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$899+ Cheap flights from Islip (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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Islip to Spain

Keep the following information in mind while searching for Islip to Spain flight deals. Data was last updated September 15, 2025.

Round-trip from

$899
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$506
From Islip Long Island to Spain
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:40 pmISP - BCN
1 stop18h 15mMultiple Airlines
Thu 11/67:00 amBCN - ISP
2 stops33h 37mMultiple Airlines
Deal found 9/14$899
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:59 amISP - MAD
2 stops20h 41mMultiple Airlines
Sun 10/195:55 pmMAD - ISP
2 stops31h 50mMultiple Airlines
Deal found 9/15$1,142
This Ovago deal was found by Cheapflights users on 9/14. 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.
Mon 12/229:59 amISP - BCN
2 stops16h 01mMultiple Airlines
Thu 12/256:10 pmBCN - ISP
1 stop31h 35mMultiple Airlines
Deal found 9/14$1,711
This Ovago deal was found by Cheapflights users on 9/15. 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.
Thu 10/307:30 amISP - AGP
2 stops22h 50mMultiple Airlines
Thu 11/63:20 pmAGP - ISP
2 stops25h 44mMultiple Airlines
Deal found 9/15$2,658
This Ovago deal was found by Cheapflights users on 9/14. 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.
Wed 10/299:59 amISP - SVQ
2 stops21h 46mMultiple Airlines
Wed 11/51:25 pmSVQ - ISP
2 stops27h 39mMultiple Airlines
Deal found 9/14$4,081

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 September 15, 2025.
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

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 10/30

12:40 pm-11:55 am

1 stop18h 15m

Barcelona-El Prat

Thu 11/6

7:00 am-10:37 am

2 stops33h 37m

$899

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Wed 10/15

9:59 am-12:40 pm

2 stops20h 41m

Madrid Barajas

Sun 10/19

5:55 pm-7:45 pm

2 stops31h 50m

$1,142

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Mon 12/22

9:59 am-8:00 am

2 stops16h 01m

Barcelona-El Prat

Thu 12/25

6:10 pm-7:45 pm

1 stop31h 35m

$1,711

IslipMálaga

ISP - AGP

ISPAGP

Islip Long Island

Thu 10/30

7:30 am-11:20 am

2 stops22h 50m

Malaga

Thu 11/6

3:20 pm-11:04 am

2 stops25h 44m

$2,658

IslipSeville

ISP - SVQ

ISPSVQ

Islip Long Island

Wed 10/29

9:59 am-12:45 pm

2 stops21h 46m

Sevilla

Wed 11/5

1:25 pm-11:04 am

2 stops27h 39m

$4,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 to Spain?

Currently, November is the cheapest month in which you can book a flight from Islip to Spain (average of $543). Flying from Islip to Spain in June is currently the most expensive (average of $1,054). 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 to Spain?

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

    Currently, November is the cheapest month in which you can book a flight from Islip to Spain (average of $543). Flying from Islip to Spain in June is currently the most expensive (average of $1,054). 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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