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$500+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
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 10, 2025.

This Mytrip deal was found by Cheapflights users on 12/9. 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.
Tue 12/167:25 amISP - LHR
2 stops20h 50mMultiple Airlines
Wed 12/247:50 amLHR - ISP
2 stops16h 55mMultiple Airlines
Deal found 12/9$1,781
This Mytrip deal was found by Cheapflights users on 12/9. 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.
Tue 12/169:59 amISP - LGW
2 stops19h 56mMultiple Airlines
Wed 12/247:50 pmLGW - ISP
3 stops28h 55mMultiple Airlines
Deal found 12/9$2,234
This Mytrip deal was found by Cheapflights users on 12/10. 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.
Tue 12/309:59 amISP - CDG
2 stops30h 16mMultiple Airlines
Fri 1/28:10 pmCDG - ISP
2 stops29h 35mMultiple Airlines
Deal found 12/10$3,229

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 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$500
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,067
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. 14% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
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 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 10, 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

Thu 1/22

7:43 pm-10:00 am

1 stop33h 17m

London Gatwick

Thu 1/29

2:00 pm-8:47 pm

1 stop35h 47m

$500

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sun 1/11

7:25 am-9:15 am

2 stops20h 50m

London Heathrow

Thu 1/15

8:50 am-7:45 pm

2 stops15h 55m

$1,103

IslipBrussels

ISP - BRU

ISPBRU

Islip Long Island

Thu 1/22

10:00 am-6:15 pm

2 stops26h 15m

Brussels Bruxelles-National

Thu 1/29

10:15 am-8:52 am

2 stops28h 37m

$1,123

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 1/22

10:00 am-2:25 pm

2 stops23h 25m

London Heathrow

Thu 1/29

7:50 am-8:52 am

2 stops30h 02m

$1,229

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 2/15

5:03 pm-10:00 am

1 stop35h 57m

London Gatwick

Sat 2/21

4:35 pm-7:45 pm

2 stops32h 10m

$1,336

IslipBrussels

ISP - BRU

ISPBRU

Islip Long Island

Sat 1/24

10:00 am-9:35 am

2 stops41h 35m

Brussels Bruxelles-National

Sat 1/31

10:15 am-8:52 am

2 stops28h 37m

$1,678

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sat 1/10

10:00 am-2:25 pm

2 stops23h 25m

London Heathrow

Sun 1/11

6:45 pm-8:52 am

2 stops43h 07m

$2,053

IslipParis

ISP - CDG

ISPCDG

Islip Long Island

Wed 1/21

11:05 am-11:35 am

2 stops18h 30m

Paris Charles de Gaulle

Wed 1/28

1:15 pm-7:45 pm

2 stops36h 30m

$4,599

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 1/23

12:30 pm-6:55 am

1 stop13h 25m

London Heathrow

Wed 1/28

12:15 pm-11:05 am

2 stops27h 50m

$4,873

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 1/23

12:30 pm-6:55 am

1 stop13h 25m

London Heathrow

Mon 1/26

8:35 pm-11:05 am

2 stops43h 30m

$4,874

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 15 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 $438). 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 - London Gatwick 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 $438). 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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