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.

£594 Cheap Flights from Islip 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

Cheap return flights

Enter your travel dates to find the best prices.

11:50 - 10:00

ISP

LGW

41h 10m

2 stops

14:00 - 09:13

LGW

ISP

24h 13m

1 stop

£594Multiple Airlines

Sat, 25 Apr - Sat, 2 May

16:30 - 11:55

ISP

LHR

14h 25m

2 stops

21:25 - 22:10

LHR

ISP

29h 45m

2 stops

£741Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

16:30 - 14:40

ISP

LGW

17h 10m

2 stops

15:40 - 22:10

LGW

ISP

35h 30m

2 stops

£754Multiple Airlines

Mon, 27 Apr - Mon, 11 May

16:05 - 11:55

ISP

LHR

14h 50m

2 stops

13:05 - 22:10

LHR

ISP

14h 05m

2 stops

£760Multiple Airlines

Tue, 7 Apr - Tue, 14 Apr

16:30 - 14:40

ISP

LGW

17h 10m

2 stops

15:40 - 23:30

LGW

ISP

36h 50m

2 stops

£805Multiple Airlines

Fri, 24 Apr - Wed, 29 Apr

12:30 - 11:55

ISP

LHR

18h 25m

2 stops

21:25 - 23:30

LHR

ISP

31h 05m

2 stops

£806Multiple Airlines

Fri, 24 Apr - Wed, 29 Apr

16:30 - 11:55

ISP

LHR

14h 25m

2 stops

13:05 - 23:30

LHR

ISP

15h 25m

2 stops

£810Multiple Airlines

Mon, 27 Apr - Mon, 11 May

20:36 - 10:00

ISP

LGW

32h 24m

1 stop

13:05 - 09:13

LGW

ISP

25h 08m

2 stops

£988Multiple Airlines

Thu, 9 Apr - Thu, 16 Apr

09:59 - 06:45

ISP

LHR

15h 46m

1 stop

09:40 - 16:10

LHR

ISP

11h 30m

1 stop

£1,027Multiple Airlines

Sat, 25 Apr - Sat, 2 May

09:59 - 08:50

ISP

LHR

17h 51m

2 stops

09:40 - 16:10

LHR

ISP

11h 30m

1 stop

£1,030Multiple Airlines

Sat, 25 Apr - Sat, 2 May

JetBlue flights from Islip, New York to United Kingdom

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

JetBlue

4 Jul

ISP14:24Islip Long Island

35h 06m

2 stops

LHR06:30London Heathrow

11 Jul

LHR08:40London Heathrow

19h 46m

2 stops

ISP23:26Islip Long Island

£1,188

JetBlue

9 Apr

ISP07:00Islip Long Island

18h 30m

2 stops

LHR06:30London Heathrow

16 Apr

LHR08:40London Heathrow

16h 29m

2 stops

ISP20:09Islip Long Island

£1,324

JetBlue

1 Jul

ISP16:40Islip Long Island

32h 50m

2 stops

LHR06:30London Heathrow

11 Jul

LHR08:15London Heathrow

34h 56m

2 stops

ISP14:11Islip Long Island

£1,365

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

Sat 25/4

11:50-10:00

2 stops41h 10m

London Gatwick

Sat 2/5

14:00-09:13

1 stop24h 13m

£594

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Mon 13/4

16:30-11:55

2 stops14h 25m

London Heathrow

Mon 20/4

21:25-22:10

2 stops29h 45m

£741

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Mon 27/4

16:30-14:40

2 stops17h 10m

London Gatwick

Mon 11/5

15:40-22:10

2 stops35h 30m

£754

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Tue 7/4

16:05-11:55

2 stops14h 50m

London Heathrow

Tue 14/4

13:05-22:10

2 stops14h 05m

£760

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Fri 24/4

16:30-14:40

2 stops17h 10m

London Gatwick

Wed 29/4

15:40-23:30

2 stops36h 50m

£805

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Fri 24/4

12:30-11:55

2 stops18h 25m

London Heathrow

Wed 29/4

21:25-23:30

2 stops31h 05m

£806

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Mon 27/4

16:30-11:55

2 stops14h 25m

London Heathrow

Mon 11/5

13:05-23:30

2 stops15h 25m

£810

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Thu 9/4

20:36-10:00

1 stop32h 24m

London Gatwick

Thu 16/4

13:05-09:13

2 stops25h 08m

£988

Fastest return journey

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sat 25/4

09:59-06:45

1 stop15h 46m

London Heathrow

Sat 2/5

09:40-16:10

1 stop11h 30m

£1,027

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sat 25/4

09:59-08:50

2 stops17h 51m

London Heathrow

Sat 2/5

09:40-16:10

1 stop11h 30m

£1,030

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 41% 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	13h 00m
Direct flights	None

The fastest flight from Islip, New York to United Kingdom takes 13h 00m

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.