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Cheap flights from Islip, New York to London Gatwick Airport from £503

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LGW
15 Jul — 22 Jul1
1 adult

Cheap flight deals from Islip to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 July 2025.

Round-trip from

£503

Popular in

June

Cheapest in

January

Average price

£464
20/8-3/9
  • 20/8-3/9
  • 2 total stops
  • 35h 41m total
  • Islip to London
Highest demand for flights based on searches. 11% potential increase in price (£41 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Islip to Gatwick

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

Wed 20/808:00ISP - LGW
1 stop21h 00mMultiple Airlines
Wed 3/914:00LGW - ISP
1 stop14h 41mMultiple Airlines
Deal found 9/7£503

Cheapflights Fare Finder

Customise your flight search to find flights from Islip to Gatwick 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 10 July 2025.
Use the filters below to find and compare flights from Islip to London Gatwick Airport that are best for you.

Fly from

Islip

Fly to

Gatwick

Route

Depart

Return

Price

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 20/8

08:00-10:00

1 stop21h 00m

London Gatwick

Wed 3/9

14:00-23:41

1 stop14h 41m

£503

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Best time to book a flight from Islip to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick 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 London Gatwick Airport

What is the cheapest month to book a flight from Islip, New York to London Gatwick Airport?

Currently, April is the cheapest month in which you can book a flight from Islip, New York to London Gatwick Airport (average of £102). Flying from Islip, New York to London Gatwick Airport in July is currently the most expensive (average of £142). 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 Gatwick. 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 London Gatwick?

    For a flight from Islip to London Gatwick, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 outbound flights to London Gatwick per day. 0 airlines have flights to London Gatwick from Islip Long Island on a regular basis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Gatwick 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 London Gatwick Airport?

    Currently, April is the cheapest month in which you can book a flight from Islip, New York to London Gatwick Airport (average of £102). Flying from Islip, New York to London Gatwick Airport in July is currently the most expensive (average of £142). 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

Travelling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Maidstone
Guildford
Chichester

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

When you search for this flight from Islip to Gatwick, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Gatwick from Islip by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

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

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

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