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 £228 for a one-way ticket and £1,310 for a return. 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

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

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41 299 237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest return fare

£1,310

Multiple Airlines

Fri 26/12Fri 2/1

ISP - LGW • 1 stop

Cheapest one-way flight

£228

Multiple Airlines

Thu 19/2

ISP - LGW • 1 stop

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to London!

Flight Deals

Cheap Flights from Islip to London (ISP-LON)

Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Islip to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Fri, 26 Dec - Fri, 2 Jan

20:35 - 10:05ISP-LGW

32h 30m1 stop

14:00 - 13:39LGW-ISP

52h 39m2 stops

£1,310Multiple Airlines

Find Deal

Fri, 26 Dec - Fri, 2 Jan

20:35 - 10:05ISP-LGW

32h 30m1 stop

14:00 - 17:55LGW-ISP

32h 55m1 stop

£1,621Multiple Airlines

Find Deal

Sat, 27 Dec - Sat, 3 Jan

18:40 - 06:50ISP-LHR

31h 10m2 stops

10:50 - 13:09LHR-ISP

31h 19m1 stop

£1,662Multiple Airlines

Find Deal

Sat, 27 Dec - Sat, 3 Jan

12:30 - 06:50ISP-LHR

13h 20m1 stop

10:50 - 13:09LHR-ISP

31h 19m1 stop

£1,840Multiple Airlines

Find Deal

Sat, 27 Dec - Sat, 3 Jan

18:40 - 10:00ISP-LGW

34h 20m1 stop

13:10 - 11:05LGW-ISP

26h 55m2 stops

£1,949Multiple Airlines

Find Deal

Sat, 27 Dec - Sat, 3 Jan

18:40 - 10:00ISP-LGW

34h 20m1 stop

13:10 - 11:04LGW-ISP

26h 54m2 stops

£1,956Multiple Airlines

Find Deal

Fri, 26 Dec - Fri, 2 Jan

09:59 - 11:20ISP-LHR

20h 21m2 stops

06:00 - 19:45LHR-ISP

18h 45m2 stops

£1,994Multiple Airlines

Find Deal

Fri, 26 Dec - Fri, 2 Jan

09:59 - 11:20ISP-LHR

20h 21m2 stops

06:50 - 19:45LHR-ISP

17h 55m3 stops

£2,427Multiple Airlines

Find Deal

Sat, 27 Dec - Sat, 3 Jan

12:30 - 15:30ISP-LHR

22h 00m2 stops

09:20 - 16:10LHR-ISP

11h 50m1 stop

£2,721Multiple Airlines

Find Deal

Fri, 26 Dec - Fri, 2 Jan

12:30 - 22:40ISP-LHR

29h 10m2 stops

09:20 - 16:15LHR-ISP

11h 55m1 stop

£2,805Multiple Airlines

Find Deal

Booking Insights

Cheapest flight	£228

Flight from Islip to London Gatwick 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 £228 for a one-way ticket and £1,310 for a return.
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

Other airports

Return flight deals

Information on your arrival and departure airports

Islip (ISP)

ISP - LON

£228 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 £228 for a one-way ticket and £1,310 for a return.

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