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.

£697 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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12:37 - 09:00ISP-LGW

15h 23m1 stop

12:30 - 22:17LGW-ISP

14h 47m1 stop

£697Multiple Airlines

Find Deal

Wed, 17 Dec - Wed, 24 Dec

10:19 - 10:00ISP-LGW

18h 41m1 stop

14:00 - 11:25LGW-ISP

26h 25m1 stop

£829Multiple Airlines

Find Deal

Mon, 15 Dec - Mon, 22 Dec

12:20 - 11:55ISP-GLA

18h 35m2 stops

06:20 - 13:09GLA-ISP

35h 49m2 stops

£921Multiple Airlines

Find Deal

Thu, 18 Dec - Thu, 25 Dec

14:25 - 10:55ISP-LGW

15h 30m2 stops

14:00 - 11:25LGW-ISP

26h 25m1 stop

£1,210Multiple Airlines

Find Deal

Mon, 15 Dec - Mon, 22 Dec

09:59 - 11:20ISP-LHR

20h 21m2 stops

06:30 - 19:45LHR-ISP

18h 15m2 stops

£1,234Multiple Airlines

Find Deal

Wed, 17 Dec - Wed, 24 Dec

09:59 - 11:20ISP-LHR

20h 21m2 stops

13:30 - 19:45LHR-ISP

11h 15m1 stop

£1,258Multiple Airlines

Find Deal

Wed, 17 Dec - Wed, 24 Dec

09:59 - 07:10ISP-LHR

16h 11m3 stops

06:30 - 19:45LHR-ISP

18h 15m2 stops

£1,375Multiple Airlines

Find Deal

Wed, 17 Dec - Wed, 24 Dec

12:40 - 11:25ISP-LHR

17h 45m2 stops

09:20 - 16:15LHR-ISP

11h 55m1 stop

£1,815Multiple Airlines

Find Deal

Thu, 18 Dec - Thu, 25 Dec

12:40 - 06:55ISP-LHR

13h 15m1 stop

09:20 - 16:15LHR-ISP

11h 55m1 stop

£1,917Multiple Airlines

Find Deal

Wed, 17 Dec - Wed, 24 Dec

12:40 - 09:15ISP-LHR

15h 35m2 stops

09:20 - 16:15LHR-ISP

11h 55m1 stop

£1,984Multiple Airlines

Find Deal

Mon, 15 Dec - Mon, 22 Dec

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

Wed 17/12

12:37-09:00

1 stop15h 23m

London Gatwick

Wed 24/12

12:30-22:17

1 stop14h 47m

£697

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Mon 15/12

10:19-10:00

1 stop18h 41m

London Gatwick

Mon 22/12

14:00-11:25

1 stop26h 25m

£829

IslipGlasgow

ISP - GLA

ISPGLA

Islip Long Island

Thu 18/12

12:20-11:55

2 stops18h 35m

Glasgow Intl

Thu 25/12

06:20-13:09

2 stops35h 49m

£921

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Mon 15/12

14:25-10:55

2 stops15h 30m

London Gatwick

Mon 22/12

14:00-11:25

1 stop26h 25m

£1,210

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 17/12

09:59-11:20

2 stops20h 21m

London Heathrow

Wed 24/12

06:30-19:45

2 stops18h 15m

£1,234

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 17/12

09:59-11:20

2 stops20h 21m

London Heathrow

Wed 24/12

13:30-19:45

1 stop11h 15m

£1,258

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 17/12

09:59-07:10

3 stops16h 11m

London Heathrow

Wed 24/12

06:30-19:45

2 stops18h 15m

£1,375

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 18/12

12:40-11:25

2 stops17h 45m

London Heathrow

Thu 25/12

09:20-16:15

1 stop11h 55m

£1,815

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 17/12

12:40-06:55

1 stop13h 15m

London Heathrow

Wed 24/12

09:20-16:15

1 stop11h 55m

£1,917

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Mon 15/12

12:40-09:15

2 stops15h 35m

London Heathrow

Mon 22/12

09:20-16:15

1 stop11h 55m

£1,984

Flights are sorted by cheapest return flights first.

Sorted 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.