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 were last updated today.

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 travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$592 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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7:26 pm - 10:00 am

ISP

LGW

33h 34m2 stops

2:00 pm - 8:47 pm

LGW

ISP

35h 47m1 stop

$592Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

7:43 pm - 10:00 am

ISP

LGW

33h 17m1 stop

2:00 pm - 8:47 pm

LGW

ISP

35h 47m1 stop

$615Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

10:00 am - 10:45 am

ISP

MAN

19h 45m2 stops

11:55 am - 8:55 am

MAN

ISP

26h 00m2 stops

$983Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

11:05 am - 4:00 pm

ISP

GLA

47h 55m3 stops

12:00 pm - 5:50 pm

GLA

ISP

58h 50m3 stops

$1,098Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

12:30 pm - 7:10 am

ISP

LHR

13h 40m2 stops

7:50 am - 7:45 pm

LHR

ISP

16h 55m2 stops

$1,278Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

9:59 am - 7:10 am

ISP

LHR

16h 11m2 stops

6:50 am - 7:45 pm

LHR

ISP

17h 55m3 stops

$1,297Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

12:30 pm - 7:35 am

ISP

MAN

14h 05m2 stops

9:45 am - 7:45 pm

MAN

ISP

15h 00m2 stops

$1,314Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

10:00 am - 11:30 am

ISP

GLA

20h 30m2 stops

12:00 pm - 5:50 pm

GLA

ISP

58h 50m3 stops

$1,339Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

9:59 am - 7:50 am

ISP

GLA

16h 51m2 stops

8:40 am - 7:45 pm

GLA

ISP

16h 05m2 stops

$1,347Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

10:00 am - 7:15 pm

ISP

MAN

28h 15m2 stops

10:30 am - 8:55 am

MAN

ISP

27h 25m1 stop

$1,512Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

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

Thu 1/29

7:26 pm-10:00 am

2 stops33h 34m

London Gatwick

Thu 2/5

2:00 pm-8:47 pm

1 stop35h 47m

$592

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Thu 1/29

7:43 pm-10:00 am

1 stop33h 17m

London Gatwick

Thu 2/5

2:00 pm-8:47 pm

1 stop35h 47m

$615

IslipManchester

ISP - MAN

ISPMAN

Islip Long Island

Sat 1/31

10:00 am-10:45 am

2 stops19h 45m

Manchester

Sat 2/7

11:55 am-8:55 am

2 stops26h 00m

$983

IslipGlasgow

ISP - GLA

ISPGLA

Islip Long Island

Sat 1/31

11:05 am-4:00 pm

3 stops47h 55m

Glasgow Intl

Sat 2/7

12:00 pm-5:50 pm

3 stops58h 50m

$1,098

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sat 1/31

12:30 pm-7:10 am

2 stops13h 40m

London Heathrow

Sat 2/7

7:50 am-7:45 pm

2 stops16h 55m

$1,278

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sat 1/31

9:59 am-7:10 am

2 stops16h 11m

London Heathrow

Sat 2/7

6:50 am-7:45 pm

3 stops17h 55m

$1,297

IslipManchester

ISP - MAN

ISPMAN

Islip Long Island

Thu 1/29

12:30 pm-7:35 am

2 stops14h 05m

Manchester

Thu 2/5

9:45 am-7:45 pm

2 stops15h 00m

$1,314

IslipGlasgow

ISP - GLA

ISPGLA

Islip Long Island

Sat 1/31

10:00 am-11:30 am

2 stops20h 30m

Glasgow Intl

Sat 2/7

12:00 pm-5:50 pm

3 stops58h 50m

$1,339

IslipGlasgow

ISP - GLA

ISPGLA

Islip Long Island

Sat 1/31

9:59 am-7:50 am

2 stops16h 51m

Glasgow Intl

Sat 2/7

8:40 am-7:45 pm

2 stops16h 05m

$1,347

IslipManchester

ISP - MAN

ISPMAN

Islip Long Island

Thu 1/29

10:00 am-7:15 pm

2 stops28h 15m

Manchester

Thu 2/5

10:30 am-8:55 am

1 stop27h 25m

$1,512

Flights are sorted by cheapest round-trip 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

What airlines fly to United Kingdom?

British Airways, United Airlines and Aer Lingus are the top three most popular airlines that fly to United Kingdom from Islip, New York according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 22 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	13h 40m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 13h 40m

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 were last updated today.
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 travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from Islip.

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?

Yes. momondo can track prices for Islip to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.