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$310+ Cheap flights from Islip (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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CPH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$758
(Kiwi.com)

One-way from

$310
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$818
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. 10% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 11/1311:40 amISP - LGW
2 stops17h 20mMultiple Airlines
Fri 11/142:00 pmLGW - ISP
1 stop25h 37mMultiple Airlines
Deal found 9/14$758
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/224:58 pmISP - LGW
1 stop36h 02mMultiple Airlines
Wed 10/291:00 pmLGW - ISP
2 stops32h 42mMultiple Airlines
Deal found 9/14$792
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 10/169:37 pmISP - LGW
1 stop31h 23mMultiple Airlines
Wed 10/222:00 pmLGW - ISP
1 stop35h 42mMultiple Airlines
Deal found 9/14$794
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 10/3012:40 pmISP - BCN
1 stop18h 15mMultiple Airlines
Thu 11/67:00 amBCN - ISP
2 stops33h 37mMultiple Airlines
Deal found 9/14$899
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:58 pmISP - CDG
2 stops38h 12mMultiple Airlines
Wed 11/51:10 pmCDG - ISP
2 stops34h 32mMultiple Airlines
Deal found 9/14$917
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:35 amISP - LHR
2 stops28h 10mJetBlue
Wed 10/297:25 amLHR - ISP
2 stops33h 37mJetBlue
Deal found 9/14$950
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Thu 10/167:30 amISP - LHR
2 stops20h 35mMultiple Airlines
Wed 10/229:50 amLHR - ISP
2 stops14h 55mMultiple Airlines
Deal found 9/14$1,065
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/299:59 amISP - FCO
1 stop16h 16mMultiple Airlines
Wed 11/57:10 pmFCO - ISP
2 stops28h 32mMultiple Airlines
Deal found 9/14$1,135
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 11/242:25 pmISP - KEF
1 stop11h 15mMultiple Airlines
Thu 11/277:40 amKEF - ISP
2 stops31h 57mMultiple Airlines
Deal found 9/14$1,422
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Thu 9/2511:53 amISP - CDG
2 stops22h 37mMultiple Airlines
Wed 10/15:25 pmCDG - ISP
2 stops32h 36mMultiple Airlines
Deal found 9/14$1,423
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Fri 11/217:08 pmISP - LGW
2 stops33h 37mMultiple Airlines
Fri 11/282:00 pmLGW - ISP
1 stop23h 02mMultiple Airlines
Deal found 9/12$1,429
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 9/3011:53 amISP - FCO
1 stop13h 12mMultiple Airlines
Sun 10/56:20 amFCO - ISP
2 stops34h 20mMultiple Airlines
Deal found 9/12$1,456

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 September 15, 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 11/13

11:40 am-10:00 am

2 stops17h 20m

London Gatwick

Fri 11/14

2:00 pm-10:37 am

1 stop25h 37m

$758

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 10/22

4:58 pm-10:00 am

1 stop36h 02m

London Gatwick

Wed 10/29

1:00 pm-5:42 pm

2 stops32h 42m

$792

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Thu 10/16

9:37 pm-10:00 am

1 stop31h 23m

London Gatwick

Wed 10/22

2:00 pm-8:42 pm

1 stop35h 42m

$794

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Thu 10/30

12:40 pm-11:55 am

1 stop18h 15m

Barcelona-El Prat

Thu 11/6

7:00 am-10:37 am

2 stops33h 37m

$899

IslipParis

ISP - CDG

ISPCDG

Islip Long Island

Wed 10/29

4:58 pm-12:10 pm

2 stops38h 12m

Paris Charles de Gaulle

Wed 11/5

1:10 pm-5:42 pm

2 stops34h 32m

$917

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 10/22

11:35 am-8:45 pm

2 stops28h 10m

London Heathrow

Wed 10/29

7:25 am-1:02 pm

2 stops33h 37m

$950

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 10/16

7:30 am-9:05 am

2 stops20h 35m

London Heathrow

Wed 10/22

9:50 am-7:45 pm

2 stops14h 55m

$1,065

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Wed 10/29

9:59 am-7:15 am

1 stop16h 16m

Rome Fiumicino

Wed 11/5

7:10 pm-5:42 pm

2 stops28h 32m

$1,135

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Mon 11/24

2:25 pm-6:40 am

1 stop11h 15m

Reykjavik Keflavik Intl

Thu 11/27

7:40 am-10:37 am

2 stops31h 57m

$1,422

IslipParis

ISP - CDG

ISPCDG

Islip Long Island

Thu 9/25

11:53 am-4:30 pm

2 stops22h 37m

Paris Charles de Gaulle

Wed 10/1

5:25 pm-8:01 pm

2 stops32h 36m

$1,423

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 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 to Europe?

Currently, November is the cheapest month in which you can book a flight from Islip to Europe (average of $523). Flying from Islip to Europe in June is currently the most expensive (average of $911). 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 to Europe?

    For as low as $950, JetBlue can have you in Europe from Islip in 28h 10m. The distance between Islip and Europe is about 3406 mi.

  • 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 - Rome Fiumicino 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, November is the cheapest month in which you can book a flight from Islip to Europe (average of $523). Flying from Islip to Europe in June is currently the most expensive (average of $911). 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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