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.

£281 Cheap Flights from Islip, New York to London Gatwick Airport in 2026

Find the cheapest flights from Islip, New York to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

18:25 - 10:00ISP Islip Long Island-LGW London Gatwick

34h 35m1 stop Orlando

09:40 - 17:30LGW London Gatwick-ISP Islip Long Island

36h 50m2 stops Toronto Pearson Intl Orlando

£594Multiple Airlines

Sat, 10 Oct - Sat, 17 Oct

18:25 - 10:00ISP Islip Long Island-LGW London Gatwick

34h 35m1 stop Orlando

14:00 - 18:00LGW London Gatwick-ISP Islip Long Island

33h 00m1 stop Orlando

£605Multiple Airlines

Thu, 15 Oct - Thu, 22 Oct

17:43 - 10:00ISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

14:00 - 16:58LGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

£624Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

17:43 - 10:00ISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

14:00 - 16:58LGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

£639Multiple Airlines

Sat, 26 Sep - Sat, 3 Oct

17:43 - 10:00ISP Islip Long Island-LGW London Gatwick

35h 17m1 stop Orlando

14:00 - 11:20LGW London Gatwick-ISP Islip Long Island

26h 20m2 stops Orlando Raleigh-Durham

£668Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

12:00 - 10:00ISP Islip Long Island-LGW London Gatwick

17h 00m2 stops Raleigh-Durham Orlando

14:00 - 16:58LGW London Gatwick-ISP Islip Long Island

31h 58m1 stop Orlando

£683Multiple Airlines

Sat, 26 Sep - Sat, 3 Oct

12:55 - 14:40ISP Islip Long Island-LGW London Gatwick

20h 45m2 stops Baltimore/Washington Reykjavik Keflavik Intl

15:40 - 22:40LGW London Gatwick-ISP Islip Long Island

36h 00m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£734Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

12:00 - 10:00ISP Islip Long Island-LGW London Gatwick

17h 00m2 stops Raleigh-Durham Orlando

14:00 - 17:30LGW London Gatwick-ISP Islip Long Island

32h 30m1 stop Orlando

£735Multiple Airlines

Wed, 14 Oct - Wed, 21 Oct

15:10 - 14:40ISP Islip Long Island-LGW London Gatwick

18h 30m2 stops Baltimore/Washington Reykjavik Keflavik Intl

15:40 - 22:40LGW London Gatwick-ISP Islip Long Island

36h 00m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£753Multiple Airlines

Mon, 12 Oct - Mon, 19 Oct

17:40 - 10:55ISP Islip Long Island-LGW London Gatwick

13h 15m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 21:40LGW London Gatwick-ISP Islip Long Island

14h 45m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£769Multiple Airlines

Fri, 30 Oct - Wed, 4 Nov

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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 Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 10/10

18:25-10:00

1 stop34h 35m

London Gatwick

Sat 17/10

09:40-17:30

2 stops36h 50m

£594

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Thu 15/10

18:25-10:00

1 stop34h 35m

London Gatwick

Thu 22/10

14:00-18:00

1 stop33h 00m

£605

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Fri 25/9

17:43-10:00

1 stop35h 17m

London Gatwick

Fri 2/10

14:00-16:58

1 stop31h 58m

£624

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 26/9

17:43-10:00

1 stop35h 17m

London Gatwick

Sat 3/10

14:00-16:58

1 stop31h 58m

£639

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Fri 25/9

17:43-10:00

1 stop35h 17m

London Gatwick

Fri 2/10

14:00-11:20

2 stops26h 20m

£668

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 26/9

12:00-10:00

2 stops17h 00m

London Gatwick

Sat 3/10

14:00-16:58

1 stop31h 58m

£683

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Tue 29/9

12:55-14:40

2 stops20h 45m

London Gatwick

Tue 6/10

15:40-22:40

2 stops36h 00m

£734

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Wed 14/10

12:00-10:00

2 stops17h 00m

London Gatwick

Wed 21/10

14:00-17:30

1 stop32h 30m

£735

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Mon 12/10

15:10-14:40

2 stops18h 30m

London Gatwick

Mon 19/10

15:40-22:40

2 stops36h 00m

£753

Fastest return journey

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Fri 30/10

17:40-10:55

2 stops13h 15m

London Gatwick

Wed 4/11

11:55-21:40

2 stops14h 45m

£769

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, Friday is the cheapest day to fly to London Gatwick Airport from Islip, New York. The lowest ticket price found for a Friday departure recently was £371. 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 £610. 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 evening. Our users have found flights to London Gatwick Airport in the evening for as low as £339. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the afternoon when prices are around £450.

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

Best price found	£281
Fastest flight time	15h 55m
Direct flights	None

The best one-way flight to London Gatwick Airport from Islip, New York in the past 72 hours is £281. The best return flight deal from Islip, New York to London Gatwick Airport found on momondo in the last 72 hours is £594.

The fastest flight from Islip, New York to London Gatwick Airport takes 15h 55m

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 15h 55m, 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

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

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.