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$947+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CPH
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
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 February 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/231:22 pm
ISP
-
LGW
1 stop16h 38m
Multiple Airlines
Mon 3/309:05 pm
LGW
-
ISP
2 stops50h 39m
Multiple Airlines
Deal found 2/6$947
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/79:59 am
ISP
-
DUB
1 stop13h 36m
Multiple Airlines
Tue 4/2111:30 am
DUB
-
ISP
2 stops50h 43m
Multiple Airlines
Deal found 2/7$1,003
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/138:33 am
ISP
-
LGW
1 stop20h 27m
Multiple Airlines
Fri 2/202:00 pm
LGW
-
ISP
2 stops26h 10m
Multiple Airlines
Deal found 2/6$1,019
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 5/112:30 pm
ISP
-
DUB
1 stop11h 05m
Multiple Airlines
Thu 5/72:15 pm
DUB
-
ISP
2 stops23h 58m
Multiple Airlines
Deal found 2/5$1,079
This Expedia deal was found by Cheapflights users on 2/6. 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.
Mon 3/239:45 am
ISP
-
LHR
2 stops25h 50m
Multiple Airlines
Mon 3/308:10 pm
LHR
-
ISP
2 stops41h 59m
Multiple Airlines
Deal found 2/6$1,130
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 2/92:31 pm
ISP
-
KEF
1 stop11h 09m
Multiple Airlines
Wed 2/114:45 pm
KEF
-
ISP
2 stops26h 54m
Multiple Airlines
Deal found 2/5$1,186
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/249:59 am
ISP
-
BCN
2 stops19h 06m
Multiple Airlines
Tue 3/316:30 pm
BCN
-
ISP
1 stop30h 14m
Multiple Airlines
Deal found 2/7$1,278
This Ovago deal was found by Cheapflights users on 2/7. 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 3/249:59 am
ISP
-
LHR
1 stop17h 01m
Multiple Airlines
Tue 3/3111:00 am
LHR
-
ISP
1 stop12h 44m
Multiple Airlines
Deal found 2/7$1,300
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/157:26 pm
ISP
-
LGW
2 stops34h 34m
Multiple Airlines
Sat 3/212:00 pm
LGW
-
ISP
1 stop29h 49m
Multiple Airlines
Deal found 2/7$1,375
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/229:59 am
ISP
-
FCO
1 stop16h 16m
Multiple Airlines
Sun 3/2910:35 am
FCO
-
ISP
1 stop14h 09m
Multiple Airlines
Deal found 2/8$1,386
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/259:59 am
ISP
-
IST
1 stop20h 26m
Multiple Airlines
Wed 4/18:15 pm
IST
-
ISP
2 stops34h 40m
Multiple Airlines
Deal found 2/8$1,409
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/259:59 am
ISP
-
BCN
2 stops19h 06m
Multiple Airlines
Wed 4/16:30 pm
BCN
-
ISP
1 stop30h 14m
Multiple Airlines
Deal found 2/8$1,434

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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$947
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$851
Provider with most accurate pricing for New York (NYC)-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Istanbul flights.
Search Deals
From Islip Long Island to Europe
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 8, 2026.
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

Mon 3/23

1:22 pm-10:00 am

1 stop16h 38m

London Gatwick

Mon 3/30

9:05 pm-6:44 pm

2 stops50h 39m

$947

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Tue 4/7

9:59 am-4:35 am

1 stop13h 36m

Dublin

Tue 4/21

11:30 am-9:13 am

2 stops50h 43m

$1,003

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Fri 5/1

12:30 pm-4:35 am

1 stop11h 05m

Dublin

Thu 5/7

2:15 pm-9:13 am

2 stops23h 58m

$1,079

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Tue 3/24

9:45 am-4:50 pm

2 stops27h 05m

London Heathrow

Tue 3/31

8:50 am-9:09 am

2 stops29h 19m

$1,130

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Mon 3/23

9:45 am-3:35 pm

2 stops25h 50m

London Heathrow

Mon 3/30

8:10 pm-9:09 am

2 stops41h 59m

$1,130

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Tue 3/24

9:59 am-10:05 am

2 stops19h 06m

Barcelona-El Prat

Tue 3/31

6:30 pm-6:44 pm

1 stop30h 14m

$1,278

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 3/15

7:26 pm-10:00 am

2 stops34h 34m

London Gatwick

Sat 3/21

2:00 pm-3:49 pm

1 stop29h 49m

$1,375

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Sun 3/22

9:59 am-7:15 am

1 stop16h 16m

Rome Fiumicino

Sun 3/29

10:35 am-6:44 pm

1 stop14h 09m

$1,386

IslipIstanbul

ISP - IST

ISPIST

Islip Long Island

Wed 3/25

9:59 am-1:25 pm

1 stop20h 26m

Istanbul

Wed 4/1

8:15 pm-11:55 pm

2 stops34h 40m

$1,409

IslipBarcelona

ISP - BCN

ISPBCN

Islip Long Island

Wed 3/25

9:59 am-10:05 am

2 stops19h 06m

Barcelona-El Prat

Wed 4/1

6:30 pm-6:44 pm

1 stop30h 14m

$1,434

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

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 - Rome Fiumicino 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 $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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