When did momondo last update prices for flights from Islip Long Island Airport to United Kingdom?

Prices for flights from Islip Long Island Airport to United Kingdom refresh daily.

How old do you have to be to fly from Islip Long Island Airport to United Kingdom?

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 United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The necessary travel and health documents for your United Kingdom 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.

£370 Cheap Flights from Islip to the United Kingdom in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Islip, New York to the United Kingdom

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:00 - 10:00

ISP

LGW

18h 00m

1 stop

14:00 - 10:05

LGW

ISP

25h 05m

1 stop

£708Multiple Airlines

Wed, 27 May - Wed, 3 Jun

11:57 - 10:00

ISP

LGW

17h 03m

2 stops

14:00 - 10:05

LGW

ISP

25h 05m

1 stop

£773Multiple Airlines

Wed, 27 May - Wed, 3 Jun

11:00 - 07:55

ISP

LGW

39h 55m

2 stops

14:00 - 10:05

LGW

ISP

25h 05m

1 stop

£782Multiple Airlines

Thu, 28 May - Thu, 4 Jun

11:00 - 07:55

ISP

LGW

39h 55m

2 stops

14:00 - 10:05

LGW

ISP

25h 05m

1 stop

£792Multiple Airlines

Fri, 29 May - Fri, 5 Jun

11:00 - 10:00

ISP

LGW

18h 00m

1 stop

14:00 - 10:05

LGW

ISP

25h 05m

1 stop

£837Multiple Airlines

Fri, 15 May - Fri, 22 May

11:00 - 10:00

ISP

LGW

18h 00m

1 stop

14:00 - 10:05

LGW

ISP

25h 05m

1 stop

£864Multiple Airlines

Fri, 29 May - Fri, 5 Jun

16:41 - 10:00

ISP

LGW

36h 19m

1 stop

14:00 - 10:03

LGW

ISP

25h 03m

1 stop

£865Multiple Airlines

Tue, 16 Jun - Sun, 21 Jun

16:41 - 10:45

ISP

LGW

37h 04m

2 stops

14:00 - 10:03

LGW

ISP

25h 03m

1 stop

£878Multiple Airlines

Tue, 16 Jun - Sun, 21 Jun

20:59 - 09:30

ISP

LHR

31h 31m

2 stops

08:40 - 12:32

LHR

ISP

32h 52m

2 stops

£990JetBlue

Fri, 15 May - Fri, 22 May

17:00 - 06:30

ISP

LHR

32h 30m

2 stops

08:15 - 23:17

LHR

ISP

44h 02m

2 stops

£1,119JetBlue

Fri, 10 Jul - Tue, 14 Jul

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JetBlue flights from Islip, New York to United Kingdom

Our best JetBlue deals on Islip, New York to United Kingdom flight tickets

JetBlue

15 May

ISP20:59Islip Long Island

31h 31m

2 stops

LHR09:30London Heathrow

22 May

LHR08:40London Heathrow

32h 52m

2 stops

ISP12:32Islip Long Island

£990

JetBlue

10 Jul

ISP17:00Islip Long Island

32h 30m

2 stops

LHR06:30London Heathrow

14 Jul

LHR08:15London Heathrow

44h 02m

2 stops

ISP23:17Islip Long Island

£1,119

JetBlue

18 Apr

ISP17:15Islip Long Island

35h 15m

2 stops

LHR09:30London Heathrow

25 Apr

LHR08:15London Heathrow

37h 14m

2 stops

ISP16:29Islip Long Island

£1,123

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 27/5

11:00-10:00

1 stop18h 00m

London Gatwick

Wed 3/6

14:00-10:05

1 stop25h 05m

£708

Fastest return journey

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 27/5

11:57-10:00

2 stops17h 03m

London Gatwick

Wed 3/6

14:00-10:05

1 stop25h 05m

£773

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Thu 28/5

11:00-07:55

2 stops39h 55m

London Gatwick

Thu 4/6

14:00-10:05

1 stop25h 05m

£782

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 29/5

11:00-07:55

2 stops39h 55m

London Gatwick

Fri 5/6

14:00-10:05

1 stop25h 05m

£792

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 15/5

11:00-10:00

1 stop18h 00m

London Gatwick

Fri 22/5

14:00-10:05

1 stop25h 05m

£837

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 29/5

11:00-10:00

1 stop18h 00m

London Gatwick

Fri 5/6

14:00-10:05

1 stop25h 05m

£864

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Tue 16/6

16:41-10:00

1 stop36h 19m

London Gatwick

Sun 21/6

14:00-10:03

1 stop25h 03m

£865

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Tue 16/6

16:41-10:45

2 stops37h 04m

London Gatwick

Sun 21/6

14:00-10:03

1 stop25h 03m

£878

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 15/5

20:59-09:30

2 stops31h 31m

London Heathrow

Fri 22/5

08:40-12:32

2 stops32h 52m

£990

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 10/7

17:00-06:30

2 stops32h 30m

London Heathrow

Tue 14/7

08:15-23:17

2 stops44h 02m

£1,119

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 United Kingdom

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

Which airlines fly to United Kingdom?

Virgin Atlantic, British Airways and Aer Lingus are the top three most popular airlines that fly to United Kingdom from Islip, New York according to our data. Virgin Atlantic is the first choice among our users, with 40% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 14 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to United Kingdom

Fastest flight time	15h 55m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 15h 55m

There are no direct flights from Islip, New York to United Kingdom. There are no popular flight routes from Islip, New York to United Kingdom.

Search flight deals

Frequently asked questions about flying from Islip, New York to the United Kingdom

When did momondo last update prices for flights from Islip Long Island Airport to United Kingdom?
Prices for flights from Islip Long Island Airport to United Kingdom refresh daily.
How old do you have to be to fly from Islip Long Island Airport to United Kingdom?
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 United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The necessary travel and health documents for your United Kingdom 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.

Why use momondo?

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

Finding the right flight to United Kingdom from Islip is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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

Yes. All flights to United Kingdom from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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