What airlines fly to Islip, New York?

United Airlines, JetBlue and American Airlines are the top three most popular airlines that fly to Islip, New York from San José according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 8 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San José Juan Santamaria Intl to Islip Long Island?

JetBlue is the most popular carrier operating from San José Juan Santamaria Intl to Islip Long Island

When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Islip Long Island Airport?

Prices for flights from San José Juan Santamaria Intl Airport to Islip Long Island Airport refresh daily.

How old do you have to be to fly from San José Juan Santamaria Intl Airport to Islip Long Island Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$302 Cheap Flights from San José to Islip in 2025/26

1 adult

0 bags

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

Find the cheapest flights from San José to New York

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 pm - 9:02 am

SJO

ISP

14h 32m1 stop

12:25 pm - 1:00 pm

ISP

SJO

25h 35m1 stop

$397JetBlue

Tue, Jan 13 - Wed, Jan 28

12:33 pm - 10:46 pm

SJO

ISP

9h 13m1 stop

11:50 am - 3:30 pm

ISP

SJO

52h 40m2 stops

$460Multiple Airlines

Tue, Jan 13 - Wed, Jan 28

1:30 pm - 7:51 pm

SJO

ISP

29h 21m2 stops

7:43 pm - 11:37 am

ISP

SJO

16h 54m1 stop

$464Multiple Airlines

Sun, Jan 11 - Mon, Jan 26

12:33 pm - 11:10 am

SJO

ISP

45h 37m2 stops

7:43 pm - 11:37 am

ISP

SJO

16h 54m1 stop

$484Multiple Airlines

Thu, Jan 8 - Mon, Jan 26

5:30 pm - 8:52 am

SJO

ISP

14h 22m1 stop

10:00 am - 11:51 am

ISP

SJO

26h 51m1 stop

$547JetBlue

Thu, Jan 8 - Mon, Jan 26

9:40 am - 9:55 pm

SJO

ISP

11h 15m2 stops

6:00 am - 7:30 pm

ISP

SJO

14h 30m2 stops

$563Southwest

Tue, Jan 13 - Wed, Jan 28

12:33 pm - 7:51 pm

SJO

ISP

30h 18m1 stop

7:43 pm - 11:37 am

ISP

SJO

16h 54m1 stop

$566Multiple Airlines

Sun, Jan 11 - Mon, Jan 26

5:30 pm - 8:52 am

SJO

ISP

14h 22m1 stop

10:00 am - 4:23 pm

ISP

SJO

7h 23m1 stop

$573JetBlue

Wed, Jan 28 - Wed, Feb 4

5:30 pm - 8:52 am

SJO

ISP

14h 22m1 stop

10:00 am - 4:23 pm

ISP

SJO

7h 23m1 stop

$600JetBlue

Fri, Jan 23 - Mon, Jan 26

5:30 pm - 8:52 am

SJO

ISP

14h 22m1 stop

10:00 am - 4:23 pm

ISP

SJO

7h 23m1 stop

$604JetBlue

Fri, Jan 23 - Mon, Jan 26

JetBlue flights from San José to Islip, New York

Our best JetBlue deals on San José to Islip, New York flight tickets

JetBlue

Jan 13

SJO5:30 pmSan José Juan Santamaria Intl

14h 32m

1 stop

ISP9:02 amIslip Long Island

Jan 28

ISP12:25 pmIslip Long Island

25h 35m

1 stop

SJO1:00 pmSan José Juan Santamaria Intl

$397

Find similar

JetBlue

Jan 8

SJO5:30 pmSan José Juan Santamaria Intl

14h 22m

1 stop

ISP8:52 amIslip Long Island

Jan 26

ISP10:00 amIslip Long Island

26h 51m

1 stop

SJO11:51 amSan José Juan Santamaria Intl

$547

Find similar

JetBlue

Jan 28

SJO5:30 pmSan José Juan Santamaria Intl

14h 22m

1 stop

ISP8:52 amIslip Long Island

Feb 4

ISP10:00 amIslip Long Island

7h 23m

1 stop

SJO4:23 pmSan José Juan Santamaria Intl

$573

Find similar

Southwest flights from San José to Islip, New York

Our best Southwest deals on San José to Islip, New York flight tickets

Southwest

Jan 13

SJO9:40 amSan José Juan Santamaria Intl

11h 15m

2 stops

ISP9:55 pmIslip Long Island

Jan 28

ISP6:00 amIslip Long Island

14h 30m

2 stops

SJO7:30 pmSan José Juan Santamaria Intl

$563

Find similar

Southwest

Jan 8

SJO9:40 amSan José Juan Santamaria Intl

11h 15m

2 stops

ISP9:55 pmIslip Long Island

Jan 26

ISP6:00 amIslip Long Island

14h 30m

2 stops

SJO7:30 pmSan José Juan Santamaria Intl

$884

Find similar

Southwest

Dec 22

SJO9:00 amSan José Juan Santamaria Intl

13h 55m

2 stops

