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Cheap flights from Islip, New York to London Gatwick Airport from £880

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LGW
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Islip to Gatwick

Enter your travel dates to find the best prices.

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 9 April 2026.

Fri 10/710:48
ISP
-
LGW
1 stop18h 12m
Multiple Airlines
Tue 14/713:05
LGW
-
ISP
2 stops33h 24m
Multiple Airlines
Deal found 9/4£880
Wed 20/512:30
ISP
-
LGW
2 stops17h 15m
Multiple Airlines
Wed 27/514:00
LGW
-
ISP
1 stop25h 05m
Multiple Airlines
Deal found 4/4£978
Sat 4/710:48
ISP
-
LGW
1 stop18h 12m
Multiple Airlines
Thu 16/714:00
LGW
-
ISP
2 stops50h 17m
Multiple Airlines
Deal found 7/4£1,097
Sat 4/714:22
ISP
-
LGW
2 stops38h 13m
JetBlue
Thu 16/712:20
LGW
-
ISP
2 stops39h 57m
JetBlue
Deal found 7/4£1,147
Fri 10/706:00
ISP
-
LGW
2 stops22h 35m
JetBlue
Tue 14/712:20
LGW
-
ISP
2 stops39h 57m
JetBlue
Deal found 9/4£1,191
Fri 22/512:30
ISP
-
LGW
2 stops38h 25m
Multiple Airlines
Fri 29/514:00
LGW
-
ISP
1 stop25h 05m
Multiple Airlines
Deal found 8/4£1,444

Find 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 9 April 2026.

Round-trip from

£978

Popular in

December

Cheapest in

September

Average price

£454
20/5-27/5
  • 20/5-27/5
  • 3 total stops
  • 42h 20m total
  • Islip to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 9 April 2026.
Use the filters below to find and compare flights from Islip to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 10/7

10:48-10:00

1 stop18h 12m

London Gatwick

Tue 14/7

14:00-10:03

1 stop25h 03m

£922
Fastest return journey

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 20/5

12:30-10:45

2 stops17h 15m

London Gatwick

Wed 27/5

14:00-10:05

1 stop25h 05m

£978

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 4/7

10:48-10:00

1 stop18h 12m

London Gatwick

Thu 16/7

14:00-11:17

2 stops50h 17m

£1,097

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 4/7

14:22-09:35

2 stops38h 13m

London Gatwick

Thu 16/7

12:20-23:17

2 stops39h 57m

£1,147

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 10/7

06:00-09:35

2 stops22h 35m

London Gatwick

Tue 14/7

12:20-23:17

2 stops39h 57m

£1,191

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 22/5

12:30-07:55

2 stops38h 25m

London Gatwick

Fri 29/5

14:00-10:05

1 stop25h 05m

£1,444

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Sorted by cheapest first

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, November is the cheapest month in which you can book a flight from Islip, New York to London Gatwick Airport (average of £206). Flying from Islip, New York to London Gatwick Airport in June is currently the most expensive (average of £398). 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.

  • How long is the flight from Islip, New York to London Gatwick Airport?

    Airlines like JetBlue fly from Islip, New York to London Gatwick Airport in about 38h 13m. The time it takes to get you to your destination can typically vary by up to . The distance from Islip, New York to London Gatwick Airport is about 3424 mi.

  • 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, November is the cheapest month in which you can book a flight from Islip, New York to London Gatwick Airport (average of £206). Flying from Islip, New York to London Gatwick Airport in June is currently the most expensive (average of £398). 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 London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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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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