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.

£385 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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One-way

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Enter your travel dates to find the best prices.

12:30 - 10:45ISP-GLA

17h 15m2 stops

09:45 - 19:45GLA-ISP

15h 00m2 stops

£1,081Multiple Airlines

Find Deal

Wed, 7 Jan - Wed, 14 Jan

12:30 - 07:35ISP-MAN

14h 05m2 stops

14:50 - 11:05MAN-ISP

25h 15m2 stops

£1,100Multiple Airlines

Find Deal

Wed, 7 Jan - Wed, 14 Jan

07:25 - 07:50ISP-GLA

19h 25m2 stops

09:55 - 19:45GLA-ISP

14h 50m2 stops

£1,127Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 15 Jan

12:30 - 12:40ISP-LHR

19h 10m2 stops

09:20 - 16:10LHR-ISP

11h 50m1 stop

£1,298Multiple Airlines

Find Deal

Wed, 7 Jan - Wed, 14 Jan

12:30 - 12:40ISP-LHR

19h 10m2 stops

09:20 - 16:10LHR-ISP

11h 50m1 stop

£1,315Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 15 Jan

12:30 - 06:55ISP-LHR

13h 25m1 stop

09:20 - 16:10LHR-ISP

11h 50m1 stop

£1,977Multiple Airlines

Find Deal

Wed, 7 Jan - Wed, 14 Jan

12:30 - 06:55ISP-LHR

13h 25m1 stop

09:20 - 16:10LHR-ISP

11h 50m1 stop

£1,994Multiple Airlines

Find Deal

Thu, 8 Jan - Thu, 15 Jan

09:59 - 06:55ISP-LHR

15h 56m1 stop

08:50 - 16:37LHR-ISP

36h 47m2 stops

£2,793Multiple Airlines

Find Deal

Tue, 23 Dec - Tue, 30 Dec

09:59 - 06:55ISP-LHR

15h 56m1 stop

09:20 - 16:10LHR-ISP

11h 50m1 stop

£3,805Multiple Airlines

Find Deal

Tue, 23 Dec - Tue, 30 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

IslipGlasgow

ISP - GLA

ISPGLA

Islip Long Island

Wed 7/1

12:30-10:45

2 stops17h 15m

Glasgow Intl

Wed 14/1

09:45-19:45

2 stops15h 00m

£1,081

IslipManchester

ISP - MAN

ISPMAN

Islip Long Island

Wed 7/1

12:30-07:35

2 stops14h 05m

Manchester

Wed 14/1

14:50-11:05

2 stops25h 15m

£1,100

IslipGlasgow

ISP - GLA

ISPGLA

Islip Long Island

Thu 8/1

07:25-07:50

2 stops19h 25m

Glasgow Intl

Thu 15/1

09:55-19:45

2 stops14h 50m

£1,127

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 7/1

12:30-12:40

2 stops19h 10m

London Heathrow

Wed 14/1

09:20-16:10

1 stop11h 50m

£1,298

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 8/1

12:30-12:40

2 stops19h 10m

London Heathrow

Thu 15/1

09:20-16:10

1 stop11h 50m

£1,315

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 7/1

12:30-06:55

1 stop13h 25m

London Heathrow

Wed 14/1

09:20-16:10

1 stop11h 50m

£1,977

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 8/1

12:30-06:55

1 stop13h 25m

London Heathrow

Thu 15/1

09:20-16:10

1 stop11h 50m

£1,994

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Tue 23/12

09:59-06:55

1 stop15h 56m

London Heathrow

Tue 30/12

08:50-16:37

2 stops36h 47m

£2,793

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Tue 23/12

09:59-06:55

1 stop15h 56m

London Heathrow

Tue 30/12

09:20-16:10

1 stop11h 50m

£3,805

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sun 5/4

10:31-11:55

3 stops44h 24m

£385

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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.