When did momondo last update prices for flights from Islip Long Island Airport to Costa Rica?

Prices for flights from Islip Long Island Airport to Costa Rica refresh daily.

How old do you have to be to fly from Islip Long Island Airport to Costa Rica?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Costa Rica.

What documentation or ID do you need to fly to Costa Rica?

The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$181 Cheap Flights from Islip, New York to Costa Rica in 2026

Find the cheapest flights from Islip, New York to Costa Rica

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 11:57 amISP Islip Long Island-LIR Liberia

6h 57m1 stop Fort Lauderdale

1:05 pm - 11:22 pmLIR Liberia-ISP Islip Long Island

8h 17m1 stop Fort Lauderdale

$402JetBlue

Mon, Sep 28 - Fri, Oct 2

7:00 am - 11:56 amISP Islip Long Island-SJO San José Juan Santamaria Intl

6h 56m1 stop Fort Lauderdale

1:05 pm - 11:22 pmSJO San José Juan Santamaria Intl-ISP Islip Long Island

8h 17m1 stop Fort Lauderdale

$522JetBlue

Mon, Sep 28 - Fri, Oct 2

6:10 am - 6:45 pmISP Islip Long Island-SJO San José Juan Santamaria Intl

14h 35m2 stops Baltimore/Washington Houston Hobby

1:30 pm - 10:20 amSJO San José Juan Santamaria Intl-ISP Islip Long Island

18h 50m2 stops Houston Hobby Orlando

$526Southwest

Thu, Sep 24 - Thu, Oct 1

7:00 am - 11:56 amISP Islip Long Island-SJO San José Juan Santamaria Intl

6h 56m1 stop Fort Lauderdale

1:05 pm - 11:22 pmSJO San José Juan Santamaria Intl-ISP Islip Long Island

8h 17m1 stop Fort Lauderdale

$548JetBlue

Mon, Sep 28 - Fri, Oct 2

6:45 am - 12:45 pmISP Islip Long Island-SJO San José Juan Santamaria Intl

8h 00m1 stop Orlando

9:00 am - 11:10 pmSJO San José Juan Santamaria Intl-ISP Islip Long Island

12h 10m1 stop Orlando

$636Southwest

Thu, Sep 24 - Thu, Oct 1

6:00 am - 1:01 pmISP Islip Long Island-LIR Liberia

9h 01m1 stop Fort Lauderdale

1:05 pm - 11:22 pmLIR Liberia-ISP Islip Long Island

8h 17m1 stop Fort Lauderdale

$652JetBlue

Mon, Sep 7 - Mon, Sep 14

7:00 am - 11:57 amISP Islip Long Island-LIR Liberia

6h 57m1 stop Fort Lauderdale

1:05 pm - 10:30 amLIR Liberia-ISP Islip Long Island

19h 25m2 stops Fort Lauderdale Boston Logan Intl

$728Multiple Airlines

Mon, Sep 28 - Fri, Oct 2

6:00 am - 12:57 pmISP Islip Long Island-SJO San José Juan Santamaria Intl

8h 57m1 stop Fort Lauderdale

1:05 pm - 11:22 pmSJO San José Juan Santamaria Intl-ISP Islip Long Island

8h 17m1 stop Fort Lauderdale

$749JetBlue

Thu, Sep 3 - Thu, Sep 10

6:00 am - 12:57 pmISP Islip Long Island-SJO San José Juan Santamaria Intl

8h 57m1 stop Fort Lauderdale

1:05 pm - 11:22 pmSJO San José Juan Santamaria Intl-ISP Islip Long Island

8h 17m1 stop Fort Lauderdale

$771JetBlue

Sat, Sep 5 - Sat, Sep 12

7:00 am - 11:56 amISP Islip Long Island-SJO San José Juan Santamaria Intl

6h 56m1 stop Fort Lauderdale

1:05 pm - 11:22 pmSJO San José Juan Santamaria Intl-ISP Islip Long Island

8h 17m1 stop Fort Lauderdale

$880JetBlue

Fri, Sep 25 - Mon, Sep 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

JetBlue flights from Islip, New York to Costa Rica

Our best JetBlue deals on Islip, New York to Costa Rica flight tickets

JetBlue

Sep 28

ISP7:00 amIslip Long Island

6h 57m

1 stop

LIR11:57 amLiberia

Oct 2

LIR1:05 pmLiberia

8h 17m

1 stop

ISP11:22 pmIslip Long Island

$402

JetBlue

Sep 28

ISP7:00 amIslip Long Island

6h 56m

1 stop

SJO11:56 amSan José Juan Santamaria Intl

Oct 2

SJO1:05 pmSan José Juan Santamaria Intl

8h 17m

1 stop

ISP11:22 pmIslip Long Island

$522

JetBlue

Sep 28

ISP7:00 amIslip Long Island

6h 56m

1 stop

SJO11:56 amSan José Juan Santamaria Intl

Oct 2

SJO1:05 pmSan José Juan Santamaria Intl

8h 17m

1 stop

ISP11:22 pmIslip Long Island

$548

Southwest flights from Islip, New York to Costa Rica

Our best Southwest deals on Islip, New York to Costa Rica flight tickets

Southwest

Sep 24

ISP6:10 amIslip Long Island

14h 35m

2 stops

SJO6:45 pmSan José Juan Santamaria Intl

Oct 1

SJO1:30 pmSan José Juan Santamaria Intl

18h 50m

2 stops

ISP10:20 amIslip Long Island

$526

Southwest

Sep 24

ISP6:45 amIslip Long Island

8h 00m

1 stop

SJO12:45 pmSan José Juan Santamaria Intl

Oct 1

SJO9:00 amSan José Juan Santamaria Intl

12h 10m

1 stop

ISP11:10 pmIslip Long Island

$636

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipLiberia

ISP Islip Long Island - LIR Liberia

ISPLIR

Islip Long Island

Mon 9/28

7:00 am-11:57 am

1 stop6h 57m

Liberia

Fri 10/2

1:05 pm-11:22 pm

1 stop8h 17m

$402

Quickest round-trip

IslipSan José

ISP Islip Long Island - SJO San José Juan Santamaria Intl

ISPSJO

Islip Long Island

Mon 9/28

7:00 am-11:56 am

1 stop6h 56m

San José Juan Santamaria Intl

Fri 10/2

1:05 pm-11:22 pm

1 stop8h 17m

$522

IslipSan José

ISP Islip Long Island - SJO San José Juan Santamaria Intl

ISPSJO

Islip Long Island

