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.

£487 Cheap Flights from Islip, New York to the United Kingdom in 2026

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

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:57 - 10:00

ISP

LGW

18h 03m

1 stop

14:00 - 16:58

LGW

ISP

31h 58m

1 stop

£557Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

17:43 - 10:00

ISP

LGW

35h 17m

1 stop

14:00 - 16:58

LGW

ISP

31h 58m

1 stop

£573Multiple Airlines

Fri, 11 Sep - Fri, 18 Sep

10:57 - 10:00

ISP

LGW

18h 03m

1 stop

14:00 - 12:58

LGW

ISP

27h 58m

2 stops

£580Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

19:09 - 10:00

ISP

LGW

33h 51m

1 stop

14:00 - 18:14

LGW

ISP

33h 14m

1 stop

£617Multiple Airlines

Sat, 29 Aug - Sat, 5 Sep

11:52 - 10:00

ISP

LGW

17h 08m

2 stops

14:00 - 16:58

LGW

ISP

31h 58m

1 stop

£620Multiple Airlines

Fri, 11 Sep - Fri, 18 Sep

19:09 - 10:00

ISP

LGW

33h 51m

1 stop

14:00 - 11:20

LGW

ISP

50h 20m

2 stops

£620Multiple Airlines

Sun, 6 Sep - Sun, 13 Sep

19:09 - 10:00

ISP

LGW

33h 51m

1 stop

14:00 - 09:33

LGW

ISP

24h 33m

1 stop

£639Multiple Airlines

Sun, 6 Sep - Sun, 13 Sep

11:57 - 10:00

ISP

LGW

17h 03m

2 stops

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£694Multiple Airlines

Sat, 29 Aug - Sat, 5 Sep

12:50 - 11:55

ISP

LHR

18h 05m

2 stops

13:05 - 22:35

LHR

ISP

14h 30m

2 stops

£742Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

09:40 - 11:55

ISP

LHR

21h 15m

2 stops

21:25 - 22:35

LHR

ISP

30h 10m

2 stops

£763Multiple Airlines

Wed, 7 Oct - Mon, 12 Oct

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JetBlue flights from Islip, New York to United Kingdom

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

JetBlue

8 Sept

ISP06:00Islip Long Island

22h 30m

2 stops

LHR09:30London Heathrow

15 Sept

LHR08:15London Heathrow

36h 21m

2 stops

ISP15:36Islip Long Island

£788

JetBlue

20 Aug

ISP09:55Islip Long Island

18h 25m

2 stops

EDI09:20Edinburgh Turnhouse

24 Aug

EDI12:10Edinburgh Turnhouse

36h 23m

2 stops

ISP19:33Islip Long Island

£892

JetBlue

16 Sept

ISP07:00Islip Long Island

21h 20m

2 stops

EDI09:20Edinburgh Turnhouse

22 Sept

EDI12:10Edinburgh Turnhouse

56h 26m

2 stops

ISP15:36Islip Long Island

£912

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 - LGW

ISPLGW

Islip Long Island

Mon 7/9

10:57-10:00

1 stop18h 03m

London Gatwick

Mon 14/9

14:00-16:58

1 stop31h 58m

£557

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 11/9

17:43-10:00

1 stop35h 17m

London Gatwick

Fri 18/9

14:00-16:58

1 stop31h 58m

£573

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Mon 7/9

10:57-10:00

1 stop18h 03m

London Gatwick

Mon 14/9

14:00-12:58

2 stops27h 58m

£580

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 29/8

19:09-10:00

1 stop33h 51m

London Gatwick

Sat 5/9

14:00-18:14

1 stop33h 14m

£617

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 11/9

11:52-10:00

2 stops17h 08m

London Gatwick

Fri 18/9

14:00-16:58

1 stop31h 58m

£620

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 6/9

19:09-10:00

1 stop33h 51m

London Gatwick

Sun 13/9

14:00-11:20

2 stops50h 20m

£620

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 6/9

19:09-10:00

1 stop33h 51m

London Gatwick

Sun 13/9

14:00-09:33

1 stop24h 33m

£639

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sat 29/8

11:57-10:00

2 stops17h 03m

London Gatwick

Sat 5/9

14:00-09:53

1 stop24h 53m

£694

Fastest return journey

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 7/10

12:50-11:55

2 stops18h 05m

London Heathrow

Wed 14/10

13:05-22:35

2 stops14h 30m

£742

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 7/10

09:40-11:55

2 stops21h 15m

London Heathrow

Mon 12/10

21:25-22:35

2 stops30h 10m

£763

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 37% 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	12h 24m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 12h 24m

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.