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.

£410 Cheap Flights from Islip, New York to the United Kingdom in 2026

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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:28 - 10:00

ISP

LGW

38h 32m

2 stops

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£682Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

14:28 - 10:00

ISP

LGW

38h 32m

2 stops

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£717Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

14:28 - 10:00

ISP

LGW

38h 32m

2 stops

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£732Multiple 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

£772Multiple 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

£785Multiple 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

£797Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

12:35 - 11:55

ISP

LHR

18h 20m

2 stops

12:15 - 23:35

LHR

ISP

15h 20m

2 stops

£808Multiple Airlines

Fri, 23 Oct - Mon, 26 Oct

21:52 - 10:00

ISP

LGW

31h 08m

1 stop

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£820Multiple Airlines

Thu, 11 Jun - Sun, 14 Jun

11:30 - 09:35

ISP

LGW

41h 05m

2 stops

12:20 - 14:12

LGW

ISP

30h 52m

2 stops

£963JetBlue

Thu, 11 Jun - Sun, 14 Jun

11:30 - 06:30

ISP

LHR

38h 00m

2 stops

08:40 - 14:12

LHR

ISP

34h 32m

2 stops

£1,040JetBlue

Thu, 11 Jun - Sun, 14 Jun

JetBlue flights from Islip, New York to United Kingdom

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

JetBlue

11 Jun

ISP11:30Islip Long Island

41h 05m

2 stops

LGW09:35London Gatwick

14 Jun

LGW12:20London Gatwick

30h 52m

2 stops

ISP14:12Islip Long Island

£963

JetBlue

11 Jun

ISP11:30Islip Long Island

38h 00m

2 stops

LHR06:30London Heathrow

14 Jun

LHR08:40London Heathrow

34h 32m

2 stops

ISP14:12Islip Long Island

£1,040

JetBlue

16 Jun

ISP12:25Islip Long Island

16h 05m

2 stops

LHR09:30London Heathrow

22 Jun

LHR08:40London Heathrow

31h 50m

2 stops

ISP11:30Islip Long Island

£1,146

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

Fri 3/7

14:28-10:00

2 stops38h 32m

London Gatwick

Fri 10/7

14:00-09:53

1 stop24h 53m

£682

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

£717

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

£732

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

£772

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

£785

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

£797

Fastest return journey

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 23/10

12:35-11:55

2 stops18h 20m

London Heathrow

Mon 26/10

12:15-23:35

2 stops15h 20m

£808

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Thu 11/6

21:52-10:00

1 stop31h 08m

London Gatwick

Sun 14/6

14:00-20:57

1 stop35h 57m

£820

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Thu 11/6

11:30-09:35

2 stops41h 05m

London Gatwick

Sun 14/6

12:20-14:12

2 stops30h 52m

£963

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 11/6

11:30-06:30

2 stops38h 00m

London Heathrow

Sun 14/6

08:40-14:12

2 stops34h 32m

£1,040

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 39% 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	12h 29m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 12h 29m

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.