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Cheap flights from the United Kingdom to Islip, New York from £819

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ISP
2 Apr — 9 Apr1
1 adult

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 28 March 2025.

Popular in

August

Cheapest in

January

Average price

£376
Highest demand for flights based on searches. 9% potential increase in price (£32 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from United Kingdom to Islip

One-way flights from United Kingdom to Islip
Search for one-way flight options from United Kingdom to Islip. Find affordable one-way fares based on user searches. Data last updated 28 March 2025.

Wed 2/411:20LHR - ISP
3 stops36h 25mMultiple Airlines
Deal found 27/3£819
Wed 16/712:10EDI - ISP
1 stop14h 05mJetBlue
Deal found 26/3£961
Wed 16/708:25LHR - ISP
1 stop17h 50mJetBlue
Deal found 26/3£1,116

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 28 March 2025.
Use the filters below to find and compare flights from the United Kingdom to Islip that are best for you.

Fly from

United Kingdom

Fly to

Islip

Route

Depart

Return

Price

LondonIslip

LHR - ISP

LHRISP

London Heathrow

Wed 2/4

11:20-18:45

3 stops36h 25m

£819

EdinburghIslip

EDI - ISP

EDIISP

Edinburgh Turnhouse

Wed 16/7

12:10-21:15

1 stop14h 05m

£961

LondonIslip

LHR - ISP

LHRISP

London Heathrow

Wed 16/7

08:25-21:15

1 stop17h 50m

£1,116

Flights are sorted by cheapest return flights first.

Deals found on 27/3

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.
Estimated return 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 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).

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 28 March 2025.

Crew

8.0

Entertainment

7.3

Food

6.7

Boarding

7.5

Overall

7.3

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

JONATHAN,Mar 2025

MDE - FLL

Why will they allow you to have electronic boarding pass to then tell you you need to go to the counter and get a paper ticket?

Crew

8.0

Entertainment

7.3

Food

6.7

Boarding

7.5

Overall

7.3

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

JONATHAN,Mar 2025

MDE - FLL

Why will they allow you to have electronic boarding pass to then tell you you need to go to the counter and get a paper ticket?

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.
  • What airport do you fly into for flights to Islip from United Kingdom?

    Located just 7.2 mi from the city center, Islip Long Island (ISP) is the airport most travelers will use when flying to Islip from United Kingdom.

  • What are the most popular routes from United Kingdom to Islip, New York?

  • Can I find deals for flights from United Kingdom to Islip that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Islip flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Islip?

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

  • Can I find deals for business class flights from United Kingdom to Islip?

    Yes. Cheapflights offers flight deals from United Kingdom 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.

See more FAQs

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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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How does Cheapflights help users find flights from United Kingdom to Islip?

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Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Islip?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Islip.

Can Cheapflights find flights from United Kingdom to Islip with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Islip with no change fees.

Can Cheapflights notify me if prices for flights from United Kingdom to Islip become cheaper?

Of course! You can now track prices for flights from United Kingdom to Islip and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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