat, Jan 3
JetBlue Logo
7:40 pm - 8:53 amISP-SJO
14h 13m1 stop
JetBlue Logo
10:00 am - 6:44 pmSJO-ISP
7h 44m1 stop
$384JetBlue
Find Deal
Thu, Nov 20 - Mon, Nov 24
Multiple Airlines Logo
10:02 am - 9:56 pmISP-SJO
12h 54m2 stops
Multiple Airlines Logo
11:24 am - 10:18 amSJO-ISP
21h 54m1 stop
$415Multiple Airlines
Find Deal
Thu, Nov 13 - Wed, Nov 19
Multiple Airlines Logo
6:37 pm - 11:39 amISP-SJO
18h 02m1 stop
Multiple Airlines Logo
4:08 am - 10:37 amSJO-ISP
29h 29m2 stops
$420Multiple Airlines
Find Deal
Sat, Feb 21 - Sat, Feb 28
JetBlue Logo
12:10 pm - 12:55 pmISP-SJO
25h 45m1 stop
JetBlue Logo
1:55 pm - 10:00 amSJO-ISP
19h 05m1 stop
$543JetBlue
Find Deal
Thu, Nov 13 - Thu, Nov 20
Multiple Airlines Logo
6:37 pm - 12:25 pmISP-SJO
18h 48m2 stops
Multiple Airlines Logo
1:20 pm - 10:37 amSJO-ISP
20h 17m2 stops
$580Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Southwest Logo
6:15 am - 8:30 pmISP-SJO
15h 15m2 stops
Southwest Logo
9:00 am - 11:50 pmSJO-ISP
13h 50m2 stops
$753Southwest
Find Deal
Thu, Dec 25 - Sat, Jan 3
Frontier Logo
8:16 pm - 1:36 pmISP-SJO
18h 20m2 stops
Frontier Logo
10:41 am - 8:14 pmSJO-ISP
8h 33m1 stop
$1,787Frontier
Find Deal
Booking Insights

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

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

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

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 Islip to San José were found on JetBlue ($384) and Southwest ($753).

Good to know

Cheapest flight$239
Flight from Islip to San José

When to book flights from Islip to San José

Are your dates flexible? Find out the best times to travel from Islip to San José 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 Islip to San José

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

    In the last 3 days, the lowest price for a flight from Islip to San José was $239 for a one-way ticket and $313 for a round-trip.

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

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

  • Which airports will I be using when flying from Islip to San José?

    Islip airport is called Islip Long Island and the only airport in San José is San José Juan Santamaria Intl.

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

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

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

    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 Islip to San José.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San José from Islip 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 Islip to San José?

    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 San José with an airline and back to Islip with another airline. Booking your flights between Islip and SJO 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 Islip to San José?

    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 San José from Islip 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 Islip to San José

Information on your arrival and departure airports

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