What is the cheapest flight from Islip to London?

In the last 3 days, the lowest price for a flight from Islip to London was £563 for a one-way ticket and £888 for a return. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Islip to London?

When flying out of Islip you will be using Islip Long Island. You will be landing at one of these airports: London Gatwick or London Heathrow. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Islip to London?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Islip to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to London. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Islip is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Islip to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Islip with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

What are the most popular airlines flying to London?

The most popular airline among KAYAK users flying to London is Virgin Atlantic, followed by British Airways and United Airlines.

Cheap Flights from Islip to London | KAYAK

ISP - LON

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Cheapest return fare

£888

Multiple Airlines

Sat 18/4Sat 25/4

ISP - LGW • 2 stops

Cheapest one-way flight

£563

Multiple Airlines

Mon 16/3

ISP - LHR • 2 stops

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Flight Deals

Cheap Flights from Islip to London (ISP-LON)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent return flight deals from Islip to London

Sat, 18 Apr - Sat, 25 Apr

11:50 - 14:40

ISP

LGW

21h 50m

2 stops

14:00 - 09:13

LGW

ISP

24h 13m

1 stop

£888Multiple Airlines

Mon, 20 Apr - Mon, 27 Apr

17:15 - 16:55

ISP

LHR

42h 40m

2 stops

19:35 - 16:30

LHR

ISP

49h 55m

2 stops

£971Multiple Airlines

Fri, 3 Apr - Fri, 10 Apr

09:59 - 06:45

ISP

LHR

15h 46m

1 stop

09:40 - 18:44

LHR

ISP

14h 04m

1 stop

£1,012Multiple Airlines

Sat, 18 Apr - Sat, 25 Apr

17:15 - 18:40

ISP

LHR

44h 25m

2 stops

19:10 - 16:29

LHR

ISP

50h 19m

2 stops

£1,107Multiple Airlines

Fri, 3 Apr - Fri, 10 Apr

13:07 - 20:45

ISP

LHR

26h 38m

2 stops

11:55 - 12:10

LHR

ISP

53h 15m

2 stops

£1,136JetBlue

Fri, 3 Jul - Fri, 10 Jul

15:07 - 20:45

ISP

LHR

24h 38m

2 stops

08:15 - 23:17

LHR

ISP

20h 02m

2 stops

£1,279JetBlue

Fri, 3 Apr - Fri, 10 Apr

09:59 - 06:30

ISP

LHR

15h 31m

1 stop

06:00 - 18:44

LHR

ISP

17h 44m

2 stops

£1,290Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

12:30 - 07:10

ISP

LHR

13h 40m

1 stop

10:05 - 19:45

LHR

ISP

14h 40m

1 stop

£1,325Multiple Airlines

Mon, 20 Apr - Mon, 27 Apr

09:59 - 06:45

ISP

LHR

15h 46m

1 stop

09:40 - 18:44

LHR

ISP

14h 04m

1 stop

£1,461Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

09:59 - 06:45

ISP

LHR

15h 46m

1 stop

16:05 - 11:05

LHR

ISP

24h 00m

2 stops

£1,489Multiple Airlines

Booking Insights

Cheapest flight	£563

Flight from Islip to London Heathrow Airport

When to book flights from Islip to London

Are your dates flexible? Find out the best times to travel from Islip to London based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Islip to London?
In the last 3 days, the lowest price for a flight from Islip to London was £563 for a one-way ticket and £888 for a return.
Which airports will I be using when flying from Islip to London?
When flying out of Islip you will be using Islip Long Island. You will be landing at one of these airports: London Gatwick or London Heathrow.
Which aircraft models fly most regularly from Islip to London?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Islip to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Islip is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Islip to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Islip with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Islip to London

Airports

Cabin class

Complete your trip

Direct flights

Flights to other cities

Origins

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Return flight deals

Information on your arrival and departure airports

Islip (ISP)

ISP - LON

£888 Find Cheap Flights from Islip to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Everything you should know

Cheap Flights from Islip to London (ISP-LON)

Recent return flight deals from Islip to London

Recent one-way flight deals from Islip to London

Good to know - Cheap tickets from Islip to London

When to book flights from Islip to London

FAQs for booking flights from Islip to London

What is the cheapest flight from Islip to London?

In the last 3 days, the lowest price for a flight from Islip to London was £563 for a one-way ticket and £888 for a return.

Which airports will I be using when flying from Islip to London?

When flying out of Islip you will be using Islip Long Island. You will be landing at one of these airports: London Gatwick or London Heathrow.

Which aircraft models fly most regularly from Islip to London?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Islip to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Islip is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Islip to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Islip with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Islip to London

Information on your arrival and departure airports

Cabin class types available on flights from Islip to London

Complete your trip to London with a hotel stay or car hire

Find direct flights to and from Islip and London

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London

Find deals for your return flight