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$505+ Cheap flights from Islip, NY (ISP) to Europe

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 1/17. 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 Europe

Cheapest flights from Islip to Europe
Explore the most affordable flight options available from Islip to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

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.
Thu 12/410:19 amISP - LGW
2 stops38h 41mMultiple Airlines
Thu 12/112:00 pmLGW - ISP
1 stop34h 34mMultiple Airlines
Deal found 12/3$1,212
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.
Thu 12/410:19 amISP - LGW
1 stop18h 41mMultiple Airlines
Wed 12/1011:40 amLGW - ISP
2 stops26h 33mMultiple Airlines
Deal found 12/3$1,812
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.
Thu 12/412:40 pmISP - LHR
1 stop13h 15mMultiple Airlines
Wed 12/106:00 amLHR - ISP
2 stops18h 45mMultiple Airlines
Deal found 12/3$2,069
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.
Thu 12/412:40 pmISP - LHR
2 stops25h 15mMultiple Airlines
Thu 12/119:20 amLHR - ISP
1 stop11h 50mMultiple Airlines
Deal found 12/3$2,497

Find flight deals from Islip to Europe

Keep the following information in mind while searching for Islip to Europe flight deals. Data was last updated December 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$505
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,129
Provider with most accurate pricing for New York (NYC)-Istanbul flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Istanbul flights.
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From Islip Long Island to Europe
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Europe 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 Europe that are best for you.

Fly from

Islip

Fly to

Europe

Route

Depart

Return

Price

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 1/17

8:00 am-10:05 am

1 stop21h 05m

London Gatwick

Sat 1/24

2:00 pm-8:40 am

1 stop23h 40m

$505

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 1/16

8:54 pm-10:05 am

1 stop32h 11m

London Gatwick

Fri 1/23

2:00 pm-11:05 am

2 stops26h 05m

$776

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

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sat 1/17

10:00 am-3:35 pm

2 stops24h 35m

London Heathrow

Sat 1/24

6:30 am-8:52 am

2 stops31h 22m

$1,207

IslipParis

ISP - CDG

ISPCDG

Islip Long Island

Thu 1/15

10:00 am-8:40 pm

2 stops28h 40m

Paris Charles de Gaulle

Thu 1/22

10:10 am-8:52 am

2 stops28h 42m

$1,211

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

IslipParis

ISP - CDG

ISPCDG

Islip Long Island

Sun 1/18

12:30 pm-8:20 am

2 stops13h 50m

Paris Charles de Gaulle

Sun 1/25

10:50 am-7:45 pm

2 stops14h 55m

$1,346

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 1/16

12:30 pm-5:30 pm

2 stops24h 00m

London Heathrow

Fri 1/23

9:20 am-4:10 pm

1 stop11h 50m

$1,472

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

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Fri 1/16

7:25 am-6:00 pm

2 stops28h 35m

Rome Fiumicino

Fri 1/23

10:00 pm-7:45 pm

2 stops27h 45m

$30,932

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 11 results
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Best time to book a flight from Islip to Europe

Have a flexible travel schedule? Discover the best time to fly to Europe 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 Europe

What is the cheapest month to book a flight from Islip, New York to Europe?

Currently, August is the cheapest month in which you can book a flight from Islip, New York to Europe (average of $244). Flying from Islip, New York to Europe 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 Europe. 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 Europe?

    If you book a flight to Europe from Islip, you will be flying from Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

  • What are the most popular routes from Islip, New York to Europe?

    Most travelers choose Islip Long Island - Ekaterinburg, Islip Long Island - Reykjavik Keflavik Intl or Islip Long Island - Barcelona-El Prat when deciding on the best route from Islip, New York to Europe.

  • Can I find deals for flights from Islip to Europe that include hotel bookings?

    Yes. In addition to deals on Islip to Europe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Europe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Europe.

  • Can I find deals for business class flights from Islip to Europe?

    Yes. Cheapflights offers flight deals from Islip to Europe 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 Europe?

    Currently, August is the cheapest month in which you can book a flight from Islip, New York to Europe (average of $244). Flying from Islip, New York to Europe 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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