Which airlines fly to London?

Virgin Atlantic, British Airways and United Airlines are the top three most popular airlines that fly to London from Islip, New York according to our data. Virgin Atlantic is the first choice among our users, with 38% of people opting to fly with this airline when travelling to London. Keep in mind that there are 13 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London 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.

£726 Cheap Flights from Islip, New York to London in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Islip, New York to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

19:49 - 10:00

ISP

LGW

33h 11m

2 stops

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£726Multiple Airlines

Sun, 9 Aug - Sun, 16 Aug

10:57 - 10:00

ISP

LGW

18h 03m

1 stop

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£731Multiple Airlines

Wed, 19 Aug - Thu, 20 Aug

19:49 - 10:00

ISP

LGW

57h 11m

2 stops

14:00 - 09:53

LGW

ISP

24h 53m

1 stop

£751Multiple Airlines

Sun, 9 Aug - Sun, 16 Aug

06:00 - 09:30

ISP

LHR

22h 30m

2 stops

11:55 - 10:40

LHR

ISP

27h 45m

2 stops

£915JetBlue

Mon, 3 Aug - Tue, 4 Aug

06:00 - 06:30

ISP

LHR

43h 30m

2 stops

08:40 - 12:38

LHR

ISP

56h 58m

2 stops

£926JetBlue

Sun, 26 Jul - Sun, 2 Aug

11:31 - 09:30

ISP

LHR

16h 59m

2 stops

11:55 - 21:44

LHR

ISP

38h 49m

2 stops

£955JetBlue

Mon, 3 Aug - Tue, 4 Aug

06:00 - 09:35

ISP

LGW

22h 35m

2 stops

12:20 - 10:43

LGW

ISP

27h 23m

2 stops

£1,016JetBlue

Wed, 19 Aug - Thu, 20 Aug

06:00 - 09:30

ISP

LHR

22h 30m

2 stops

11:55 - 00:07

LHR

ISP

41h 12m

2 stops

£1,039JetBlue

Wed, 19 Aug - Thu, 20 Aug

11:24 - 17:20

ISP

LHR

24h 56m

2 stops

08:50 - 10:43

LHR

ISP

30h 53m

2 stops

£1,079Multiple Airlines

Sun, 9 Aug - Sun, 16 Aug

17:29 - 14:20

ISP

LHR

15h 51m

2 stops

10:05 - 20:59

LHR

ISP

15h 54m

1 stop

£1,281Multiple Airlines

Sun, 9 Aug - Sun, 16 Aug

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JetBlue flights from Islip, New York to London

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

JetBlue

3 Aug

ISP06:00Islip Long Island

22h 30m

2 stops

LHR09:30London Heathrow

4 Aug

LHR11:55London Heathrow

27h 45m

2 stops

ISP10:40Islip Long Island

£915

JetBlue

26 Jul

ISP06:00Islip Long Island

43h 30m

2 stops

LHR06:30London Heathrow

2 Aug

LHR08:40London Heathrow

56h 58m

2 stops

ISP12:38Islip Long Island

£926

JetBlue

3 Aug

ISP11:31Islip Long Island

16h 59m

2 stops

LHR09:30London Heathrow

4 Aug

LHR11:55London Heathrow

38h 49m

2 stops

ISP21:44Islip Long Island

£955

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 9/8

19:49-10:00

2 stops33h 11m

London Gatwick

Sun 16/8

14:00-09:53

1 stop24h 53m

£726

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 19/8

10:57-10:00

1 stop18h 03m

London Gatwick

Thu 20/8

14:00-09:53

1 stop24h 53m

£731

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Sun 9/8

19:49-10:00

2 stops57h 11m

London Gatwick

Sun 16/8

14:00-09:53

1 stop24h 53m

£751

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Mon 3/8

06:00-09:30

2 stops22h 30m

London Heathrow

Tue 4/8

11:55-10:40

2 stops27h 45m

£915

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sun 26/7

06:00-06:30

2 stops43h 30m

London Heathrow

Sun 2/8

08:40-12:38

2 stops56h 58m

£926

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Mon 3/8

11:31-09:30

2 stops16h 59m

London Heathrow

Tue 4/8

11:55-21:44

2 stops38h 49m

£955

IslipLondon

ISP - LGW

ISPLGW

Islip Long Island

Wed 19/8

06:00-09:35

2 stops22h 35m

London Gatwick

Thu 20/8

12:20-10:43

2 stops27h 23m

£1,016

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Wed 19/8

06:00-09:30

2 stops22h 30m

London Heathrow

Thu 20/8

11:55-00:07

2 stops41h 12m

£1,039

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sun 9/8

11:24-17:20

2 stops24h 56m

London Heathrow

Sun 16/8

08:50-10:43

2 stops30h 53m

£1,079

Fastest return journey

IslipLondon

ISP - LHR

ISPLHR

Islip Long Island

Sun 9/8

17:29-14:20

2 stops15h 51m

London Heathrow

Sun 16/8

10:05-20:59

1 stop15h 54m

£1,281

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

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

Prices

Airlines

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £406. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Islip, New York to London for around £494.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £412. Flights in the evening are often more expensive, with an average ticket price of £460.

When to book flights from Islip, New York to London

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Islip, New York to London (ISP to LON) flight deals and tips

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

Fastest flight time	16h 59m
Direct flights	None

The fastest flight from Islip, New York to London takes 16h 59m

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

Search flight deals

Frequently asked questions about flying from Islip, New York to London

How far is Islip Long Island to London by plane?
The straight-line distance from Islip Long Island to London is 3425.8 mi. 16h 59m is a normal flight duration for this route.
When did momondo last update prices for flights from Islip Long Island Airport to London?
Prices for flights from Islip Long Island Airport to London are updated daily.
How old do you have to be to fly from Islip Long Island Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London 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.

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Hastings

Bedford

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Harlow

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Why use momondo?

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

It is quick and easy to find Islip to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from Islip with this policy.

How can momondo help me find flights from Islip to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Islip.

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

Yes momondo offers price alerts on flights to London from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Islip, New York to London from £726

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to London departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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JetBlue flights from Islip, New York to London

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

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

What is the cheapest day to depart on your flight to London?

What is the cheapest time of day to depart on your flight to London?

Which airlines fly to London?

When to book flights from Islip, New York to London

Cheap Islip, New York to London (ISP to LON) flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Islip, New York to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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