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$795+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Islip to Spain

Best flights from Islip to Spain
Discover carefully curated flight deals from Islip to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/4. 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 1/189:52 amISP - BCN
2 stops44h 03mMultiple Airlines
Sun 1/256:10 pmBCN - ISP
1 stop22h 55mMultiple Airlines
Deal found 12/4$795
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Sun 1/187:58 pmISP - MAD
2 stops37h 07mMultiple Airlines
Sun 1/2512:30 pmMAD - ISP
1 stop13h 15mMultiple Airlines
Deal found 12/3$970
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/79:59 amISP - BCN
2 stops19h 46mMultiple Airlines
Fri 2/136:45 amBCN - ISP
2 stops19h 00mMultiple Airlines
Deal found 12/3$1,229
This Expedia deal was found by Cheapflights users on 12/2. 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.
Sat 4/410:45 amISP - BCN
2 stops29h 40mMultiple Airlines
Fri 4/1011:05 pmBCN - ISP
2 stops40h 55mMultiple Airlines
Deal found 12/2$1,683

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 December 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$970
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$719
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
Highest demand for flights based on searches. 16% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 4, 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

Sun 1/18

9:52 am-11:55 am

2 stops44h 03m

Barcelona-El Prat

Sun 1/25

6:10 pm-11:05 am

1 stop22h 55m

$795

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Sun 1/18

7:58 pm-3:05 pm

2 stops37h 07m

Madrid Barajas

Sun 1/25

12:30 pm-7:45 pm

1 stop13h 15m

$970

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sat 2/7

9:59 am-11:45 am

2 stops19h 46m

Barcelona-El Prat

Fri 2/13

6:45 am-7:45 pm

2 stops19h 00m

$1,229

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Sat 4/4

10:45 am-10:25 pm

2 stops29h 40m

Barcelona-El Prat

Fri 4/10

11:05 pm-10:00 am

2 stops40h 55m

$1,683

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Thu 12/25

10:46 am-10:20 am

2 stops17h 34m

$3,547

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Mon 12/29

7:00 am-6:20 am

2 stops17h 20m

$3,547

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Fri 12/26

7:00 am-10:10 am

2 stops21h 10m

$3,547

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Sat 12/27

7:00 am-10:10 am

2 stops21h 10m

$3,547

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Wed 12/24

7:00 am-10:00 am

2 stops21h 00m

$14,104

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Sun 12/28

10:46 am-10:20 am

2 stops17h 34m

$14,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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 - Malaga or Islip Long Island - Alicante 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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