How long does it take to fly to Islip, New York?

The average flight duration from United Kingdom to Islip, New York depends on which airport you fly into and out of. Flying from Edinburgh to New York John F Kennedy Intl Airport is 7h 37m on average, while flying from Manchester to New York John F Kennedy Intl Airport is 7h 45m on average. New York John F Kennedy Intl Airport is the most popular airport in Islip, New York.

When did momondo last update prices for flights from United Kingdom to Islip Long Island Airport?

Prices for flights from United Kingdom to Islip Long Island Airport are updated daily.

How old do you have to be to fly from United Kingdom to Islip Long Island Airport?

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 United Kingdom to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents required for your trip to Islip Long Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Islip Long Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£1,006 Cheap Flights from the United Kingdom to Islip, New York in 2026

Find the cheapest flights from the United Kingdom to New York

Return

One-way

Recent return flight deals from the United Kingdom to New York

Enter your travel dates to find the best prices.

13:05 - 10:56LHR London Heathrow-ISP Islip Long Island

26h 51m2 stops Reykjavik Keflavik Intl Boston Logan Intl

14:16 - 21:00ISP Islip Long Island-LHR London Heathrow

25h 44m2 stops Boston Logan Intl Halifax Intl

£1,190Multiple Airlines

Tue, 1 Sep - Thu, 24 Sep

08:40 - 17:41LHR London Heathrow-ISP Islip Long Island

14h 01m1 stop Boston Logan Intl

12:30 - 06:30ISP Islip Long Island-LHR London Heathrow

13h 00m1 stop Boston Logan Intl

£1,716Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

19:50 - 18:35LHR London Heathrow-ISP Islip Long Island

27h 45m2 stops Lisbon Humberto Delgado Boston Logan Intl

09:05 - 06:30ISP Islip Long Island-LHR London Heathrow

16h 25m1 stop Boston Logan Intl

£1,721Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

19:50 - 17:41LHR London Heathrow-ISP Islip Long Island

26h 51m2 stops Lisbon Humberto Delgado Boston Logan Intl

10:05 - 06:30ISP Islip Long Island-LHR London Heathrow

15h 25m1 stop Boston Logan Intl

£1,738Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

08:40 - 18:35LHR London Heathrow-ISP Islip Long Island

14h 55m1 stop Boston Logan Intl

09:05 - 06:30ISP Islip Long Island-LHR London Heathrow

16h 25m1 stop Boston Logan Intl

£1,777Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

09:50 - 20:15LHR London Heathrow-ISP Islip Long Island

15h 25m2 stops Dublin Boston Logan Intl

10:05 - 08:05ISP Islip Long Island-LHR London Heathrow

17h 00m2 stops Boston Logan Intl Dublin

£3,328Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

09:50 - 18:35LHR London Heathrow-ISP Islip Long Island

13h 45m2 stops Dublin Boston Logan Intl

09:05 - 06:25ISP Islip Long Island-LHR London Heathrow

16h 20m2 stops Boston Logan Intl New York John F Kennedy Intl

£5,567Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

14:25 - 20:15LHR London Heathrow-ISP Islip Long Island

10h 50m1 stop Boston Logan Intl

10:05 - 07:10ISP Islip Long Island-LHR London Heathrow

16h 05m1 stop Boston Logan Intl

£5,657Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

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Use the filters below to find and compare flights from the United Kingdom to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Tue 1/9

13:05-10:56

2 stops26h 51m

Islip Long Island

Thu 24/9

14:16-21:00

2 stops25h 44m

£1,190

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Tue 6/10

08:40-17:41

1 stop14h 01m

Islip Long Island

Tue 13/10

12:30-06:30

1 stop13h 00m

£1,716

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Sat 3/10

19:50-18:35

2 stops27h 45m

Islip Long Island

Sat 10/10

09:05-06:30

1 stop16h 25m

£1,720

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Tue 8/9

19:50-17:41

2 stops26h 51m

Islip Long Island

Tue 15/9

10:05-06:30

1 stop15h 25m

£1,738

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Sat 3/10

08:40-18:35

1 stop14h 55m

Islip Long Island

Sat 10/10

09:05-06:30

1 stop16h 25m

£1,777

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Tue 8/9

09:50-20:15

2 stops15h 25m

Islip Long Island

Tue 15/9

10:05-08:05

2 stops17h 00m

£3,328

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Sat 3/10

09:50-18:35

2 stops13h 45m

Islip Long Island

Sat 10/10

09:05-06:25

2 stops16h 20m

£5,567

Fastest return journey

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Tue 8/9

14:25-20:15

1 stop10h 50m

Islip Long Island

Tue 15/9

10:05-07:10

1 stop16h 05m

£5,657

Cheapest one-way

Fastest single journey

LondonIslip

LHR London Heathrow - ISP Islip Long Island

LHRISP

London Heathrow

Mon 5/10

21:25-22:35

2 stops30h 10m

£1,006

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from United Kingdom to Islip, New York

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

Airlines

Other information

Which airlines fly to Islip, New York?

Virgin Atlantic, British Airways and Aer Lingus are the top three most popular airlines that fly to Islip, New York from United Kingdom 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 Islip, New York. Keep in mind that there are 25 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap United Kingdom to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Islip, New York

Best price found	£1,006
Fastest flight time	26h 51m
Direct flights	None

The best one-way flight to Islip, New York from United Kingdom in the past 72 hours is £1,006. The best return flight deal from United Kingdom to Islip, New York found on momondo in the last 72 hours is £1,190.

The fastest flight from United Kingdom to Islip, New York takes 26h 51m

There are no direct flights from United Kingdom to Islip, New York. There are no popular flight routes from United Kingdom to Islip, New York.

Search flight deals

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

When did momondo last update prices for flights from United Kingdom to Islip Long Island Airport?
Prices for flights from United Kingdom to Islip Long Island Airport are updated daily.
How old do you have to be to fly from United Kingdom to Islip Long Island Airport?
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 United Kingdom to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents required for your trip to Islip Long Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Islip Long Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Riverhead

Montauk

Southampton

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Islip?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United Kingdom to Islip . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United Kingdom to Islip with flexible booking policies on momondo?

All flight searches from United Kingdom to Islip on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from United Kingdom to Islip?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Islip.

I’m not ready to book a flight from United Kingdom to Islip right now. Can momondo alert me if prices change?

If you are not ready to book a flight from United Kingdom to Islip now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Islip and let you know when they change.