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.

£739 Cheap Flights from Islip, New York to the United Kingdom in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:00 - 06:30

ISP

LHR

35h 30m

2 stops

08:15 - 13:05

LHR

ISP

57h 50m

2 stops

£997JetBlue

Fri, 2 Oct - Sun, 11 Oct

14:55 - 11:45

ISP

LGW

15h 50m

2 stops

13:00 - 23:40

LGW

ISP

15h 40m

2 stops

£1,038Multiple Airlines

Wed, 8 Jul - Thu, 16 Jul

10:43 - 10:00

ISP

LGW

18h 17m

1 stop

20:10 - 10:56

LGW

ISP

43h 46m

2 stops

£1,039Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

15:02 - 14:40

ISP

LGW

18h 38m

2 stops

14:00 - 09:33

LGW

ISP

24h 33m

1 stop

£1,067Multiple Airlines

Fri, 2 Oct - Sun, 11 Oct

10:43 - 10:00

ISP

LGW

18h 17m

1 stop

20:10 - 10:56

LGW

ISP

43h 46m

2 stops

£1,086Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

17:29 - 09:35

ISP

LHR

11h 06m

1 stop

09:50 - 18:35

LHR

ISP

13h 45m

2 stops

£1,112Multiple Airlines

Fri, 2 Oct - Sun, 11 Oct

10:43 - 10:00

ISP

LGW

18h 17m

1 stop

21:15 - 10:56

LGW

ISP

42h 41m

2 stops

£1,118Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

07:00 - 07:10

ISP

LHR

19h 10m

1 stop

20:10 - 10:56

LHR

ISP

19h 46m

1 stop

£1,139Multiple Airlines

Fri, 2 Oct - Sun, 11 Oct

09:00 - 11:45

ISP

LGW

21h 45m

2 stops

09:45 - 20:59

LGW

ISP

40h 14m

3 stops

£1,157Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

13:45 - 20:20

ISP

LHR

25h 35m

2 stops

08:50 - 10:41

LHR

ISP

30h 51m

2 stops

£1,162Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

JetBlue flights from Islip, New York to United Kingdom

Our best JetBlue deals on Islip, New York to United Kingdom flight tickets

JetBlue

2 Oct

ISP14:00Islip Long Island

35h 30m

2 stops

LHR06:30London Heathrow

11 Oct

LHR08:15London Heathrow

57h 50m

2 stops

ISP13:05Islip Long Island

£996

JetBlue

10 Jun

ISP12:25Islip Long Island

37h 05m

2 stops

LHR06:30London Heathrow

19 Jun

LHR08:15London Heathrow

29h 59m

2 stops

ISP09:14Islip Long Island

£1,100

JetBlue

6 Jun

ISP13:36Islip Long Island

38h 59m

2 stops

LGW09:35London Gatwick

13 Jun

LGW12:20London Gatwick

27h 20m

2 stops

ISP10:40Islip Long Island

£1,231

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

Cheapest return flight

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 2/10

14:00-06:30

2 stops35h 30m

London Heathrow

Sun 11/10

08:15-13:05

2 stops57h 50m

£996

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 8/7

14:55-11:45

2 stops15h 50m

London Gatwick

Thu 16/7

13:00-23:40

2 stops15h 40m

£1,038

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 11/7

10:43-10:00

1 stop18h 17m

London Gatwick

Sat 18/7

20:10-10:56

2 stops43h 46m

£1,039

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 2/10

15:02-14:40

2 stops18h 38m

London Gatwick

Sun 11/10

14:00-09:33

1 stop24h 33m

£1,067

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 11/7

10:43-10:00

1 stop18h 17m

London Gatwick

Sat 18/7

20:10-10:56

2 stops43h 46m

£1,086

Fastest return journey

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 2/10

17:29-09:35

1 stop11h 06m

London Heathrow

Sun 11/10

09:50-18:35

2 stops13h 45m

£1,112

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 11/7

10:43-10:00

1 stop18h 17m

London Gatwick

Sat 18/7

21:15-10:56

2 stops42h 41m

£1,118

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 2/10

07:00-07:10

1 stop19h 10m

London Heathrow

Sun 11/10

20:10-10:56

1 stop19h 46m

£1,139

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 11/7

09:00-11:45

2 stops21h 45m

London Gatwick

Sat 18/7

09:45-20:59

3 stops40h 14m

£1,157

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sat 11/7

13:45-20:20

2 stops25h 35m

London Heathrow

Sat 18/7

08:50-10:41

2 stops30h 51m

£1,162

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 39% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 14 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	14h 54m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 14h 54m

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

Frequently asked questions about flying from Islip, New York to the United Kingdom

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.