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Cheap flights from Islip, New York to England from £803

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LHR
30 11月 — 7 12月1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Islip to England

Enter your travel dates to find the best prices.

Cheapest flights from Islip to England
Explore the most affordable flight options available from Islip to England. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 10月 2025.

週三 5/1116:25ISP - LHR
2 stops24h 15mJetBlue
週三 12/1107:25LHR - ISP
2 stops34h 23mJetBlue
Deal found 29/10£803
週三 5/1107:30ISP - LHR
1 stop18h 30mMultiple Airlines
週三 12/1113:30LHR - ISP
1 stop11h 15mMultiple Airlines
Deal found 29/10£946
週六 13/1210:19ISP - LGW
1 stop18h 46mMultiple Airlines
週六 20/1209:25LGW - ISP
2 stops30h 39mMultiple Airlines
Deal found 29/10£960
週三 5/1112:40ISP - LGW
2 stops24h 10mMultiple Airlines
週三 12/1111:55LGW - ISP
2 stops33h 20mMultiple Airlines
Deal found 29/10£1,314
週六 13/1212:40ISP - LHR
2 stops21h 50mMultiple Airlines
週六 20/1209:20LHR - ISP
1 stop11h 55mMultiple Airlines
Deal found 29/10£1,944

Cheap flight deals from Islip to England

Keep the following information in mind while searching for Islip to England flight deals. Data was last updated 31 10月 2025.

Round-trip from

£960

Popular in

December

Cheapest in

January

Average price

£417
13/12-20/12
  • 13/12-20/12
  • 3 total stops
  • 49h 25m total
  • Islip to England
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Islip to England 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 31 10月 2025.
Use the filters below to find and compare flights from Islip to England that are best for you.

Fly from

Islip

Fly to

England

Route

Depart

Return

Price

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

週六 13/12

10:19-10:05

1 stop18h 46m

London Gatwick

週六 20/12

09:25-11:04

2 stops30h 39m

£960

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

週六 13/12

12:40-15:30

2 stops21h 50m

London Heathrow

週六 20/12

09:20-16:15

1 stop11h 55m

£1,944

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Best time to book a flight from Islip to England

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

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

Currently, August is the cheapest month in which you can book a flight from Islip, New York to England (average of £109). Flying from Islip, New York to England in June is currently the most expensive (average of £364). 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

Find useful and relevant information for your journey from Islip to England. 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 from for flights from Islip to England?

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

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

    The most popular route from Islip, New York to England is Islip Long Island - London Gatwick. You may also consider Islip Long Island - London Heathrow or Islip Long Island - Edinburgh Turnhouse.

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

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

  • How can I find direct flights from Islip to England?

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

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

    Yes. Cheapflights offers flight deals from Islip to England 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 Islip, New York to England?

    Currently, August is the cheapest month in which you can book a flight from Islip, New York to England (average of £109). Flying from Islip, New York to England in June is currently the most expensive (average of £364). 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.

See more FAQs

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Fly with Cheapflights

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How does Cheapflights help users find flights from Islip to England?

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

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to England from Islip today and book when prices fit your budget.

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