HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Europe

$619+ Cheap flights from Islip (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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CPH
nov. 13 — nov. 201
jue. 11/13
jue. 11/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Europe 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 Europe

Keep the following information in mind while searching for Islip to Europe flight deals. Data was last updated octubre 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$619
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$550
Provider with most accurate pricing for New York (NYC)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-London (LON) flights.
Search Deals
From Islip Long Island to Europe
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 octubre 14, 2025.

This Trip.com deal was found by Cheapflights users on 10/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2710:02 amISP - FCO
2 stops21h 58mMultiple Airlines
jue. 12/411:25 amFCO - ISP
2 stops38h 49mMultiple Airlines
Deal found 10/13$619
This Trip.com deal was found by Cheapflights users on 10/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2710:02 amISP - LHR
2 stops24h 48mMultiple Airlines
jue. 12/48:45 amLHR - ISP
2 stops29h 26mMultiple Airlines
Deal found 10/13$849
This Kiwi.com deal was found by Cheapflights users on 10/12. 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. 11/142:25 pmISP - KEF
1 stop11h 15mMultiple Airlines
dom. 11/164:45 pmKEF - ISP
1 stop26h 00mMultiple Airlines
Deal found 10/12$1,096
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/289:59 amISP - FCO
1 stop15h 16mMultiple Airlines
vie. 12/510:15 amFCO - ISP
1 stop15h 30mMultiple Airlines
Deal found 10/14$1,183
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
dom. 12/2110:16 amISP - KEF
1 stop14h 59mMultiple Airlines
sáb. 12/275:15 pmKEF - ISP
1 stop20h 56mMultiple Airlines
Deal found 10/12$1,224
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
mar. 12/2312:40 pmISP - KEF
1 stop12h 25mMultiple Airlines
dom. 12/289:55 amKEF - ISP
1 stop11h 20mMultiple Airlines
Deal found 10/12$1,232
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
lun. 12/229:09 pmISP - KEF
2 stops28h 06mMultiple Airlines
dom. 12/285:15 pmKEF - ISP
1 stop20h 56mMultiple Airlines
Deal found 10/12$1,239
This Expedia deal was found by Cheapflights users on 10/13. 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.
sáb. 10/1811:35 amISP - LHR
2 stops37h 55mJetBlue
sáb. 10/258:15 amLHR - ISP
2 stops33h 47mJetBlue
Deal found 10/13$1,251
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
dom. 12/219:09 pmISP - KEF
2 stops28h 06mMultiple Airlines
dom. 12/285:15 pmKEF - ISP
1 stop20h 56mMultiple Airlines
Deal found 10/12$1,257
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
dom. 12/217:30 amISP - KEF
1 stop9h 15mMultiple Airlines
vie. 12/269:55 amKEF - ISP
1 stop11h 20mMultiple Airlines
Deal found 10/12$1,278
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
lun. 12/229:09 pmISP - KEF
2 stops28h 06mMultiple Airlines
sáb. 12/275:15 pmKEF - ISP
1 stop20h 56mMultiple Airlines
Deal found 10/12$1,285
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
jue. 12/2512:40 pmISP - KEF
1 stop12h 25mMultiple Airlines
dom. 12/289:55 amKEF - ISP
1 stop11h 20mMultiple Airlines
Deal found 10/12$1,303

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 octubre 14, 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

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

jue. 11/27

10:02 am-2:00 pm

2 stops21h 58m

Rome Fiumicino

jue. 12/4

11:25 am-8:14 pm

2 stops38h 49m

$619

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

jue. 11/27

10:02 am-3:50 pm

2 stops24h 48m

London Heathrow

jue. 12/4

8:45 am-9:11 am

2 stops29h 26m

$849

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

vie. 11/14

2:25 pm-6:40 am

1 stop11h 15m

Reykjavik Keflavik Intl

dom. 11/16

4:45 pm-1:45 pm

1 stop26h 00m

$1,096

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

vie. 11/28

9:59 am-7:15 am

1 stop15h 16m

Rome Fiumicino

vie. 12/5

10:15 am-7:45 pm

1 stop15h 30m

$1,183

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

dom. 12/21

10:16 am-6:15 am

1 stop14h 59m

Reykjavik Keflavik Intl

dom. 12/28

5:15 pm-9:11 am

1 stop20h 56m

$1,224

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

mar. 12/23

12:40 pm-6:05 am

1 stop12h 25m

Reykjavik Keflavik Intl

dom. 12/28

9:55 am-4:15 pm

1 stop11h 20m

$1,232

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

lun. 12/22

9:09 pm-6:15 am

2 stops28h 06m

Reykjavik Keflavik Intl

dom. 12/28

5:15 pm-9:11 am

1 stop20h 56m

$1,239

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

dom. 12/21

7:30 am-9:45 pm

1 stop9h 15m

Reykjavik Keflavik Intl

vie. 12/26

9:55 am-4:15 pm

1 stop11h 20m

$1,278

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

mar. 12/23

7:30 am-9:45 pm

1 stop9h 15m

Reykjavik Keflavik Intl

vie. 12/26

9:55 am-4:15 pm

1 stop11h 20m

$1,278

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

mar. 12/23

12:40 pm-6:05 am

1 stop12h 25m

Reykjavik Keflavik Intl

mar. 12/30

5:00 pm-7:21 pm

2 stops31h 21m

$1,309

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 21 results
1
2
3

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 to Europe?

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

    Most travelers choose Islip Long Island - Reykjavik Keflavik Intl, Islip Long Island - Ekaterinburg or Islip Long Island - Paris Charles de Gaulle when deciding on the best route from Islip 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 to Europe?

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

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 Europe

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Cancún flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
LaGuardia to Dallas/Fort Worth flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Mexico City flights
Newark to Cancún flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Miami flights
Newark to Orlando flights
LaGuardia to Miami flights
John F Kennedy Intl to Heathrow flights
Newark to Los Angeles flights
John F Kennedy Intl to San Francisco flights
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Heathrow flights
John F Kennedy Intl to Atlanta flights
Newark to Las Vegas flights
John F Kennedy Intl to Charles de Gaulle flights
John F Kennedy Intl to Tampa flights
John F Kennedy Intl to Hobby flights
Newark to San Francisco flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Haneda flights
John F Kennedy Intl to West Palm Beach flights
John F Kennedy Intl to Santo Domingo flights
John F Kennedy Intl to New Orleans flights
Newark to Charles de Gaulle flights
Newark to Mexico City flights
Newark to Hobby flights
LaGuardia to Cancún flights
John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to Atlanta flights
John F Kennedy Intl to Santiago de los Caballeros flights
LaGuardia to Tampa flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to Denver flights
Newark to Luis Munoz Marin Intl flights
LaGuardia to O'Hare Intl flights
Newark to Tampa flights
LaGuardia to Hobby flights
Newark to Haneda flights
John F Kennedy Intl to Austin flights
LaGuardia to New Orleans 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.