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.

£827 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

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

12:30 - 08:05

ISP

LHR

14h 35m2 stops

08:50 - 19:45

LHR

ISP

15h 55m2 stops

£827Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

12:30 - 09:15

ISP

LHR

15h 45m2 stops

06:50 - 19:45

LHR

ISP

17h 55m3 stops

£966Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

07:25 - 07:50

ISP

EDI

19h 25m2 stops

16:10 - 11:05

EDI

ISP

23h 55m2 stops

£1,022Multiple Airlines

Sat, 24 Jan - Sat, 31 Jan

12:30 - 06:55

ISP

LHR

13h 25m1 stop

19:55 - 19:45

LHR

ISP

28h 50m2 stops

£1,189Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

12:30 - 06:55

ISP

LHR

13h 25m1 stop

09:20 - 16:10

LHR

ISP

11h 50m1 stop

£1,470Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

09:47 - 16:50

ISP

LHR

27h 03m2 stops

18:10 - 09:09

LHR

ISP

43h 59m2 stops

£1,518Multiple Airlines

Thu, 19 Mar - Thu, 2 Apr

12:30 - 06:55

ISP

LHR

13h 25m1 stop

12:15 - 11:05

LHR

ISP

27h 50m2 stops

£3,639Multiple Airlines

Fri, 23 Jan - Wed, 28 Jan

12:30 - 06:55

ISP

LHR

13h 25m1 stop

20:35 - 11:05

LHR

ISP

43h 30m2 stops

£3,640Multiple Airlines

Fri, 23 Jan - Mon, 26 Jan

12:30 - 06:55

ISP

LHR

13h 25m1 stop

12:15 - 11:05

LHR

ISP

27h 50m2 stops

£3,641Multiple Airlines

Fri, 23 Jan - Tue, 27 Jan

09:59 - 06:55

ISP

LHR

15h 56m1 stop

06:00 - 19:45

LHR

ISP

18h 45m2 stops

£3,650Multiple Airlines

Tue, 20 Jan - Thu, 29 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 - LHR

ISPLHR

Islip Long Island

Sun 25/1

12:30-08:05

2 stops14h 35m

London Heathrow

Sun 1/2

08:50-19:45

2 stops15h 55m

£827

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sun 25/1

12:30-09:15

2 stops15h 45m

London Heathrow

Sun 1/2

06:50-19:45

3 stops17h 55m

£966

IslipEdinburgh

ISP - EDI

ISPEDI

Islip Long Island

Sat 24/1

07:25-07:50

2 stops19h 25m

Edinburgh Turnhouse

Sat 31/1

16:10-11:05

2 stops23h 55m

£1,022

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sun 25/1

12:30-06:55

1 stop13h 25m

London Heathrow

Sun 1/2

19:55-19:45

2 stops28h 50m

£1,189

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sun 25/1

12:30-06:55

1 stop13h 25m

London Heathrow

Sun 1/2

09:20-16:10

1 stop11h 50m

£1,470

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Thu 19/3

09:47-16:50

2 stops27h 03m

London Heathrow

Thu 2/4

18:10-09:09

2 stops43h 59m

£1,518

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 23/1

12:30-06:55

1 stop13h 25m

London Heathrow

Wed 28/1

12:15-11:05

2 stops27h 50m

£3,639

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 23/1

12:30-06:55

1 stop13h 25m

London Heathrow

Mon 26/1

20:35-11:05

2 stops43h 30m

£3,640

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 23/1

12:30-06:55

1 stop13h 25m

London Heathrow

Tue 27/1

12:15-11:05

2 stops27h 50m

£3,641

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Tue 20/1

09:59-06:55

1 stop15h 56m

London Heathrow

Thu 29/1

06:00-19:45

2 stops18h 45m

£3,650

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

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 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.