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.

£632 Cheap Flights from Islip to the United Kingdom in 2025/26

1 adult

0 bags

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

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Enter your travel dates to find the best prices.

20:46 - 10:00ISP-LGW

32h 14m1 stop

11:40 - 11:59LGW-ISP

53h 19m2 stops

£632Multiple Airlines

Find Deal

Sun, 11 Jan - Sun, 18 Jan

11:15 - 10:00ISP-LGW

17h 45m1 stop

14:10 - 13:09LGW-ISP

27h 59m1 stop

£777Multiple Airlines

Find Deal

Sun, 14 Dec - Sun, 21 Dec

11:40 - 10:00ISP-LGW

17h 20m2 stops

14:10 - 13:09LGW-ISP

27h 59m1 stop

£807Multiple Airlines

Find Deal

Sun, 14 Dec - Sun, 21 Dec

17:27 - 10:00ISP-LGW

35h 33m1 stop

13:00 - 19:51LGW-ISP

35h 51m2 stops

£1,040Multiple Airlines

Find Deal

Wed, 31 Dec - Wed, 7 Jan

12:30 - 07:50ISP-GLA

14h 20m2 stops

15:25 - 11:05GLA-ISP

24h 40m2 stops

£1,071Multiple Airlines

Find Deal

Wed, 31 Dec - Wed, 7 Jan

12:30 - 10:55ISP-LGW

17h 25m2 stops

16:10 - 19:45LGW-ISP

32h 35m3 stops

£1,110Multiple Airlines

Find Deal

Sun, 14 Dec - Sun, 21 Dec

12:30 - 22:00ISP-LGW

28h 30m3 stops

16:10 - 19:45LGW-ISP

32h 35m3 stops

£1,175Multiple Airlines

Find Deal

Sun, 14 Dec - Sun, 21 Dec

11:50 - 09:30ISP-LHR

16h 40m2 stops

09:20 - 18:45LHR-ISP

38h 25m2 stops

£1,254JetBlue

Find Deal

Tue, 16 Dec - Tue, 23 Dec

12:30 - 11:20ISP-LHR

17h 50m2 stops

06:00 - 19:45LHR-ISP

18h 45m2 stops

£1,448Multiple Airlines

Find Deal

Wed, 31 Dec - Wed, 7 Jan

09:59 - 15:50ISP-LHR

24h 51m3 stops

06:00 - 19:45LHR-ISP

18h 45m2 stops

£1,472Multiple Airlines

Find Deal

Wed, 31 Dec - Wed, 7 Jan

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

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 11/1

20:46-10:00

1 stop32h 14m

London Gatwick

Sun 18/1

11:40-11:59

2 stops53h 19m

£632

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 14/12

11:15-10:00

1 stop17h 45m

London Gatwick

Sun 21/12

14:10-13:09

1 stop27h 59m

£777

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 14/12

11:40-10:00

2 stops17h 20m

London Gatwick

Sun 21/12

14:10-13:09

1 stop27h 59m

£807

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 31/12

17:27-10:00

1 stop35h 33m

London Gatwick

Wed 7/1

13:00-19:51

2 stops35h 51m

£1,040

IslipGlasgow

ISP - GLA

ISPGLA

Islip Long Island

Wed 31/12

12:30-07:50

2 stops14h 20m

Glasgow Intl

Wed 7/1

15:25-11:05

2 stops24h 40m

£1,071

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 14/12

12:30-10:55

2 stops17h 25m

London Gatwick

Sun 21/12

16:10-19:45

3 stops32h 35m

£1,110

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 14/12

12:30-22:00

3 stops28h 30m

London Gatwick

Sun 21/12

16:10-19:45

3 stops32h 35m

£1,175

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Tue 16/12

11:50-09:30

2 stops16h 40m

London Heathrow

Tue 23/12

09:20-18:45

2 stops38h 25m

£1,254

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 31/12

12:30-11:20

2 stops17h 50m

London Heathrow

Wed 7/1

06:00-19:45

2 stops18h 45m

£1,448

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 31/12

09:59-15:50

3 stops24h 51m

London Heathrow

Wed 7/1

06:00-19:45

2 stops18h 45m

£1,472

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 38% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 13 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

Direct flights	None

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

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.