£892+ Cheap flights to Islip, New York
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Islip, NY in 2025
Find the latest flights to Islip in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 11 July 2025.
Find flight deals to Islip
Cheapest flights to IslipExplore the most affordable flight options available to Islip. Find the lowest fares based on data from user searches, with prices last updated on 11 July 2025.
Explore the most affordable flight options available to Islip. Find the lowest fares based on data from user searches, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Locate flights to Islip that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 11 July 2025.
Use the filters below to find and compare flights to Islip that are best for you.
Fly from
Route
Depart
Return
Price
LondonIslip
LHR - ISP
LHRISP
London Heathrow
Sat 23/8
09:40-20:01
1 stop15h 21m
Islip Long Island
Sat 30/8
11:53-08:05
1 stop15h 12m
LondonIslip
LHR - ISP
LHRISP
London Heathrow
Sun 24/8
09:45-20:01
2 stops15h 16m
Islip Long Island
Sun 31/8
14:19-07:50
1 stop12h 31m
Best time to book a flight to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Islip
How long is the flight to Islip?
On average, a flight from London to Islip takes 22 hours 14 minutes. Flights to Islip from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.
Rainfall in Islip by month
Plan your trip to Islip by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Islip ranges from 84.0 - 112.0 inches per month. March is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Islip when rainfall is around 84.0 mm.
Temperature in Islip by month
Plan your trip to Islip by taking into account the average temperature totals by month.
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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).
Reviews of airlines servicing Islip
Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated 11 July 2025.
Get a feel of what it's like to fly with Alaska Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
FAQs about flying to Islip
Getting around Islip
As one would expect, there is a very good public transport system in this city and Long Island as a whole. Taxis too are an option for getting around but this can be pricey. Many visitors to America choose to rent a car since car travel is very easy in America.
Getting from the Airport to Islip
Long Island MacArthur Airport (ISP) is the nearest airport to the city. For those arriving at this airport, there are a number of onward travel options including bus services, taxis and rail; Ronkonkoma railway station is a mile away from the airport. John F. Kennedy International Airport (JFK), the next nearest airport, is an hour away on the train.
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