HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Spain

$1,234+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
jul. 7 — jul. 141
lun. 7/7
lun. 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Spain with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 julio 2, 2025.

Round-trip from

$1,234
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$753
From Islip Long Island to Spain
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 julio 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
vie. 8/1511:53 amISP - MAD
2 stops16h 02mMultiple Airlines
vie. 8/2212:40 pmMAD - ISP
1 stop13h 21mMultiple Airlines
Deal found 7/1$1,234
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
vie. 8/154:33 pmISP - BCN
1 stop13h 42mMultiple Airlines
vie. 8/226:30 pmBCN - ISP
1 stop22h 28mMultiple Airlines
Deal found 7/1$1,322
This Ovago deal was found by Cheapflights users on 6/29. 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.
mar. 9/237:30 amISP - BIO
2 stops19h 00mMultiple Airlines
mar. 9/309:15 amBIO - ISP
2 stops16h 46mMultiple Airlines
Deal found 6/29$1,364
This Mytrip deal was found by Cheapflights users on 6/30. 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.
jue. 7/311:53 amISP - TFS
3 stops28h 32mMultiple Airlines
jue. 7/106:00 amTFS - ISP
2 stops19h 01mMultiple Airlines
Deal found 6/30$2,161

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 julio 2, 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

vie. 8/15

11:53 am-9:55 am

2 stops16h 02m

Madrid Barajas

vie. 8/22

12:40 pm-8:01 pm

1 stop13h 21m

$1,234

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

vie. 8/15

4:33 pm-12:15 pm

1 stop13h 42m

Barcelona-El Prat

vie. 8/22

6:30 pm-10:58 am

1 stop22h 28m

$1,322

IslipBilbao

ISP - BIO

ISPBIO

Islip Long Island

mar. 9/23

7:30 am-8:30 am

2 stops19h 00m

Bilbao

mar. 9/30

9:15 am-8:01 pm

2 stops16h 46m

$1,364

IslipMadrid

ISP - MAD

ISPMAD

Islip Long Island

mar. 9/30

2:19 pm-9:55 am

2 stops13h 36m

$1,641

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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, November is the cheapest month in which you can book a flight from Islip, New York to Spain (average of $543). Flying from Islip, New York 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, New York to Spain?

    Most travelers choose Islip Long Island - Barcelona-El Prat, Islip Long Island - Bilbao 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, November is the cheapest month in which you can book a flight from Islip, New York to Spain (average of $543). Flying from Islip, New York 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Spain

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Istanbul flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
Newark to Orly flights
Newark to Athens flights
John F Kennedy Intl to Lisbon flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Athens flights
Newark to Gatwick flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Orly flights
Newark to Lisbon flights
John F Kennedy Intl to Madrid flights
Newark to Dublin flights
LaGuardia to Charles de Gaulle flights
Newark to Malpensa flights
John F Kennedy Intl to Malpensa flights
Newark to Madrid flights
John F Kennedy Intl to Dublin flights
John F Kennedy Intl to Frederic Chopin flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
Newark to Istanbul flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Newark to London City flights
LaGuardia to Istanbul flights
John F Kennedy Intl to Luton flights
Newark to Frankfurt flights
LaGuardia to Athens flights
Newark to Frederic Chopin flights
LaGuardia to Lisbon flights
John F Kennedy Intl to Frankfurt flights
John F Kennedy Intl to Amsterdam flights
Newark to Amsterdam flights
John F Kennedy Intl to Vicenza flights
John F Kennedy Intl to Zurich flights
John F Kennedy Intl to Linate flights
LaGuardia to Barcelona-El Prat flights
Newark to Keflavik Intl flights
John F Kennedy Intl to Naples flights
LaGuardia to Madrid flights
John F Kennedy Intl to Keflavik Intl flights
Newark to Vicenza flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.