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.

£416 Cheap Flights from Islip, New York to the United Kingdom in 2026

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

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:52 - 10:00

ISP

LGW

31h 08m

1 stop

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£675Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

21:52 - 10:00

ISP

LGW

31h 08m

1 stop

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£680Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

21:52 - 10:00

ISP

LGW

31h 08m

1 stop

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£727Multiple Airlines

Wed, 17 Jun - Tue, 23 Jun

11:57 - 10:00

ISP

LGW

17h 03m

2 stops

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£735Multiple Airlines

Wed, 17 Jun - Tue, 23 Jun

11:57 - 10:00

ISP

LGW

17h 03m

2 stops

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£756Multiple Airlines

Wed, 17 Jun - Tue, 23 Jun

10:48 - 10:00

ISP

LGW

18h 12m

1 stop

14:00 - 16:47

LGW

ISP

31h 47m

2 stops

£762Multiple Airlines

Wed, 8 Jul - Mon, 13 Jul

21:52 - 10:00

ISP

LGW

31h 08m

1 stop

14:00 - 20:57

LGW

ISP

35h 57m

1 stop

£788Multiple Airlines

Thu, 18 Jun - Wed, 24 Jun

10:48 - 10:00

ISP

LGW

18h 12m

1 stop

14:00 - 15:56

LGW

ISP

30h 56m

1 stop

£795Multiple Airlines

Wed, 8 Jul - Mon, 13 Jul

15:07 - 20:45

ISP

LHR

48h 38m

2 stops

08:40 - 23:17

LHR

ISP

19h 37m

2 stops

£1,144JetBlue

Wed, 8 Jul - Mon, 13 Jul

16:40 - 09:30

ISP

LHR

35h 50m

2 stops

08:15 - 14:11

LHR

ISP

34h 56m

2 stops

£1,299JetBlue

Mon, 29 Jun - Sun, 5 Jul

JetBlue flights from Islip, New York to United Kingdom

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

JetBlue

8 Jul

ISP15:07Islip Long Island

37h 28m

2 stops

LGW09:35London Gatwick

13 Jul

LGW12:20London Gatwick

39h 36m

2 stops

ISP22:56Islip Long Island

£1,095

JetBlue

8 Jul

ISP15:07Islip Long Island

48h 38m

2 stops

LHR20:45London Heathrow

13 Jul

LHR08:40London Heathrow

19h 37m

2 stops

ISP23:17Islip Long Island

£1,144

JetBlue

22 May

ISP12:25Islip Long Island

40h 05m

2 stops

LHR09:30London Heathrow

29 May

LHR08:15London Heathrow

33h 17m

2 stops

ISP12:32Islip Long Island

£1,298

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

Thu 11/6

21:52-10:00

1 stop31h 08m

London Gatwick

Wed 17/6

14:00-20:57

1 stop35h 57m

£675

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Thu 11/6

21:52-10:00

1 stop31h 08m

London Gatwick

Wed 17/6

14:00-20:57

1 stop35h 57m

£680

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 17/6

21:52-10:00

1 stop31h 08m

London Gatwick

Tue 23/6

14:00-20:57

1 stop35h 57m

£727

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 17/6

11:57-10:00

2 stops17h 03m

London Gatwick

Tue 23/6

14:00-20:57

1 stop35h 57m

£735

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 17/6

11:57-10:00

2 stops17h 03m

London Gatwick

Tue 23/6

14:00-20:57

1 stop35h 57m

£756

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 8/7

10:48-10:00

1 stop18h 12m

London Gatwick

Mon 13/7

14:00-16:47

2 stops31h 47m

£762

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Thu 18/6

21:52-10:00

1 stop31h 08m

London Gatwick

Wed 24/6

14:00-20:57

1 stop35h 57m

£788

Fastest return journey

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 8/7

10:48-10:00

1 stop18h 12m

London Gatwick

Mon 13/7

14:00-15:56

1 stop30h 56m

£795

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 8/7

15:07-20:45

2 stops48h 38m

London Heathrow

Mon 13/7

08:40-23:17

2 stops19h 37m

£1,144

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Mon 29/6

16:40-09:30

2 stops35h 50m

London Heathrow

Sun 5/7

08:15-14:11

2 stops34h 56m

£1,299

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

What is the cheapest airline that flies from Islip Long Island to United Kingdom?

JetBlue is the most popular carrier operating from Islip Long Island to United Kingdom

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	11h 59m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 11h 59m

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.