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$759+ Cheap flights from Islip (ISP) to England

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LHR
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$759
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$516
From Islip Long Island to England
Search Deals
High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Islip to England

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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:40 amISP - LGW
2 stops17h 20mMultiple Airlines
Fri 11/142:00 pmLGW - ISP
1 stop25h 37mMultiple Airlines
Deal found 9/15$759
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:30 amISP - LHR
2 stops20h 35mMultiple Airlines
Wed 10/229:50 amLHR - ISP
2 stops14h 55mMultiple Airlines
Deal found 9/14$1,065
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:40 pmISP - LHR
2 stops17h 45mMultiple Airlines
Sun 11/239:20 amLHR - ISP
1 stop11h 55mMultiple Airlines
Deal found 9/14$2,556

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 17, 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

Thu 11/13

11:40 am-10:00 am

2 stops17h 20m

London Gatwick

Fri 11/14

2:00 pm-10:37 am

1 stop25h 37m

$759

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 10/16

7:30 am-9:05 am

2 stops20h 35m

London Heathrow

Wed 10/22

9:50 am-7:45 pm

2 stops14h 55m

$1,065

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 11/13

12:40 pm-11:25 am

2 stops17h 45m

London Heathrow

Sun 11/23

9:20 am-4:15 pm

1 stop11h 55m

$2,556

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 round-trip 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 to England?

Currently, November is the cheapest month in which you can book a flight from Islip to England (average of $661). Flying from Islip to England in June is currently the most expensive (average of $1,097). 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?

    Most people fly from Islip Long Island (ISP) if they book a flight from Islip to England. Islip Long Island is conveniently located just 7.2 mi from Islip’s city center.

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

    Most travelers choose Islip Long Island - London Gatwick, Islip Long Island - London Heathrow or Islip Long Island - Edinburgh Turnhouse when deciding on the best route from Islip to England.

  • 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 vacation 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 to England?

    Currently, November is the cheapest month in which you can book a flight from Islip to England (average of $661). Flying from Islip to England in June is currently the most expensive (average of $1,097). 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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