In terms of precipitation, rainfall in Islip ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular routes from Europe to Islip?

The most popular flight routes from Europe to Islip are Vigo - Islip Long Island, London Heathrow - Islip Long Island and Rome Fiumicino - Islip Long Island.

How far in advance should I book a flight from Europe to Islip?

Users have found that booking a flight from Europe to Islip at least 53 days early can save you up to 37% on average compared to booking a flight this week. If booking 53 days before your flight isn’t an option for you, users have found flights from Europe to Islip for as little as $621 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $768 for flights departing within the next 3 days.

What is the cheapest month to fly from Europe to Islip?

February is one of the best times of the year to fly to Islip from Europe. Prices for February average $617 per person but you can even find prices for as low as $422. The most expensive prices can be found in the month of August. Opting for a February flight can save you 29% on your journey compared to booking in August

What is the cheapest time of day to fly from EU to ISP?

When flying from Europe to Islip, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Islip from Europe?

If you book a flight to Islip from Europe, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

Can I find deals for flights from Europe to Islip that include hotel bookings?

Yes. In addition to deals on Europe to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Europe to Islip?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Europe to Islip.

Can I find deals for business class flights from Europe to Islip?

Yes. Cheapflights offers flight deals from Europe to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$600+ Cheap Flights from Europe to Islip

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Cheap flight deals from Europe to Islip

Round-trip from	$1,258 (Kiwi.com)
One-way from	$600 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$620

From Europe to Islip Long Island

Search Deals

One-way flight from Europe to Islip Long Island

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Highest demand for flights based on searches. 10% potential increase in price ($74 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($18 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 Europe to Islip

Cheapest flights from Europe to Islip
Explore the most affordable flight options available from Europe to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Sun 10/261:00 pmLHR - ISP

2 stops25h 58mMultiple Airlines

Sun 11/24:33 pmISP - LHR

1 stop13h 52mMultiple Airlines

Deal found 9/11

$1,258

Thu 10/28:25 amLHR - ISP

1 stop11h 56mMultiple Airlines

Fri 10/1011:53 amISP - LHR

1 stop13h 37mMultiple Airlines

Deal found 9/10

$2,197

Best flights from Europe to Islip
Discover carefully curated flight deals from Europe to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Sun 10/261:00 pmLHR - ISP

2 stops25h 58mMultiple Airlines

Sun 11/24:33 pmISP - LHR

1 stop13h 52mMultiple Airlines

Deal found 9/11

$1,258

Thu 10/212:00 pmLHR - ISP

2 stops27h 58mMultiple Airlines

Fri 10/107:30 amISP - LHR

2 stops19h 30mMultiple Airlines

Deal found 9/10

$3,019

Last-minute flights from Europe to Islip
Discover last-minute flight deals from Europe to Islip. Data last updated September 11, 2025 and is based on user searches.

Thu 10/28:25 amLHR - ISP

1 stop11h 56mMultiple Airlines

Fri 10/1011:53 amISP - LHR

1 stop13h 37mMultiple Airlines

Deal found 9/10

$2,197

Sun 10/261:00 pmLHR - ISP

2 stops25h 58mMultiple Airlines

Sun 11/24:33 pmISP - LHR

1 stop13h 52mMultiple Airlines

Deal found 9/11

$1,258

One-way flights from Europe to Islip
Search for one-way flight options from Europe to Islip. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Thu 9/259:25 pmLHR - ISP

3 stops42h 30mMultiple Airlines

Deal found 9/10

$600

Fly from

Fly to

Route

Depart

Return

Price

LondonIslip

LHR - ISP

LHRISP

London Heathrow

Sun 10/26

1:00 pm-10:58 am

2 stops25h 58m

Islip Long Island

Sun 11/2

4:33 pm-11:25 am

1 stop13h 52m

$1,258

LondonIslip

LHR - ISP

LHRISP

London Heathrow

Thu 10/2

12:00 pm-10:58 am

2 stops27h 58m

Islip Long Island

Fri 10/10

7:30 am-8:00 am

2 stops19h 30m

$3,019

LondonIslip

LHR - ISP

LHRISP

London Heathrow

Thu 9/25

9:25 pm-10:55 am

3 stops42h 30m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Europe to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Europe 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 Europe to Islip

What is the cheapest month to book a flight from Europe to Islip?

Currently, January is the cheapest month in which you can book a flight from Europe to Islip (average of $108). Flying from Europe to Islip in November is currently the most expensive (average of $213). 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

What airport do you fly into for flights to Islip from Europe?
If you book a flight to Islip from Europe, you will be flying to 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 Europe to Islip?
The most popular flight routes from Europe to Islip are Vigo - Islip Long Island, London Heathrow - Islip Long Island and Rome Fiumicino - Islip Long Island.
Can I find deals for flights from Europe to Islip that include hotel bookings?
Yes. In addition to deals on Europe to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Europe to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Europe to Islip.
Can I find deals for business class flights from Europe to Islip?
Yes. Cheapflights offers flight deals from Europe to Islip 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 Europe to Islip?
Currently, January is the cheapest month in which you can book a flight from Europe to Islip (average of $108). Flying from Europe to Islip in November is currently the most expensive (average of $213). 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.

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$600+ Cheap flights from Europe to Islip (ISP)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Europe to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Europe to Islip

Keep the following information in mind while searching for Europe to Islip flight deals. Data was last updated September 11, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Europe to Islip

Cheapest flights from Europe to IslipExplore the most affordable flight options available from Europe to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Europe to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Europe to Islip that are best for you.

Best time to book a flight from Europe to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Europe with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Europe to Islip

What is the cheapest month to book a flight from Europe to Islip?

Related info for your journey

Find useful and relevant information for your journey from Europe to Islip. 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 into for flights to Islip from Europe?

What are the most popular routes from Europe to Islip?

Can I find deals for flights from Europe to Islip that include hotel bookings?

How can I find direct flights from Europe to Islip?

Can I find deals for business class flights from Europe to Islip?

What is the cheapest month to book a flight from Europe to Islip?

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Alternative routes for Europe to Islip

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Cheapest flights from Europe to Islip
Explore the most affordable flight options available from Europe to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.