ISP11:55 pmIslip Long Island

Dec 28

ISP5:40 amIslip Long Island

15h 50m

2 stops

SJO8:30 pmSan José Juan Santamaria Intl

$1,226

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Tue 1/13

5:30 pm-9:02 am

1 stop14h 32m

Islip Long Island

Wed 1/28

12:25 pm-1:00 pm

1 stop25h 35m

$397

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Tue 1/13

12:33 pm-10:46 pm

1 stop9h 13m

Islip Long Island

Wed 1/28

11:50 am-3:30 pm

2 stops52h 40m

$460

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Sun 1/11

1:30 pm-7:51 pm

2 stops29h 21m

Islip Long Island

Mon 1/26

7:43 pm-11:37 am

1 stop16h 54m

$464

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Thu 1/8

12:33 pm-11:10 am

2 stops45h 37m

Islip Long Island

Mon 1/26

7:43 pm-11:37 am

1 stop16h 54m

$484

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Thu 1/8

5:30 pm-8:52 am

1 stop14h 22m

Islip Long Island

Mon 1/26

10:00 am-11:51 am

1 stop26h 51m

$547

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Tue 1/13

9:40 am-9:55 pm

2 stops11h 15m

Islip Long Island

Wed 1/28

6:00 am-7:30 pm

2 stops14h 30m

$563

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Sun 1/11

12:33 pm-7:51 pm

1 stop30h 18m

Islip Long Island

Mon 1/26

7:43 pm-11:37 am

1 stop16h 54m

$566

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Wed 1/28

5:30 pm-8:52 am

1 stop14h 22m

Islip Long Island

Wed 2/4

10:00 am-4:23 pm

1 stop7h 23m

$573

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Fri 1/23

5:30 pm-8:52 am

1 stop14h 22m

Islip Long Island

Mon 1/26

10:00 am-4:23 pm

1 stop7h 23m

$600

San JoséIslip

SJO - ISP

SJOISP

San José Juan Santamaria Intl

Fri 1/23

5:30 pm-8:52 am

1 stop14h 22m

Islip Long Island

Mon 1/26

10:00 am-4:23 pm

1 stop7h 23m

$604

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from San José to Islip, New York

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

Prices

Airlines

Can stopping save me money on San José to Islip, New York flights?

You could potentially save up to 42% on your flight if you consider stops on a San José to Islip, New York flight.

When to book flights from San José to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from San José to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San José to Islip, New York (SJO to ISP) flight deals and tips

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

Fastest flight time	10h 24m
Direct flights	None

The fastest flight from San José to Islip, New York takes 10h 24m

There are no direct flights from San José to Islip, New York. There are no popular flight routes from San José to Islip, New York.

Search flight deals

How far is San José Juan Santamaria Intl to Islip Long Island by plane?
The straight-line distance from San José Juan Santamaria Intl to Islip Long Island is 2228.0 mi. By plane, this route typically takes 10h 24m.
When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Islip Long Island Airport?
Prices for flights from San José Juan Santamaria Intl Airport to Islip Long Island Airport refresh daily.
How old do you have to be to fly from San José Juan Santamaria Intl Airport to Islip Long Island Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from San José to Islip?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San José to Islip. momondo saves you time and could save you money on your trip.

Can I find flights from San José to Islip with flexible booking policies on momondo?

Yes. All flights to Islip from San José on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San José to Islip?

Once you have performed a search for San José to Islip flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for San José to Islip 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.