Thu 9/24

6:10 am-6:45 pm

2 stops14h 35m

San José Juan Santamaria Intl

Thu 10/1

1:30 pm-10:20 am

2 stops18h 50m

$526

IslipSan José

ISP Islip Long Island - SJO San José Juan Santamaria Intl

ISPSJO

Islip Long Island

Mon 9/28

7:00 am-11:56 am

1 stop6h 56m

San José Juan Santamaria Intl

Fri 10/2

1:05 pm-11:22 pm

1 stop8h 17m

$548

IslipSan José

ISP Islip Long Island - SJO San José Juan Santamaria Intl

ISPSJO

Islip Long Island

Thu 9/24

6:45 am-12:45 pm

1 stop8h 00m

San José Juan Santamaria Intl

Thu 10/1

9:00 am-11:10 pm

1 stop12h 10m

$636

IslipLiberia

ISP Islip Long Island - LIR Liberia

ISPLIR

Islip Long Island

Mon 9/7

6:00 am-1:01 pm

1 stop9h 01m

Liberia

Mon 9/14

1:05 pm-11:22 pm

1 stop8h 17m

$652

IslipLiberia

ISP Islip Long Island - LIR Liberia

ISPLIR

Islip Long Island

Mon 9/28

7:00 am-11:57 am

1 stop6h 57m

Liberia

Fri 10/2

1:05 pm-10:30 am

2 stops19h 25m

$728

IslipSan José

ISP Islip Long Island - SJO San José Juan Santamaria Intl

ISPSJO

Islip Long Island

Thu 9/3

6:00 am-12:57 pm

1 stop8h 57m

San José Juan Santamaria Intl

Thu 9/10

1:05 pm-11:22 pm

1 stop8h 17m

$749

IslipSan José

ISP Islip Long Island - SJO San José Juan Santamaria Intl

ISPSJO

Islip Long Island

Sat 9/5

6:00 am-12:57 pm

1 stop8h 57m

San José Juan Santamaria Intl

Sat 9/12

1:05 pm-11:22 pm

1 stop8h 17m

$771

IslipSan José

ISP Islip Long Island - SJO San José Juan Santamaria Intl

ISPSJO

Islip Long Island

Fri 9/25

7:00 am-11:56 am

1 stop6h 56m

San José Juan Santamaria Intl

Mon 9/28

1:05 pm-11:22 pm

1 stop8h 17m

$880

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Islip Long Island to Costa Rica?

JetBlue is the most popular carrier operating from Islip Long Island to Costa Rica

What airlines fly to Costa Rica?

United Airlines, JetBlue and Avianca are the top three most popular airlines that fly to Costa Rica from Islip, New York according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 9 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Costa Rica

Fastest flight time	6h 56m
Direct flights	None

The fastest flight from Islip, New York to Costa Rica takes 6h 56m

There are no direct flights from Islip, New York to Costa Rica. There are no popular flight routes from Islip, New York to Costa Rica.

Search flight deals

Frequently asked questions about flying from Islip, New York to Costa Rica

When did momondo last update prices for flights from Islip Long Island Airport to Costa Rica?
Prices for flights from Islip Long Island Airport to Costa Rica refresh daily.
How old do you have to be to fly from Islip Long Island Airport to Costa Rica?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Costa Rica?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Costa Rica with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Costa Rica flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to Costa Rica?

Once all potential Islip to Costa Rica flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Islip to Costa Rica right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Islip to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 9/10

Thu 9/17

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica

Popular cities

Other flights from Islip, New York

Other flights to Costa Rica

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Costa Rica

Flights to San Joséfrom $264

Flights to Liberiafrom $322

Flights to Limon

Flights to Tamarindo

Flights to Tortuguero

Flights to Golfito

Flights to Tambor

Cheap flights from Islip, New York to Costa Rica from $181

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Costa Rica departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Islip, New York to Costa Rica

Cheap round-trip flights

Cheap one-way flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

JetBlue flights from Islip, New York to Costa Rica

Our best JetBlue deals on Islip, New York to Costa Rica flight tickets

Southwest flights from Islip, New York to Costa Rica

Our best Southwest deals on Islip, New York to Costa Rica flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Costa Rica that are best for you.

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Islip, New York to Costa Rica

What is the cheapest airline that flies from Islip Long Island to Costa Rica?

What airlines fly to Costa Rica?

Cheap Islip, New York to Costa Rica flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Islip, New York to Costa Rica

Why use momondo?

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

Islip, New York flight routes

According to popular flight searches on momondo this year

Costa Rica flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

Complete your trip to Costa Rica

Explore popular destinations other users love

According to popular flight searches on momondo this year