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$953+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$942
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$788
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
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Highest demand for flights based on searches. 12% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 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 26, 2025.

This Mytrip deal was found by Cheapflights users on 11/24. 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.
Sun 11/3012:40 pmISP - FCO
2 stops16h 45mMultiple Airlines
Sun 12/75:55 amFCO - ISP
3 stops43h 50mMultiple Airlines
Deal found 11/24$1,474

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 26, 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

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Sat 1/10

7:56 pm-8:20 am

2 stops31h 24m

Dublin

Sat 1/17

1:45 pm-10:46 pm

1 stop14h 01m

$953

IslipDublin

ISP - DUB

ISPDUB

Islip Long Island

Thu 1/8

12:30 pm-4:15 am

1 stop10h 45m

Dublin

Thu 1/15

11:40 am-7:45 pm

1 stop13h 05m

$972

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Thu 1/8

8:40 pm-6:05 am

2 stops28h 25m

Reykjavik Keflavik Intl

Thu 1/15

5:15 pm-8:09 pm

1 stop31h 54m

$1,037

IslipRome

ISP - FCO

ISPFCO

Islip Long Island

Wed 1/7

12:30 pm-7:15 am

1 stop12h 45m

Rome Fiumicino

Wed 1/14

7:00 pm-11:05 am

2 stops46h 05m

$1,207

IslipGlasgow

ISP - GLA

ISPGLA

Islip Long Island

Thu 1/8

7:25 am-7:50 am

2 stops19h 25m

Glasgow Intl

Thu 1/15

9:55 am-7:45 pm

2 stops14h 50m

$1,476

IslipZurich

ISP - ZRH

ISPZRH

Islip Long Island

Fri 1/9

12:30 pm-11:10 am

1 stop16h 40m

Zurich

Fri 1/16

8:55 am-7:45 pm

2 stops16h 50m

$1,547

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 1/8

12:30 pm-12:40 pm

2 stops19h 10m

London Heathrow

Thu 1/15

9:20 am-4:10 pm

1 stop11h 50m

$1,723

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sat 1/10

12:30 pm-7:45 am

2 stops14h 15m

London Heathrow

Sat 1/17

9:20 am-4:10 pm

1 stop11h 50m

$2,641

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

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.

  • 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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