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$342+ Cheap flights from Islip, NY (ISP) to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Islip to Spain

Cheapest flights from Islip to Spain
Explore the most affordable flight options available from Islip to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:59 am
ISP
-
MAD
2 stops18h 06m
Multiple Airlines
Wed 5/64:30 pm
MAD
-
ISP
1 stop23h 35m
Multiple Airlines
Deal found 3/15$1,134
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:59 am
ISP
-
BCN
1 stop20h 11m
Multiple Airlines
Mon 5/46:30 pm
BCN
-
ISP
1 stop22h 35m
Multiple Airlines
Deal found 3/13$1,226
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:19 pm
ISP
-
BCN
2 stops35h 26m
JetBlue
Mon 9/1412:50 pm
BCN
-
ISP
2 stops52h 00m
JetBlue
Deal found 3/12$1,228
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:59 am
ISP
-
MAD
1 stop14h 51m
Multiple Airlines
Sun 5/34:20 pm
MAD
-
ISP
2 stops24h 45m
Multiple Airlines
Deal found 3/12$1,231
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:25 am
ISP
-
BCN
1 stop22h 45m
Multiple Airlines
Thu 5/76:30 pm
BCN
-
ISP
2 stops46h 47m
Multiple Airlines
Deal found 3/16$1,404
This Expedia deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:25 pm
ISP
-
AGP
2 stops46h 25m
Multiple Airlines
Thu 5/76:00 pm
AGP
-
ISP
2 stops52h 30m
Multiple Airlines
Deal found 3/16$1,420
This KAYAK deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:30 pm
ISP
-
BCN
2 stops18h 45m
Multiple Airlines
Thu 10/16:30 pm
BCN
-
ISP
1 stop22h 35m
Multiple Airlines
Deal found 3/12$1,449
This KAYAK deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:59 am
ISP
-
BCN
2 stops18h 21m
Multiple Airlines
Thu 10/16:30 pm
BCN
-
ISP
1 stop22h 35m
Multiple Airlines
Deal found 3/12$1,452
This KAYAK deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:30 pm
ISP
-
BCN
2 stops15h 15m
Multiple Airlines
Thu 10/16:30 pm
BCN
-
ISP
1 stop22h 35m
Multiple Airlines
Deal found 3/12$1,462
This KAYAK deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:59 am
ISP
-
BCN
1 stop20h 11m
Multiple Airlines
Mon 9/1411:10 pm
BCN
-
ISP
2 stops26h 35m
Multiple Airlines
Deal found 3/12$1,480
This Ovago deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:59 am
ISP
-
BIO
2 stops20h 46m
Multiple Airlines
Tue 5/56:05 pm
BIO
-
ISP
2 stops31h 40m
Multiple Airlines
Deal found 3/14$1,748
This Ovago deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:30 pm
ISP
-
AGP
2 stops17h 00m
Multiple Airlines
Wed 5/61:30 pm
AGP
-
ISP
2 stops27h 35m
Multiple Airlines
Deal found 3/15$1,751

Find flight deals from Islip to Spain

Keep the following information in mind while searching for Islip to Spain flight deals. Data was last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,134
(Kiwi.com)

One-way from

$342
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$538
Provider with most accurate pricing for New York (NYC)-Barcelona flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Barcelona flights.
Search Deals
From Islip Long Island to Spain
Search Deals
One-way flight from Islip Long Island to Spain
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Islip to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Wed 4/29

9:59 am-10:05 am

2 stops18h 06m

Madrid Barajas

Wed 5/6

4:30 pm-10:05 am

1 stop23h 35m

$1,134

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Mon 4/27

9:59 am-12:10 pm

1 stop20h 11m

Barcelona-El Prat

Mon 5/4

6:30 pm-11:05 am

1 stop22h 35m

$1,226
Quickest round-trip

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Sun 4/26

9:59 am-6:50 am

1 stop14h 51m

Madrid Barajas

Sun 5/3

4:20 pm-11:05 am

2 stops24h 45m

$1,231

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 4/30

7:25 am-12:10 pm

1 stop22h 45m

Barcelona-El Prat

Thu 5/7

6:30 pm-11:17 am

2 stops46h 47m

$1,404

IslipMálaga

ISP - AGP

ISPAGP

Islip Long Island

Thu 4/30

5:25 pm-9:50 pm

2 stops46h 25m

Malaga

Thu 5/7

6:00 pm-4:30 pm

2 stops52h 30m

$1,420

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Wed 9/9

12:30 pm-12:10 pm

1 stop17h 40m

Barcelona-El Prat

Mon 9/14

6:30 pm-11:05 am

1 stop22h 35m

$1,539

IslipBilbao

ISP - BIO

ISPBIO

Islip Long Island

Tue 4/28

9:59 am-12:45 pm

2 stops20h 46m

Bilbao

Tue 5/5

6:05 pm-7:45 pm

2 stops31h 40m

$1,748

IslipMálaga

ISP - AGP

ISPAGP

Islip Long Island

Wed 4/29

12:30 pm-11:30 am

2 stops17h 00m

Malaga

Wed 5/6

1:30 pm-11:05 am

2 stops27h 35m

$1,751

IslipAlicante

ISP - ALC

ISPALC

Islip Long Island

Tue 4/28

9:59 am-1:05 pm

2 stops21h 06m

Alicante

Tue 5/5

8:50 pm-7:45 pm

2 stops28h 55m

$5,604

IslipGranada

ISP - GRX

ISPGRX

Islip Long Island

Thu 4/30

7:25 am-1:10 pm

2 stops23h 45m

Granada Federico Garcia Lorca

Thu 5/7

1:40 pm-11:05 am

2 stops27h 25m

$5,671

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 15 resultsSorted by cheapest first
1
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Best time to book a flight from Islip to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Spain

What is the cheapest month to book a flight from Islip, New York to Spain?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Spain (average of $285). Flying from Islip, New York to Spain in June is currently the most expensive (average of $438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Islip to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Spain?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Spain.

  • What are the most popular routes from Islip, New York to Spain?

    Most travelers choose Islip Long Island - Malaga, Islip Long Island - Alicante or Islip Long Island - Barcelona-El Prat when deciding on the best route from Islip, New York to Spain.

  • Can I find deals for flights from Islip to Spain that include hotel bookings?

    Yes. In addition to deals on Islip to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Spain.

  • Can I find deals for business class flights from Islip to Spain?

    Yes. Cheapflights offers flight deals from Islip to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Spain?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Spain (average of $285). Flying from Islip, New York to Spain in June is currently the most expensive (average of $438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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