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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: Tue 2 Jun 2015 Return: Wed 17 Jun 2015 Trip spans 16 days
£608
Select
US Airways
US Airways
LHR
04:20
ISP
15:20
11h 00m
1 stop
ISP
07:52
LHR
00:00
16h 08m
1 stop
Depart: Wed 20 May 2015 Return: Tue 26 May 2015 Trip spans 7 days
£614
Select
American Airlines
American Airlines
LHR
04:20
ISP
15:20
11h 00m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Mon 1 Jun 2015 Return: Mon 15 Jun 2015 Trip spans 15 days
£614
Select
American Airlines
American Airlines
LHR
13:25
ISP
12:23
22h 58m
1 stop
ISP
14:42
LHR
01:00
10h 18m
1 stop
Depart: Sun 3 May 2015 Return: Mon 11 May 2015 Trip spans 9 days
£628
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: Mon 15 Jun 2015 Return: Sun 28 Jun 2015 Trip spans 14 days
£632
Select
US Airways
US Airways
LHR
04:20
ISP
15:22
11h 02m
1 stop
ISP
07:52
LHR
00:00
16h 08m
1 stop
Depart: Wed 3 Jun 2015 Return: Sat 13 Jun 2015 Trip spans 11 days
£634
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: Sat 9 May 2015 Return: Sat 23 May 2015 Trip spans 15 days
£649
Select
American Airlines
American Airlines
LHR
06:15
ISP
19:49
13h 34m
1 stop
ISP
11:15
LHR
00:00
12h 45m
1 stop
Depart: Fri 12 Jun 2015 Return: Sun 28 Jun 2015 Trip spans 17 days
£652
Select
US Airways
US Airways
LHR
04:20
ISP
19:15
14h 55m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Sat 20 Jun 2015 Return: Mon 29 Jun 2015 Trip spans 10 days
£652
Select
US Airways
US Airways
LHR
04:20
ISP
15:22
11h 02m
1 stop
ISP
07:52
LHR
00:00
16h 08m
1 stop
Depart: Fri 19 Jun 2015 Return: Mon 20 Jul 2015 Trip spans 32 days
£659
Select
US Airways
US Airways
LHR
04:20
ISP
22:21
18h 01m
1 stop
ISP
07:48
LHR
00:00
16h 12m
1 stop
Depart: Sun 21 Jun 2015 Return: Mon 29 Jun 2015 Trip spans 9 days
£659
Select
US Airways
US Airways
LHR
04:20
ISP
15:22
11h 02m
1 stop
ISP
07:52
LHR
00:00
16h 08m
1 stop
Depart: Fri 1 May 2015 Return: Mon 11 May 2015 Trip spans 11 days
£667
Select
US Airways
US Airways
LHR
06:15
ISP
21:47
15h 32m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Sat 2 May 2015 Return: Mon 11 May 2015 Trip spans 10 days
£667
Select
US Airways
US Airways
LHR
04:20
ISP
21:47
17h 27m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Mon 21 Sep 2015 Return: Sun 27 Sep 2015 Trip spans 7 days
£682
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: Tue 22 Sep 2015 Return: Sun 27 Sep 2015 Trip spans 6 days
£682
Select
US Airways
US Airways
GLA
06:20
ISP
22:14
15h 54m
1 stop
ISP
05:10
GLA
04:15
23h 05m
2 stops
Depart: Wed 23 Sep 2015 Return: Sun 27 Sep 2015 Trip spans 5 days
£682
Select
US Airways
US Airways
GLA
06:20
ISP
22:14
15h 54m
1 stop
ISP
09:53
GLA
04:15
18h 22m
2 stops
Depart: Mon 8 Jun 2015 Return: Wed 17 Jun 2015 Trip spans 10 days
£685
Select
US Airways
US Airways
MAN
07:00
ISP
19:15
12h 15m
1 stop
ISP
14:42
MAN
03:55
13h 13m
2 stops
Depart: Mon 14 Sep 2015 Return: Mon 28 Sep 2015 Trip spans 15 days
£711
Select
US Airways
US Airways
LGW
03:15
ISP
22:14
18h 59m
2 stops
ISP
09:53
LGW
02:05
16h 12m
2 stops
Depart: Thu 21 May 2015 Return: Fri 29 May 2015 Trip spans 9 days
£734
Select
American Airlines
American Airlines
MAN
02:45
ISP
22:24
19h 39m
2 stops
ISP
10:47
MAN
23:50
13h 03m
1 stop
Depart: Thu 16 Jul 2015 Return: Thu 30 Jul 2015 Trip spans 15 days
£955
Select
American Airlines
American Airlines
GLA
06:20
ISP
22:14
15h 54m
1 stop
ISP
09:53
GLA
01:00
15h 07m
2 stops
Airports
Origin

London
only £608
only £711
Manchester
£685
Glasgow
£682
Destination

Islip
£608