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.

£300 Cheap Flights from Islip, New York to London Gatwick Airport in 2026/27

Find the cheapest flights from Islip, New York to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:50 - 10:55ISP Islip Long Island-LGW London Gatwick

21h 05m2 stops Baltimore/Washington Reykjavik Keflavik Intl

14:40 - 22:55LGW London Gatwick-ISP Islip Long Island

36h 15m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£746Multiple Airlines

Mon, 15 Mar - Mon, 22 Mar

12:15 - 14:40ISP Islip Long Island-LGW London Gatwick

21h 25m2 stops Baltimore/Washington Reykjavik Keflavik Intl

15:40 - 23:35LGW London Gatwick-ISP Islip Long Island

36h 55m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£787Multiple Airlines

Sun, 11 Apr - Sun, 18 Apr

16:50 - 14:40ISP Islip Long Island-LGW London Gatwick

16h 50m2 stops Baltimore/Washington Reykjavik Keflavik Intl

15:40 - 00:05LGW London Gatwick-ISP Islip Long Island

37h 25m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£825Multiple Airlines

Sat, 10 Apr - Sat, 24 Apr

16:05 - 10:55ISP Islip Long Island-LGW London Gatwick

13h 50m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 23:35LGW London Gatwick-ISP Islip Long Island

16h 40m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£876Multiple Airlines

Tue, 17 Nov - Sun, 22 Nov

16:05 - 10:55ISP Islip Long Island-LGW London Gatwick

13h 50m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 23:35LGW London Gatwick-ISP Islip Long Island

16h 40m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£895Multiple Airlines

Tue, 10 Nov - Sun, 22 Nov

16:40 - 06:50ISP Islip Long Island-LGW London Gatwick

33h 10m1 stop Orlando

11:40 - 17:37LGW London Gatwick-ISP Islip Long Island

34h 57m2 stops Toronto Pearson Intl Fort Myers SW Florida Intl

£929Multiple Airlines

Mon, 30 Nov - Mon, 7 Dec

17:05 - 10:55ISP Islip Long Island-LGW London Gatwick

12h 50m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 23:50LGW London Gatwick-ISP Islip Long Island

16h 55m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£1,004Multiple Airlines

Sat, 21 Nov - Wed, 25 Nov

16:05 - 10:55ISP Islip Long Island-LGW London Gatwick

13h 50m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 23:50LGW London Gatwick-ISP Islip Long Island

16h 55m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£1,042Multiple Airlines

Tue, 15 Dec - Tue, 29 Dec

17:05 - 10:55ISP Islip Long Island-LGW London Gatwick

12h 50m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 23:50LGW London Gatwick-ISP Islip Long Island

16h 55m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£1,079Multiple Airlines

Sat, 21 Nov - Wed, 25 Nov

15:30 - 10:55ISP Islip Long Island-LGW London Gatwick

14h 25m2 stops Baltimore/Washington Reykjavik Keflavik Intl

11:55 - 23:50LGW London Gatwick-ISP Islip Long Island

16h 55m2 stops Reykjavik Keflavik Intl Baltimore/Washington

£1,098Multiple Airlines

Sat, 13 Feb - Sun, 21 Feb

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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

Mon 15/3

09:50-10:55

2 stops21h 05m

London Gatwick

Mon 22/3

14:40-22:55

2 stops36h 15m

£746

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sun 11/4

12:15-14:40

2 stops21h 25m

London Gatwick

Sun 18/4

15:40-23:35

2 stops36h 55m

£787

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 10/4

16:50-14:40

2 stops16h 50m

London Gatwick

Sat 24/4

15:40-00:05

2 stops37h 25m

£825

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Tue 17/11

16:05-10:55

2 stops13h 50m

London Gatwick

Sun 22/11

11:55-23:35

2 stops16h 40m

£876

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Tue 10/11

16:05-10:55

2 stops13h 50m

London Gatwick

Sun 22/11

11:55-23:35

2 stops16h 40m

£895

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Mon 30/11

16:40-06:50

1 stop33h 10m

London Gatwick

Mon 7/12

11:40-17:37

2 stops34h 57m

£929

Fastest return journey

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 21/11

17:05-10:55

2 stops12h 50m

London Gatwick

Wed 25/11

11:55-23:50

2 stops16h 55m

£1,004

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Tue 15/12

16:05-10:55

2 stops13h 50m

London Gatwick

Tue 29/12

11:55-23:50

2 stops16h 55m

£1,042

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 21/11

17:05-10:55

2 stops12h 50m

London Gatwick

Wed 25/11

11:55-23:50

2 stops16h 55m

£1,079

IslipLondon

ISP Islip Long Island - LGW London Gatwick

ISPLGW

Islip Long Island

Sat 13/2

15:30-10:55

2 stops14h 25m

London Gatwick

Sun 21/2

11:55-23:50

2 stops16h 55m

£1,098

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 £379. 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 £588. 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 £348. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the afternoon when prices are around £472.

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	£300
Fastest flight time	13h 50m
Direct flights	None

The best one-way flight to London Gatwick Airport from Islip, New York in the past 72 hours is £300. The best return flight deal from Islip, New York to London Gatwick Airport found on momondo in the last 72 hours is £746.

The fastest flight from Islip, New York to London Gatwick Airport takes 13h 50m

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 13h 50m, 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

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Luton

Ipswich

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Maidstone

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Hastings

Ilford

Canterbury

Chichester

Colchester

Hayes

Guildford

Bedford

Worthing

Harlow

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.