In terms of precipitation, rainfall in Islip, New York 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, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, 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 England to Islip, New York?

The most popular flight routes from England to Islip, New York are Edinburgh Turnhouse - Islip Long Island, London Heathrow - Islip Long Island and Manchester - Islip Long Island.

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

When flying from England to Islip, New York, 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 England?

Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from England to Islip.

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

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

How can I find direct flights from England to Islip?

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

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

Yes. Cheapflights offers flight deals from England 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.

$5,076+ Flights from England to Islip, NY

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Cheap flight deals from England to Islip

Best flights from England to Islip
Discover carefully curated flight deals from England to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Sat 5/97:40 amLHR - ISP

2 stops17h 05mMultiple Airlines

Thu 5/141:51 pmISP - LHR

2 stops25h 54mMultiple Airlines

Deal found 12/16

$5,076

Find flight deals from England to Islip

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$972 (Trip.com)
Popular in	July
Cheapest in	September
Average price	$641

Provider with most accurate pricing for London (LON)-New York (NYC) flight deals.

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From England to Islip Long Island

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Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Fly from

Fly to

Route

Depart

Return

Price

LondonIslip

LHR - ISP

LHRISP

London Heathrow

Sat 5/9

7:40 am-7:45 pm

2 stops17h 05m

Islip Long Island

Thu 5/14

1:51 pm-8:45 pm

2 stops25h 54m

$5,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from England to Islip

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

What is the cheapest month to book a flight from England to Islip, New York?

Currently, July is the cheapest month in which you can book a flight from England to Islip, New York (average of $237). Flying from England to Islip, New York in June is currently the most expensive (average of $427). 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 England?
Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from England to Islip.
What are the most popular routes from England to Islip, New York?
The most popular flight routes from England to Islip, New York are Edinburgh Turnhouse - Islip Long Island, London Heathrow - Islip Long Island and Manchester - Islip Long Island.
Can I find deals for flights from England to Islip that include hotel bookings?
Yes. In addition to deals on England to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from England to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from England to Islip.
Can I find deals for business class flights from England to Islip?
Yes. Cheapflights offers flight deals from England 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 England to Islip, New York?
Currently, July is the cheapest month in which you can book a flight from England to Islip, New York (average of $237). Flying from England to Islip, New York in June is currently the most expensive (average of $427). 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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$5,076+ Cheap flights from England to Islip, NY (ISP)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from England 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 England to Islip

Best flights from England to IslipDiscover carefully curated flight deals from England to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Discover carefully curated flight deals from England to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Find flight deals from England to Islip

Keep the following information in mind while searching for England to Islip flight deals. Data was last updated December 16, 2025.

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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

Best time to book a flight from England to Islip

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

Cheapflights Insights

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

What is the cheapest month to book a flight from England to Islip, New York?

Related info for your journey

Find useful and relevant information for your journey from England 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 England?

What are the most popular routes from England to Islip, New York?

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

How can I find direct flights from England to Islip?

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

What is the cheapest month to book a flight from England to Islip, New York?

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Best flights from England to Islip
Discover carefully curated flight deals from England to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.