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$393+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/20. 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 5/44:07 pm
ISP
-
MAD
1 stop14h 38m
Multiple Airlines
Mon 5/119:30 am
MAD
-
ISP
2 stops31h 30m
Multiple Airlines
Deal found 3/20$999
This Expedia deal was found by Cheapflights users on 3/21. 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.
Tue 5/56:40 pm
ISP
-
BCN
2 stops45h 50m
Multiple Airlines
Tue 5/1211:10 pm
BCN
-
ISP
2 stops48h 34m
Multiple Airlines
Deal found 3/21$1,159
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Sat 5/212:30 pm
ISP
-
BCN
1 stop17h 40m
Multiple Airlines
Sat 5/97:10 am
BCN
-
ISP
2 stops33h 05m
Multiple Airlines
Deal found 3/18$1,280
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Fri 5/19:59 am
ISP
-
MAD
1 stop14h 51m
Multiple Airlines
Fri 5/89:45 pm
MAD
-
ISP
2 stops42h 30m
Multiple Airlines
Deal found 3/17$1,325
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Sat 5/212:30 pm
ISP
-
MAD
2 stops39h 35m
Multiple Airlines
Sat 5/94:30 pm
MAD
-
ISP
1 stop23h 45m
Multiple Airlines
Deal found 3/18$1,366
This Ovago deal was found by Cheapflights users on 3/18. 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.
Sat 5/212:30 pm
ISP
-
GRX
2 stops22h 40m
Multiple Airlines
Sat 5/99:40 pm
GRX
-
ISP
2 stops28h 05m
Multiple Airlines
Deal found 3/18$1,693
This Ovago deal was found by Cheapflights users on 3/19. 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 5/312:30 pm
ISP
-
BCN
2 stops15h 50m
Multiple Airlines
Sun 5/1010:35 am
BCN
-
ISP
2 stops15h 10m
Multiple Airlines
Deal found 3/19$1,900
This Ovago deal was found by Cheapflights users on 3/18. 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.
Sat 5/212:30 pm
ISP
-
TFS
2 stops16h 30m
Multiple Airlines
Sat 5/98:25 pm
TFS
-
ISP
2 stops28h 20m
Multiple Airlines
Deal found 3/18$2,168
This Mytrip deal was found by Cheapflights users on 3/19. 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.
Fri 3/209:59 am
ISP
-
MAD
3 stops20h 46m
Multiple Airlines
Tue 3/244:40 pm
MAD
-
ISP
3 stops31h 04m
Multiple Airlines
Deal found 3/19$2,451

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 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$999
(Kiwi.com)

One-way from

$393
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$538
Provider with most accurate pricing for New York (NYC)-Barcelona flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Barcelona flights.
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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 22, 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 5/4

4:07 pm-12:45 pm

1 stop14h 38m

Madrid Barajas

Mon 5/11

9:30 am-11:00 am

2 stops31h 30m

$999

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Tue 5/5

6:40 pm-10:30 pm

2 stops45h 50m

Barcelona-El Prat

Tue 5/12

11:10 pm-5:44 pm

2 stops48h 34m

$1,159

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sat 5/2

12:30 pm-12:10 pm

1 stop17h 40m

Barcelona-El Prat

Sat 5/9

7:10 am-10:15 am

2 stops33h 05m

$1,280

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Fri 5/1

9:59 am-6:50 am

1 stop14h 51m

Madrid Barajas

Fri 5/8

9:45 pm-10:15 am

2 stops42h 30m

$1,325

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Sat 5/2

12:30 pm-10:05 am

2 stops39h 35m

Madrid Barajas

Sat 5/9

4:30 pm-10:15 am

1 stop23h 45m

$1,366

IslipGranada

ISP - GRX

ISPGRX

Islip Long Island

Sat 5/2

12:30 pm-5:10 pm

2 stops22h 40m

Granada Federico Garcia Lorca

Sat 5/9

9:40 pm-7:45 pm

2 stops28h 05m

$1,693
Quickest round-trip

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sun 5/3

12:30 pm-10:20 am

2 stops15h 50m

Barcelona-El Prat

Sun 5/10

10:35 am-7:45 pm

2 stops15h 10m

$1,900

IslipGranadilla

ISP - TFS

ISPTFS

Islip Long Island

Sat 5/2

12:30 pm-10:00 am

2 stops16h 30m

Granadilla Tenerife-Sur

Sat 5/9

8:25 pm-7:45 pm

2 stops28h 20m

$2,168
Cheapest one-way
Quickest one-way

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Mon 5/4

2:31 pm-1:15 am

2 stops28h 44m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Sorted by cheapest first

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 - Barcelona-El Prat or Islip Long Island - Madrid Barajas 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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