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$373+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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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 November 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/177:30 amISP - MAD
1 stop20h 50mMultiple Airlines
Thu 11/209:30 amMAD - ISP
2 stops31h 07mMultiple Airlines
Deal found 11/3$1,156
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/1812:20 pmISP - MAD
2 stops26h 10mMultiple Airlines
Thu 12/255:05 pmMAD - ISP
1 stop29h 10mMultiple Airlines
Deal found 11/3$1,557

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 November 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,156
(Kiwi.com)

One-way from

$373
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$504
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. 15% potential increase in price ($111 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 November 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 November 5, 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

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Thu 12/18

12:20 pm-8:30 pm

2 stops26h 10m

Madrid Barajas

Thu 12/25

5:05 pm-4:15 pm

1 stop29h 10m

$1,557

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Mon 11/17

7:30 am-11:20 am

2 stops21h 50m

Madrid Barajas

Thu 11/20

7:30 am-7:45 pm

3 stops42h 15m

$1,627

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Mon 3/16

12:40 pm-7:00 am

2 stops13h 20m

Madrid Barajas

Sat 3/21

11:15 am-11:04 am

2 stops28h 49m

$6,551

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

Fri 12/5

8:47 pm-11:25 am

2 stops32h 38m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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 $440). 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 - Madrid Barajas, 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 $440). 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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