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$1,046+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
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 February 8, 2026.

This Expedia deal was found by Cheapflights users on 2/6. 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 3/249:45 am
ISP
-
MAD
2 stops43h 10m
Multiple Airlines
Tue 3/3110:40 am
MAD
-
ISP
2 stops28h 29m
Multiple Airlines
Deal found 2/6$1,046
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Tue 3/249:59 am
ISP
-
BCN
2 stops19h 06m
Multiple Airlines
Tue 3/316:30 pm
BCN
-
ISP
1 stop30h 14m
Multiple Airlines
Deal found 2/7$1,278
This Ovago deal was found by Cheapflights users on 2/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:59 am
ISP
-
MAD
1 stop19h 21m
Multiple Airlines
Sun 3/295:30 pm
MAD
-
ISP
1 stop31h 14m
Multiple Airlines
Deal found 2/5$1,377
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:34 pm
ISP
-
BCN
2 stops38h 21m
Multiple Airlines
Sun 3/296:30 pm
BCN
-
ISP
1 stop30h 14m
Multiple Airlines
Deal found 2/4$1,458
This Ovago deal was found by Cheapflights users on 2/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:59 am
ISP
-
BCN
1 stop20h 11m
Multiple Airlines
Sat 9/126:30 pm
BCN
-
ISP
1 stop27h 40m
Multiple Airlines
Deal found 2/5$1,545

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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,046
(Expedia)

Popular in

June

Cheapest in

January

Average price

$500
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. 18% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 8, 2026.
Use the filters below to find and compare flights from Islip to Spain that are best for you.

Fly from

Islip

Fly to

Spain

Route

Depart

Return

Price

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Tue 3/24

9:45 am-9:55 am

2 stops43h 10m

Madrid Barajas

Tue 3/31

10:40 am-9:09 am

2 stops28h 29m

$1,046

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Tue 3/24

9:59 am-10:05 am

2 stops19h 06m

Barcelona-El Prat

Tue 3/31

6:30 pm-6:44 pm

1 stop30h 14m

$1,278

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Sun 3/22

9:59 am-10:20 am

1 stop19h 21m

Madrid Barajas

Sun 3/29

5:30 pm-6:44 pm

1 stop31h 14m

$1,377

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sun 3/22

4:34 pm-11:55 am

2 stops38h 21m

Barcelona-El Prat

Sun 3/29

6:30 pm-6:44 pm

1 stop30h 14m

$1,458

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

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 $439). 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 $439). 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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