Find Deals on Flights from London to Islip Long Island (LON - ISP)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Islip Long Island

(Round-trip)
Depart: Wed Mar 16 2016 Return: Mon Mar 21 2016 Trip spans 6 days
American Airlines
American Airlines
LHR
ISP
12h 43m
1 stop
ISP
LHR
10h 46m
1 stop
Depart: Thu Feb 18 2016 Return: Tue Apr 12 2016 Trip spans 54 days
American Airlines
American Airlines
LHR
ISP
11h 09m
1 stop
ISP
LHR
9h 35m
1 stop
Depart: Tue Jun 14 2016 Return: Wed Jun 29 2016 Trip spans 16 days
American Airlines
American Airlines
LHR
ISP
13h 29m
1 stop
ISP
LHR
11h 42m
1 stop
Depart: Mon May 23 2016 Return: Mon Jun 20 2016 Trip spans 29 days
$1004
Select
American Airlines
American Airlines
LHR
ISP
13h 29m
1 stop
ISP
LHR
11h 42m
1 stop
Depart: Thu Apr 14 2016 Return: Tue Apr 19 2016 Trip spans 6 days
$1009
Select
American Airlines
American Airlines
LHR
ISP
10h 29m
1 stop
ISP
LHR
9h 35m
1 stop
Depart: Mon Mar 21 2016 Return: Mon Mar 28 2016 Trip spans 8 days
$1013
Select
American Airlines
American Airlines
LHR
ISP
15h 04m
1 stop
ISP
LHR
9h 21m
1 stop
Depart: Thu May 5 2016 Return: Mon May 16 2016 Trip spans 12 days
$1016
Select
American Airlines
American Airlines
LHR
ISP
13h 29m
1 stop
ISP
LHR
11h 42m
1 stop
Depart: Wed Jul 27 2016 Return: Mon Aug 8 2016 Trip spans 13 days
$1606
Select
American Airlines
American Airlines
LHR
ISP
16h 09m
1 stop
ISP
LHR
11h 42m
1 stop
Depart: Thu Aug 11 2016 Return: Tue Aug 16 2016 Trip spans 6 days
$1606
Select
American Airlines
American Airlines
LHR
ISP
16h 09m
1 stop
ISP
LHR
11h 42m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we don't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find on occasion that certain prices are no longer available.

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Airports
Origin

London
$812
Destination

Islip
$812