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£1,679+ Cheap flights to Islip, New York

— ISP
30 Sep — 7 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Islip, NY in 2026

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Cheapest flights to Islip

Sun 11/1019:50 -
2 stops29h 25m
Sun 18/1007:25 -
1 stop18h 05m
Deal found 27/8£1,679

Find flight deals to Islip

Return from

£420

Popular in

July

Cheapest in

February

Average price

£556
SWISS
  • SWISS
  • 12/9-17/9
  • 2 total stops
  • 23h 20m total
  • London to New York
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Highest demand for flights based on searches. 18% potential increase in price (£108 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for return flights in August 2026
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LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Sun 11/10

09:50-18:35

2 stops13h 45m

Islip Long Island

Sun 18/10

07:25-06:25

2 stops18h 00m

£3,391

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Sorted by cheapest first

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.
Estimated return price

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 28 hours 40 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

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

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).

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.

  • What airport do you fly into for flights to Islip?

    Booking a flight to Islip Long Island (ISP) is your only option if you intend on flying to Islip. It is only a 7.2 mi journey from Long Island to Islip’s city center.

  • Can I find cheaper flights to Islip if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Islip on Cheapflights that require 1 or 2 stops for potential cost savings.

  • Where does the fastest flight to Islip depart from?

    For those looking to save time traveling to Islip, London offers the quickest one-way flight (28 hours 40 minutes).

  • Does Islip Long Island have car hire?

    Yes. Those touching down at Islip Long Island can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Islip Long Island?

    Yes. Islip Long Island has hotels nearby for those requiring accommodations. Clarion Hotel & Conference Center Ronkonkoma Macarthur Airport is the closest property to Islip Long Island (0.0 mi away from Islip Long Island).

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