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Find flight deals from United Kingdom to Islip Long Island

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Islip Long Island

(Round-trip)
Depart: Thu 26 Feb 2015 Return: Tue 3 Mar 2015 Trip spans 6 days
US Airways
US Airways
LHR
01:55
ISP
21:17
19h 22m
2 stops
ISP
06:40
LHR
23:25
16h 45m
1 stop
Depart: Mon 9 Mar 2015 Return: Mon 16 Mar 2015 Trip spans 8 days
US Airways
US Airways
MAN
05:45
ISP
21:22
15h 37m
1 stop
ISP
10:47
MAN
06:10
19h 23m
2 stops
Depart: Tue 13 Jan 2015 Return: Wed 21 Jan 2015 Trip spans 9 days
US Airways
US Airways
LGW
02:50
ISP
21:17
18h 27m
2 stops
ISP
09:50
LGW
04:50
19h 00m
2 stops
Depart: Thu 15 Jan 2015 Return: Wed 21 Jan 2015 Trip spans 7 days
US Airways
US Airways
LGW
02:50
ISP
21:17
18h 27m
2 stops
ISP
09:50
LGW
08:50
23h 00m
2 stops
Depart: Wed 4 Mar 2015 Return: Wed 11 Mar 2015 Trip spans 7 days
US Airways
US Airways
LHR
01:30
ISP
21:17
19h 47m
2 stops
ISP
07:40
LHR
01:25
17h 45m
1 stop
Depart: Thu 5 Mar 2015 Return: Wed 11 Mar 2015 Trip spans 6 days
US Airways
US Airways
LHR
01:55
ISP
21:22
19h 27m
2 stops
ISP
07:40
LHR
01:25
17h 45m
1 stop
Depart: Thu 12 Feb 2015 Return: Thu 19 Feb 2015 Trip spans 8 days
US Airways
US Airways
LHR
07:05
ISP
21:17
14h 12m
1 stop
ISP
09:47
LHR
23:25
13h 38m
1 stop
Depart: Mon 12 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 8 days
US Airways
US Airways
LHR
07:05
ISP
21:17
14h 12m
1 stop
ISP
07:19
LHR
23:25
16h 06m
1 stop
Depart: Wed 14 Jan 2015 Return: Mon 19 Jan 2015 Trip spans 6 days
US Airways
US Airways
LHR
07:05
ISP
21:17
14h 12m
1 stop
ISP
07:19
LHR
23:25
16h 06m
1 stop
Depart: Tue 10 Mar 2015 Return: Mon 16 Mar 2015 Trip spans 7 days
US Airways
US Airways
LHR
03:10
ISP
21:22
18h 12m
2 stops
ISP
10:47
LHR
01:25
14h 38m
1 stop
Depart: Sun 22 Mar 2015 Return: Sun 19 Apr 2015 Trip spans 29 days
US Airways
US Airways
MAN
11:00
ISP
14:27
51h 27m
2 stops
ISP
09:53
MAN
04:00
42h 07m
2 stops
Depart: Sun 11 Jan 2015 Return: Wed 21 Jan 2015 Trip spans 11 days
US Airways
US Airways
LGW
02:50
ISP
21:17
18h 27m
2 stops
ISP
09:50
LGW
08:50
23h 00m
2 stops
Depart: Fri 6 Feb 2015 Return: Mon 9 Feb 2015 Trip spans 4 days
US Airways
US Airways
LHR
01:30
ISP
10:28
32h 58m
2 stops
ISP
09:50
LHR
09:45
23h 55m
2 stops
Depart: Sat 7 Feb 2015 Return: Wed 18 Mar 2015 Trip spans 39 days
US Airways
US Airways
LHR
01:30
ISP
11:19
33h 49m
2 stops
ISP
10:47
LHR
01:25
14h 38m
1 stop
Depart: Fri 6 Mar 2015 Return: Wed 11 Mar 2015 Trip spans 5 days
US Airways
US Airways
LHR
01:55
ISP
21:22
19h 27m
2 stops
ISP
07:40
LHR
01:25
17h 45m
1 stop
Depart: Sat 7 Mar 2015 Return: Wed 11 Mar 2015 Trip spans 4 days
US Airways
US Airways
LHR
01:55
ISP
21:22
19h 27m
2 stops
ISP
07:40
LHR
01:25
17h 45m
1 stop
Depart: Sun 8 Mar 2015 Return: Mon 16 Mar 2015 Trip spans 9 days
US Airways
US Airways
LHR
03:25
ISP
21:22
17h 57m
2 stops
ISP
10:47
LHR
01:25
14h 38m
1 stop
Depart: Mon 16 Mar 2015 Return: Mon 23 Mar 2015 Trip spans 8 days
US Airways
US Airways
MAN
05:45
ISP
14:27
32h 42m
1 stop
ISP
10:47
MAN
05:00
18h 13m
2 stops
Depart: Thu 12 Mar 2015 Return: Sun 15 Mar 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
BHX
02:05
ISP
14:27
36h 22m
2 stops
ISP
03:40
BHX
13:55
34h 15m
2 stops
Depart: Sat 21 Feb 2015 Return: Fri 27 Feb 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
LHR
12:05
ISP
14:27
26h 22m
1 stop
ISP
09:47
LHR
20:40
10h 53m
1 stop
Change your search
Airports
Origin

London
only £472
only £519
Manchester
£507
Birmingham
£647
Destination

Islip
£472
Airlines