When did momondo last update prices for flights from Islip Long Island Airport to London Gatwick Airport?

Prices for flights from Islip Long Island Airport to London Gatwick Airport are refreshed on a daily basis.

How old do you have to be to fly from Islip Long Island Airport to London Gatwick Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to London Gatwick Airport.

What documentation or ID do you need to fly to London Gatwick Airport?

The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£231 Cheap Flights from Islip, New York to London Gatwick Airport in 2026

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Find the cheapest flights from Islip, New York to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:57 - 10:00

ISP

LGW

41h 03m

2 stops

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£684Multiple Airlines

Wed, 10 Jun - Fri, 19 Jun

21:52 - 10:00

ISP

LGW

31h 08m

1 stop

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£724Multiple Airlines

Wed, 10 Jun - Fri, 19 Jun

14:28 - 10:00

ISP

LGW

38h 32m

2 stops

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£735Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

10:48 - 10:00

ISP

LGW

18h 12m

1 stop

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£775Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

10:43 - 10:00

ISP

LGW

18h 17m

1 stop

20:10 - 10:56

LGW

ISP

43h 46m

2 stops

£1,087Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

10:43 - 10:00

ISP

LGW

18h 17m

1 stop

21:15 - 10:56

LGW

ISP

42h 41m

2 stops

£1,119Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

10:00 - 14:40

ISP

LGW

23h 40m

2 stops

15:40 - 10:30

LGW

ISP

23h 50m

2 stops

£1,342Multiple Airlines

Wed, 10 Jun - Fri, 19 Jun

15:05 - 11:45

ISP

LGW

15h 40m

2 stops

11:35 - 10:30

LGW

ISP

27h 55m

2 stops

£1,357Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

15:05 - 14:35

ISP

LGW

18h 30m

2 stops

09:45 - 12:30

LGW

ISP

31h 45m

3 stops

£1,382Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

07:26 - 08:25

ISP

LGW

19h 59m

2 stops

16:10 - 20:59

LGW

ISP

33h 49m

3 stops

£1,410Multiple Airlines

Wed, 10 Jun - Fri, 19 Jun

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York 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

Wed 10/6

11:57-10:00

2 stops41h 03m

London Gatwick

Fri 19/6

14:00-20:57

1 stop35h 57m

£684

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 10/6

21:52-10:00

1 stop31h 08m

London Gatwick

Fri 19/6

14:00-20:57

1 stop35h 57m

£724

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 3/7

14:28-10:00

2 stops38h 32m

London Gatwick

Fri 10/7

14:00-09:53

1 stop24h 53m

£735

Fastest return journey

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 3/7

10:48-10:00

1 stop18h 12m

London Gatwick

Fri 10/7

14:00-09:53

1 stop24h 53m

£775

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 11/7

10:43-10:00

1 stop18h 17m

London Gatwick

Sat 18/7

20:10-10:56

2 stops43h 46m

£1,087

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 11/7

10:43-10:00

1 stop18h 17m

London Gatwick

Sat 18/7

21:15-10:56

2 stops42h 41m

£1,119

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 10/6

10:00-14:40

2 stops23h 40m

London Gatwick

Fri 19/6

15:40-10:30

2 stops23h 50m

£1,342

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 11/7

15:05-11:45

2 stops15h 40m

London Gatwick

Sat 18/7

11:35-10:30

2 stops27h 55m

£1,357

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 11/7

15:05-14:35

2 stops18h 30m

London Gatwick

Sat 18/7

09:45-12:30

3 stops31h 45m

£1,382

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 10/6

07:26-08:25

2 stops19h 59m

London Gatwick

Fri 19/6

16:10-20:59

3 stops33h 49m

£1,410

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to London Gatwick Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Gatwick Airport?

According to our data, Thursday is the cheapest day to fly to London Gatwick Airport from Islip, New York. The lowest ticket price found for a Thursday departure recently was £292. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Islip, New York to London Gatwick Airport on a Saturday will generally be more expensive and average around £492. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Our data shows that the cheapest Islip, New York to London Gatwick Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Gatwick Airport in the afternoon for as low as £308. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the evening when prices are around £404.

When to book flights from Islip, New York to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Islip, New York to London Gatwick Airport (ISP to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to London Gatwick Airport

Fastest flight time	18h 17m
Direct flights	None

The fastest flight from Islip, New York to London Gatwick Airport takes 18h 17m

There are no direct flights from Islip, New York to London Gatwick Airport. There are no popular flight routes from Islip, New York to London Gatwick Airport.

Search flight deals

Frequently asked questions about flying from Islip, New York to London Gatwick Airport

How far is Islip Long Island to London Gatwick by plane?
London Gatwick is 3431.0 mi away from Islip Long Island. Flights usually cover this in 18h 17m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Islip Long Island Airport to London Gatwick Airport?
Prices for flights from Islip Long Island Airport to London Gatwick Airport are refreshed on a daily basis.
How old do you have to be to fly from Islip Long Island Airport to London Gatwick Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Eastbourne

Milton Keynes

Gatwick

Luton

Wembley

Slough

Maidstone

Southend-on-Sea

Ipswich

Canterbury

Ilford

Hayes

Guildford

Folkestone

Chelmsford

Bedford

Dover

Harlow

Chichester

Colchester

Why use momondo?

Why should I use momondo to find a flight deal from Islip to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to London. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to London?

momondo helps you find the best flight between Islip and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Islip to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Islip and alert you when they change.