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.

£672 Cheap Flights from Islip to the United Kingdom in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

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.

18:02 - 10:45

ISP

LGW

35h 43m

2 stops

14:00 - 10:03

LGW

ISP

25h 03m

1 stop

£672Multiple Airlines

Tue, 2 Jun - Tue, 9 Jun

18:02 - 10:00

ISP

LGW

34h 58m

1 stop

14:00 - 10:03

LGW

ISP

25h 03m

1 stop

£687Multiple Airlines

Tue, 2 Jun - Tue, 9 Jun

11:00 - 10:00

ISP

LGW

18h 00m

1 stop

14:00 - 10:03

LGW

ISP

25h 03m

1 stop

£742Multiple Airlines

Wed, 3 Jun - Wed, 10 Jun

11:00 - 10:00

ISP

LGW

18h 00m

1 stop

14:00 - 15:56

LGW

ISP

30h 56m

1 stop

£743Multiple Airlines

Fri, 5 Jun - Mon, 8 Jun

11:00 - 10:00

ISP

LGW

18h 00m

1 stop

14:00 - 10:05

LGW

ISP

25h 05m

1 stop

£755Multiple Airlines

Fri, 8 May - Fri, 15 May

11:00 - 07:55

ISP

LGW

39h 55m

2 stops

14:00 - 10:03

LGW

ISP

25h 03m

1 stop

£757Multiple Airlines

Wed, 3 Jun - Wed, 10 Jun

11:00 - 10:00

ISP

LGW

18h 00m

1 stop

14:00 - 10:05

LGW

ISP

25h 05m

1 stop

£766Multiple Airlines

Sun, 31 May - Sun, 7 Jun

11:00 - 10:00

ISP

LGW

18h 00m

1 stop

14:00 - 13:28

LGW

ISP

28h 28m

2 stops

£799Multiple Airlines

Sun, 31 May - Sun, 7 Jun

20:59 - 09:30

ISP

LHR

55h 31m

2 stops

08:15 - 17:44

LHR

ISP

38h 29m

2 stops

£962JetBlue

Fri, 8 May - Fri, 15 May

12:25 - 20:45

ISP

LHR

27h 20m

2 stops

08:40 - 11:35

LHR

ISP

55h 55m

2 stops

£1,038JetBlue

Fri, 5 Jun - Mon, 8 Jun

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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 May

ISP20:59Islip Long Island

55h 31m

2 stops

LHR09:30London Heathrow

15 May

LHR08:15London Heathrow

38h 29m

2 stops

ISP17:44Islip Long Island

£962

JetBlue

5 Jun

ISP12:25Islip Long Island

27h 20m

2 stops

LHR20:45London Heathrow

8 Jun

LHR08:40London Heathrow

55h 55m

2 stops

ISP11:35Islip Long Island

£1,038

JetBlue

22 Apr

ISP17:25Islip Long Island

22h 20m

2 stops

LHR20:45London Heathrow

29 Apr

LHR08:15London Heathrow

37h 15m

2 stops

ISP16:30Islip Long Island

£1,044

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

Tue 2/6

18:02-10:45

2 stops35h 43m

London Gatwick

Tue 9/6

14:00-10:03

1 stop25h 03m

£672

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Tue 2/6

18:02-10:00

1 stop34h 58m

London Gatwick

Tue 9/6

14:00-10:03

1 stop25h 03m

£687

Fastest return journey

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 3/6

11:00-10:00

1 stop18h 00m

London Gatwick

Wed 10/6

14:00-10:03

1 stop25h 03m

£742

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 5/6

11:00-10:00

1 stop18h 00m

London Gatwick

Mon 8/6

14:00-15:56

1 stop30h 56m

£743

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 8/5

11:00-10:00

1 stop18h 00m

London Gatwick

Fri 15/5

14:00-10:05

1 stop25h 05m

£754

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 3/6

11:00-07:55

2 stops39h 55m

London Gatwick

Wed 10/6

14:00-10:03

1 stop25h 03m

£757

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 31/5

11:00-10:00

1 stop18h 00m

London Gatwick

Sun 7/6

14:00-10:05

1 stop25h 05m

£766

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 31/5

11:00-10:00

1 stop18h 00m

London Gatwick

Sun 7/6

14:00-13:28

2 stops28h 28m

£799

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 8/5

20:59-09:30

2 stops55h 31m

London Heathrow

Fri 15/5

08:15-17:44

2 stops38h 29m

£962

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 5/6

12:25-20:45

2 stops27h 20m

London Heathrow

Mon 8/6

08:40-11:35

2 stops55h 55m

£1,038

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 40% 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	17h 10m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 17h 10m

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.