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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: Wed 10 Jun 2015 Return: Tue 23 Jun 2015 Trip spans 14 days
£597
Select
US Airways
US Airways
LHR
03:30
ISP
19:15
15h 45m
2 stops
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Wed 6 May 2015 Return: Tue 9 Jun 2015 Trip spans 35 days
£605
Select
US Airways
US Airways
LHR
04:20
ISP
15:27
11h 07m
1 stop
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Thu 7 May 2015 Return: Tue 9 Jun 2015 Trip spans 34 days
£605
Select
US Airways
US Airways
LHR
04:20
ISP
15:20
11h 00m
1 stop
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Mon 18 May 2015 Return: Tue 16 Jun 2015 Trip spans 30 days
£605
Select
US Airways
US Airways
LHR
04:20
ISP
15:20
11h 00m
1 stop
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Wed 27 May 2015 Return: Tue 2 Jun 2015 Trip spans 7 days
£606
Select
US Airways
US Airways
LHR
04:20
ISP
15:20
11h 00m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Tue 5 May 2015 Return: Thu 4 Jun 2015 Trip spans 31 days
£611
Select
American Airlines
American Airlines
LHR
13:25
ISP
12:31
23h 06m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Mon 25 May 2015 Return: Tue 2 Jun 2015 Trip spans 9 days
£612
Select
US Airways
US Airways
LHR
04:20
ISP
22:24
18h 04m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Thu 28 May 2015 Return: Tue 2 Jun 2015 Trip spans 6 days
£612
Select
US Airways
US Airways
LHR
06:15
ISP
22:24
16h 09m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Sat 9 May 2015 Return: Tue 2 Jun 2015 Trip spans 25 days
£620
Select
US Airways
US Airways
LHR
02:55
ISP
19:49
16h 54m
2 stops
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Sun 3 May 2015 Return: Mon 8 Jun 2015 Trip spans 37 days
£624
Select
US Airways
US Airways
LHR
03:30
ISP
22:24
18h 54m
2 stops
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Sun 14 Jun 2015 Return: Tue 23 Jun 2015 Trip spans 10 days
£624
Select
US Airways
US Airways
LHR
03:30
ISP
19:15
15h 45m
2 stops
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Fri 8 May 2015 Return: Tue 9 Jun 2015 Trip spans 33 days
£625
Select
US Airways
US Airways
LHR
04:20
ISP
15:20
11h 00m
1 stop
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Sun 10 May 2015 Return: Tue 9 Jun 2015 Trip spans 31 days
£625
Select
US Airways
US Airways
LHR
04:20
ISP
15:20
11h 00m
1 stop
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Sun 24 May 2015 Return: Tue 2 Jun 2015 Trip spans 10 days
£626
Select
US Airways
US Airways
LHR
04:20
ISP
15:20
11h 00m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Thu 18 Jun 2015 Return: Mon 13 Jul 2015 Trip spans 26 days
£629
Select
US Airways
US Airways
LHR
03:30
ISP
19:15
15h 45m
2 stops
ISP
04:05
LHR
00:00
19h 55m
1 stop
Depart: Fri 12 Jun 2015 Return: Tue 23 Jun 2015 Trip spans 12 days
£631
Select
US Airways
US Airways
LHR
04:20
ISP
19:15
14h 55m
1 stop
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Mon 21 Sep 2015 Return: Sun 27 Sep 2015 Trip spans 7 days
£680
Select
US Airways
US Airways
GLA
06:20
ISP
22:14
15h 54m
1 stop
ISP
07:48
GLA
04:15
20h 27m
2 stops
Depart: Thu 9 Apr 2015 Return: Tue 21 Apr 2015 Trip spans 13 days
£680
Select
US Airways
US Airways
MAN
07:00
ISP
22:24
15h 24m
1 stop
ISP
07:56
MAN
06:05
22h 09m
2 stops
Depart: Thu 2 Apr 2015 Return: Mon 6 Apr 2015 Trip spans 5 days
£789
Select
American Airlines
American Airlines
GLA
02:40
ISP
12:31
33h 51m
2 stops
ISP
03:40
GLA
05:35
25h 55m
2 stops
Depart: Thu 9 Jul 2015 Return: Mon 17 Aug 2015 Trip spans 40 days
£1051
Select
US Airways
US Airways
LGW
03:15
ISP
22:14
18h 59m
2 stops
ISP
09:53
LGW
01:50
15h 57m
2 stops
Airports
Origin

London
only £597
only £1051
Manchester
£680
Glasgow
£680
Destination

Islip
£597