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$1,507+ Cheap flights from Islip, NY (ISP) to Spain

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
May 5 — May 121
Tue 5/5
Tue 5/12
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 April 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/187:25 am
ISP
-
MAD
2 stops25h 55m
Multiple Airlines
Mon 5/254:30 pm
MAD
-
ISP
1 stop30h 47m
Multiple Airlines
Deal found 4/3$1,507
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:59 am
ISP
-
BCN
3 stops30h 31m
Multiple Airlines
Sat 4/188:20 pm
BCN
-
ISP
2 stops28h 24m
Multiple Airlines
Deal found 4/1$1,705
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/2112:30 pm
ISP
-
BCN
2 stops42h 00m
Multiple Airlines
Thu 5/286:30 pm
BCN
-
ISP
1 stop22h 35m
Multiple Airlines
Deal found 4/5$1,751
This Expedia deal was found by Cheapflights users on 4/2. 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.
Mon 5/186:40 pm
ISP
-
AGP
2 stops58h 50m
Multiple Airlines
Mon 5/256:00 pm
AGP
-
ISP
2 stops49h 39m
Multiple Airlines
Deal found 4/2$1,793
This Expedia deal was found by Cheapflights users on 4/5. 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 5/212:35 pm
ISP
-
MAD
2 stops37h 20m
Multiple Airlines
Thu 5/287:30 am
MAD
-
ISP
2 stops36h 09m
Multiple Airlines
Deal found 4/5$1,798
This Expedia deal was found by Cheapflights users on 4/2. 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.
Sun 5/176:40 pm
ISP
-
BCN
2 stops45h 50m
Multiple Airlines
Sun 5/2411:10 pm
BCN
-
ISP
2 stops44h 29m
Multiple Airlines
Deal found 4/2$1,956
This Ovago deal was found by Cheapflights users on 4/2. 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.
Sun 5/177:25 am
ISP
-
GRX
2 stops23h 45m
Multiple Airlines
Sun 5/249:15 am
GRX
-
ISP
2 stops36h 55m
Multiple Airlines
Deal found 4/2$2,077
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/1511:50 am
ISP
-
MAD
2 stops22h 50m
Multiple Airlines
Tue 4/215:30 pm
MAD
-
ISP
1 stop31h 14m
Multiple Airlines
Deal found 4/2$2,084
This BusinessClass deal was found by Cheapflights users on 4/4. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:30 pm
ISP
-
MAD
1 stop16h 00m
Multiple Airlines
Tue 5/267:00 am
MAD
-
ISP
2 stops15h 10m
Multiple Airlines
Deal found 4/4$8,896
This Orbitz deal was found by Cheapflights users on 4/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:25 am
ISP
-
MAD
2 stops36h 10m
Multiple Airlines
Thu 8/207:30 am
MAD
-
ISP
2 stops33h 05m
Multiple Airlines
Deal found 4/1$9,520

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 April 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,507
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$498
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
Highest demand for flights based on searches. 23% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 5, 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

Mon 5/18

7:25 am-3:20 pm

2 stops25h 55m

Madrid Barajas

Mon 5/25

4:30 pm-5:17 pm

1 stop30h 47m

$1,507

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Wed 4/15

9:59 am-10:30 pm

3 stops30h 31m

Barcelona-El Prat

Sat 4/18

8:20 pm-6:44 pm

2 stops28h 24m

$1,705

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 5/21

12:30 pm-12:30 pm

2 stops42h 00m

Barcelona-El Prat

Thu 5/28

6:30 pm-11:05 am

1 stop22h 35m

$1,751

IslipMálaga

ISP - AGP

ISPAGP

Islip Long Island

Mon 5/18

6:40 pm-11:30 am

2 stops58h 50m

Malaga

Mon 5/25

6:00 pm-1:39 pm

2 stops49h 39m

$1,793

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Thu 5/21

2:35 pm-9:55 am

2 stops37h 20m

Madrid Barajas

Thu 5/28

7:30 am-1:39 pm

2 stops36h 09m

$1,798

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sun 5/17

6:40 pm-10:30 pm

2 stops45h 50m

Barcelona-El Prat

Sun 5/24

11:10 pm-1:39 pm

2 stops44h 29m

$1,956

IslipGranada

ISP - GRX

ISPGRX

Islip Long Island

Sun 5/17

7:25 am-1:10 pm

2 stops23h 45m

Granada Federico Garcia Lorca

Sun 5/24

9:15 am-4:10 pm

2 stops36h 55m

$2,077

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Wed 4/15

9:59 am-10:30 am

1 stop18h 31m

Madrid Barajas

Tue 4/21

5:30 pm-6:44 pm

1 stop31h 14m

$2,948
Quickest round-trip

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Tue 5/19

12:30 pm-10:30 am

1 stop16h 00m

Madrid Barajas

Tue 5/26

7:00 am-4:10 pm

2 stops15h 10m

$8,896

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Tue 7/21

11:25 am-5:35 am

2 stops36h 10m

Madrid Barajas

Thu 8/20

7:30 am-10:35 am

2 stops33h 05m

$9,520

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 11 resultsSorted by cheapest first
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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 $448). 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 - Barcelona-El Prat, Islip Long Island - Madrid Barajas or Islip Long Island - Malaga 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 $448). 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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