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$321+ Cheap flights from Islip, NY (ISP) to Europe

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CPH
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheap flight deals from Islip to Europe

Keep the following information in mind while searching for Islip to Europe flight deals. Data was last updated November 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$689
(Kiwi.com)

One-way from

$321
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$786
Provider with most accurate pricing for New York (NYC)-Istanbul flight deals.
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From Islip Long Island to Europe
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One-way flight from Islip Long Island to Europe
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Highest demand for flights based on searches. 12% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
Sat 12/1310:19 amISP - KEF
2 stops30h 26mMultiple Airlines
Sat 12/209:55 amKEF - ISP
1 stop11h 15mMultiple Airlines
Deal found 11/15$689
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 11/249:02 amISP - LGW
1 stop19h 58mMultiple Airlines
Fri 11/282:00 pmLGW - ISP
1 stop23h 02mMultiple Airlines
Deal found 11/16$838
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/1411:15 amISP - LGW
1 stop17h 45mMultiple Airlines
Sun 12/212:10 pmLGW - ISP
1 stop27h 59mMultiple Airlines
Deal found 11/17$1,023
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/810:19 amISP - KEF
2 stops38h 46mMultiple Airlines
Mon 12/155:15 pmKEF - ISP
1 stop31h 19mMultiple Airlines
Deal found 11/17$1,127
This Mytrip deal was found by Cheapflights users on 11/16. 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.
Mon 11/249:59 amISP - LHR
2 stops24h 51mMultiple Airlines
Fri 11/287:30 amLHR - ISP
2 stops17h 15mMultiple Airlines
Deal found 11/16$1,270
This Kiwi.com deal was found by Cheapflights users on 11/16. 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.
Wed 12/315:27 pmISP - LGW
1 stop35h 33mMultiple Airlines
Wed 1/71:00 pmLGW - ISP
2 stops35h 51mMultiple Airlines
Deal found 11/16$1,369
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
Tue 12/309:59 amISP - DUB
2 stops26h 46mMultiple Airlines
Tue 1/61:45 pmDUB - ISP
1 stop29h 54mMultiple Airlines
Deal found 11/15$1,405
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
Sat 12/1310:19 amISP - DUB
1 stop17h 41mMultiple Airlines
Sat 12/201:40 pmDUB - ISP
2 stops28h 59mMultiple Airlines
Deal found 11/15$1,456
This Expedia deal was found by Cheapflights users on 11/16. 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.
Tue 12/1611:50 amISP - LHR
2 stops16h 40mJetBlue
Tue 12/239:20 amLHR - ISP
2 stops38h 25mJetBlue
Deal found 11/16$1,651
This Ovago deal was found by Cheapflights users on 11/15. 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.
Tue 12/3012:30 pmISP - BER
2 stops15h 05mMultiple Airlines
Tue 1/610:45 amBER - ISP
2 stops15h 00mMultiple Airlines
Deal found 11/15$1,708
This Mytrip deal was found by Cheapflights users on 11/16. 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.
Wed 12/3112:30 pmISP - LHR
2 stops17h 50mMultiple Airlines
Wed 1/76:00 amLHR - ISP
2 stops18h 45mMultiple Airlines
Deal found 11/16$1,906
This Kiwi.com deal was found by Cheapflights users on 11/14. 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.
Tue 12/3012:30 pmISP - LHR
2 stops28h 05mMultiple Airlines
Tue 1/69:20 amLHR - ISP
1 stop11h 50mMultiple Airlines
Deal found 11/14$2,731

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 November 17, 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

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Sat 12/13

10:19 am-9:45 pm

2 stops30h 26m

Reykjavik Keflavik Intl

Sat 12/20

9:55 am-4:10 pm

1 stop11h 15m

$689

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 1/11

8:46 pm-10:00 am

1 stop32h 14m

London Gatwick

Sun 1/18

11:40 am-11:59 am

2 stops53h 19m

$832

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 12/14

11:15 am-10:00 am

1 stop17h 45m

London Gatwick

Sun 12/21

2:10 pm-1:09 pm

1 stop27h 59m

$1,023

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Mon 12/8

10:19 am-6:05 am

2 stops38h 46m

Reykjavik Keflavik Intl

Mon 12/15

5:15 pm-7:34 pm

1 stop31h 19m

$1,127

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 1/1

12:30 pm-4:15 am

1 stop10h 45m

Dublin

Thu 1/8

11:40 am-7:45 pm

1 stop13h 05m

$1,175

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 12/31

5:27 pm-10:00 am

1 stop35h 33m

London Gatwick

Wed 1/7

1:00 pm-7:51 pm

2 stops35h 51m

$1,369

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Tue 12/30

9:59 am-5:45 pm

2 stops26h 46m

Dublin

Tue 1/6

1:45 pm-2:39 pm

1 stop29h 54m

$1,405

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 12/13

10:19 am-9:00 am

1 stop17h 41m

Dublin

Sat 12/20

1:40 pm-1:39 pm

2 stops28h 59m

$1,456

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Tue 12/16

11:50 am-9:30 am

2 stops16h 40m

London Heathrow

Tue 12/23

9:20 am-6:45 pm

2 stops38h 25m

$1,651

IslipBerlin

ISP - BER

ISPBER

Islip Long Island

Tue 12/30

12:30 pm-9:35 am

2 stops15h 05m

Berlin Brandenburg

Tue 1/6

10:45 am-7:45 pm

2 stops15h 00m

$1,708

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 18 results
1
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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.

  • How long is the flight from Islip, New York to Europe?

    A quick flight from Islip, New York to Europe can take about 16h 40m. JetBlue provides one of the quickest options available for as low as $1,651. The distance between Islip, New York and Europe is about 3406 mi.

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

    Most travelers choose Islip Long Island - Reykjavik Keflavik Intl, Islip Long Island - Ekaterinburg or Islip Long Island - London Heathrow 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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Alternative routes for Islip to Europe

See prices for flight routes from nearby airports that may be better suited for you.
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