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.

$176 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.

6:00 am - 3:25 pm

ISP

SJO

35h 25m

2 stops

9:35 am - 9:53 am

SJO

ISP

22h 18m

1 stop

$719Multiple Airlines

Thu, Jul 23 - Thu, Jul 30

6:00 am - 12:57 pm

ISP

SJO

8h 57m

1 stop

2:02 pm - 9:49 pm

SJO

ISP

29h 47m

1 stop

$720JetBlue

Mon, Aug 17 - Wed, Aug 19

6:00 am - 7:40 pm

ISP

SJO

15h 40m

2 stops

8:45 am - 11:40 pm

SJO

ISP

12h 55m

2 stops

$725Southwest

Thu, Jul 23 - Thu, Jul 30

6:00 am - 12:57 pm

ISP

SJO

8h 57m

1 stop

2:02 pm - 9:49 pm

SJO

ISP

29h 47m

1 stop

$752JetBlue

Mon, Aug 17 - Wed, Aug 19

6:00 am - 12:57 pm

ISP

SJO

8h 57m

1 stop

2:02 pm - 9:05 am

SJO

ISP

17h 03m

2 stops

$773JetBlue

Mon, Aug 17 - Wed, Aug 19

6:00 am - 3:25 pm

ISP

SJO

35h 25m

2 stops

1:50 am - 9:44 pm

SJO

ISP

17h 54m

2 stops

$790Multiple Airlines

Tue, Jul 21 - Tue, Jul 28

6:00 am - 12:57 pm

ISP

SJO

8h 57m

1 stop

9:35 am - 9:53 am

SJO

ISP

22h 18m

1 stop

$802Multiple Airlines

Sun, Aug 9 - Sun, Aug 16

6:00 am - 12:57 pm

ISP

SJO

8h 57m

1 stop

1:55 pm - 9:49 pm

SJO

ISP

29h 54m

2 stops

$803JetBlue

Mon, Aug 17 - Wed, Aug 19

6:00 am - 12:57 pm

ISP

SJO

8h 57m

1 stop

2:02 pm - 9:05 am

SJO

ISP

17h 03m

2 stops

$806JetBlue

Mon, Aug 17 - Wed, Aug 19

6:20 am - 6:40 pm

ISP

SJO

14h 20m

2 stops

9:00 am - 11:15 pm

SJO

ISP

12h 15m

1 stop

$831Southwest

Sun, Aug 9 - Sun, Aug 16

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JetBlue flights from Islip, New York to Costa Rica

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

JetBlue

Aug 17

ISP6:00 amIslip Long Island

8h 57m

1 stop

SJO12:57 pmSan José Juan Santamaria Intl

Aug 19

SJO2:02 pmSan José Juan Santamaria Intl

29h 47m

1 stop

ISP9:49 pmIslip Long Island

$720

JetBlue

Aug 17

ISP6:00 amIslip Long Island

8h 57m

1 stop

SJO12:57 pmSan José Juan Santamaria Intl

Aug 19

SJO2:02 pmSan José Juan Santamaria Intl

29h 47m

1 stop

ISP9:49 pmIslip Long Island

$752

JetBlue

Aug 17

ISP6:00 amIslip Long Island

8h 57m

1 stop

SJO12:57 pmSan José Juan Santamaria Intl

Aug 19

SJO2:02 pmSan José Juan Santamaria Intl

17h 03m

2 stops

ISP9:05 amIslip Long Island

$773

Southwest flights from Islip, New York to Costa Rica

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

Southwest

Jul 23

ISP6:00 amIslip Long Island

15h 40m

2 stops

SJO7:40 pmSan José Juan Santamaria Intl

Jul 30

SJO8:45 amSan José Juan Santamaria Intl

12h 55m

2 stops

ISP11:40 pmIslip Long Island

$725

Southwest

Aug 9

ISP6:20 amIslip Long Island

14h 20m

2 stops

SJO6:40 pmSan José Juan Santamaria Intl

Aug 16

SJO9:00 amSan José Juan Santamaria Intl

12h 15m

1 stop

ISP11:15 pmIslip Long Island

$831

Southwest

Jul 21

ISP6:00 amIslip Long Island

15h 40m

2 stops

SJO7:40 pmSan José Juan Santamaria Intl

Jul 29

SJO8:45 amSan José Juan Santamaria Intl

11h 55m

1 stop

ISP10:40 pmIslip Long Island

$856

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

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 7/23

6:00 am-3:25 pm

2 stops35h 25m

San José Juan Santamaria Intl

Thu 7/30

9:35 am-9:53 am

1 stop22h 18m

$719

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 8/17

6:00 am-12:57 pm

1 stop8h 57m

San José Juan Santamaria Intl

Wed 8/19

2:02 pm-9:49 pm

1 stop29h 47m

$720

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Thu 7/23

6:00 am-7:40 pm

2 stops15h 40m

San José Juan Santamaria Intl

Thu 7/30

8:45 am-11:40 pm

2 stops12h 55m

$725

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 8/17

6:00 am-12:57 pm

1 stop8h 57m

San José Juan Santamaria Intl

Wed 8/19

2:02 pm-9:49 pm

1 stop29h 47m

$752

Quickest round-trip

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 8/17

6:00 am-12:57 pm

1 stop8h 57m

San José Juan Santamaria Intl

Wed 8/19

2:02 pm-9:05 am

2 stops17h 03m

$773

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Tue 7/21

6:00 am-3:25 pm

2 stops35h 25m

San José Juan Santamaria Intl

Tue 7/28

1:50 am-9:44 pm

2 stops17h 54m

$790

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sun 8/9

6:00 am-12:57 pm

1 stop8h 57m

San José Juan Santamaria Intl

Sun 8/16

9:35 am-9:53 am

1 stop22h 18m

$802

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 8/17

6:00 am-12:57 pm

1 stop8h 57m

San José Juan Santamaria Intl

Wed 8/19

1:55 pm-9:49 pm

2 stops29h 54m

$803

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 8/17

6:00 am-12:57 pm

1 stop8h 57m

San José Juan Santamaria Intl

Wed 8/19

2:02 pm-9:05 am

2 stops17h 03m

$806

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sun 8/9

6:20 am-6:40 pm

2 stops14h 20m

San José Juan Santamaria Intl

Sun 8/16

9:00 am-11:15 pm

1 stop12h 15m

$831

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 and Southwest are the most popular carriers operating from Islip Long Island to Costa Rica

What airlines fly to Costa Rica?

United Airlines, JetBlue and American Airlines 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 52% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 8 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.

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Cheap flights from Islip, New York to Costa Rica from $176

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 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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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

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

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

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

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According to popular flight searches on momondo this year