Cheap flights from the United Kingdom to Islip, New York from £664
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from United Kingdom to Islip
Keep the following information in mind while searching for United Kingdom to Islip flight deals. Data was last updated 8 May 2025.
Find flight deals from United Kingdom to Islip
Cheapest flights from United Kingdom to IslipExplore the most affordable flight options available from United Kingdom to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 May 2025.
Explore the most affordable flight options available from United Kingdom to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 May 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from United Kingdom to Islip 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 858,174 searches. Data last updated 8 May 2025.
Use the filters below to find and compare flights from the United Kingdom to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonIslip
LHR - ISP
LHRISP
London Heathrow
Sat 21/6
08:20-19:36
1 stop16h 16m
Islip Long Island
Sat 28/6
20:21-07:15
1 stop29h 54m
Best time to book a flight from United Kingdom to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from United Kingdom with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United Kingdom to Islip
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, New York 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, New York 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, 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 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).
Related info for your journey
Find useful and relevant information for your journey from United Kingdom to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for United Kingdom to Islip
See prices for flight routes from nearby airports that may be better suited for you.
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