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Find Deals on Flights 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: Sat 13 Jun 2015 Return: Mon 22 Jun 2015 Trip spans 10 days
£637
Select
American Airlines
American Airlines
LHR
03:30
ISP
19:50
16h 20m
2 stops
ISP
14:42
LHR
13:10
22h 28m
1 stop
Depart: Thu 11 Jun 2015 Return: Thu 25 Jun 2015 Trip spans 15 days
£663
Select
American Airlines
American Airlines
LHR
08:45
ISP
22:25
13h 40m
1 stop
ISP
10:47
LHR
00:00
13h 13m
1 stop
Depart: Fri 5 Jun 2015 Return: Sun 14 Jun 2015 Trip spans 10 days
£669
Select
American Airlines
American Airlines
LHR
04:20
ISP
19:15
14h 55m
1 stop
ISP
14:42
LHR
13:10
22h 28m
1 stop
Depart: Mon 2 Nov 2015 Return: Mon 16 Nov 2015 Trip spans 15 days
£682
Select
American Airlines
American Airlines
LHR
14:15
ISP
08:42
18h 27m
2 stops
ISP
08:53
LHR
20:40
11h 47m
1 stop
Depart: Mon 7 Sep 2015 Return: Mon 21 Sep 2015 Trip spans 15 days
£718
Select
American Airlines
American Airlines
GLA
06:55
ISP
12:23
29h 28m
2 stops
ISP
05:10
GLA
02:25
21h 15m
2 stops
Depart: Mon 16 Nov 2015 Return: Sun 22 Nov 2015 Trip spans 7 days
£724
Select
American Airlines
American Airlines
LHR
08:15
ISP
21:14
12h 59m
1 stop
ISP
08:53
LHR
20:40
11h 47m
1 stop
Depart: Thu 8 Oct 2015 Return: Mon 12 Oct 2015 Trip spans 5 days
£735
Select
American Airlines
American Airlines
MAN
07:00
ISP
22:14
15h 14m
1 stop
ISP
09:53
MAN
23:50
13h 57m
1 stop
Depart: Tue 8 Sep 2015 Return: Mon 21 Sep 2015 Trip spans 14 days
£739
Select
American Airlines
American Airlines
GLA
06:55
ISP
12:23
29h 28m
2 stops
ISP
05:10
GLA
05:35
24h 25m
2 stops
Depart: Wed 9 Sep 2015 Return: Mon 21 Sep 2015 Trip spans 13 days
£739
Select
American Airlines
American Airlines
GLA
02:55
ISP
12:23
33h 28m
2 stops
ISP
05:10
GLA
02:25
21h 15m
2 stops
Depart: Thu 27 Aug 2015 Return: Wed 9 Sep 2015 Trip spans 14 days
£762
Select
American Airlines
American Airlines
LHR
06:15
ISP
19:25
13h 10m
1 stop
ISP
07:48
LHR
00:00
16h 12m
1 stop
Depart: Mon 31 Aug 2015 Return: Wed 9 Sep 2015 Trip spans 10 days
£762
Select
American Airlines
American Airlines
LHR
08:45
ISP
19:25
10h 40m
1 stop
ISP
07:48
LHR
00:00
16h 12m
1 stop
Depart: Tue 1 Sep 2015 Return: Wed 9 Sep 2015 Trip spans 9 days
£762
Select
American Airlines
American Airlines
LHR
08:45
ISP
19:25
10h 40m
1 stop
ISP
07:48
LHR
00:00
16h 12m
1 stop
Depart: Wed 26 Aug 2015 Return: Wed 9 Sep 2015 Trip spans 15 days
£770
Select
American Airlines
American Airlines
LHR
04:55
ISP
19:25
14h 30m
2 stops
ISP
07:48
LHR
00:00
16h 12m
1 stop
Depart: Fri 28 Aug 2015 Return: Wed 9 Sep 2015 Trip spans 13 days
£790
Select
American Airlines
American Airlines
LHR
04:55
ISP
19:25
14h 30m
2 stops
ISP
07:48
LHR
00:00
16h 12m
1 stop
Depart: Fri 12 Jun 2015 Return: Fri 19 Jun 2015 Trip spans 8 days
£796
Select
American Airlines
American Airlines
MAN
05:30
ISP
15:22
33h 52m
2 stops
ISP
03:35
MAN
23:50
20h 15m
1 stop
Depart: Sat 20 Jun 2015 Return: Fri 3 Jul 2015 Trip spans 14 days
£796
Select
American Airlines
American Airlines
LHR
04:20
ISP
15:22
11h 02m
1 stop
ISP
14:42
LHR
00:00
9h 18m
1 stop
Depart: Thu 4 Jun 2015 Return: Mon 8 Jun 2015 Trip spans 5 days
£805
Select
American Airlines
American Airlines
MAN
07:00
ISP
19:15
12h 15m
1 stop
ISP
14:42
MAN
23:50
9h 08m
1 stop
Depart: Tue 2 Jun 2015 Return: Wed 10 Jun 2015 Trip spans 9 days
£806
Select
American Airlines
American Airlines
BHX
05:00
ISP
12:23
31h 23m
3 stops
ISP
03:35
BHX
21:55
18h 20m
3 stops
Depart: Sat 29 Aug 2015 Return: Sun 13 Sep 2015 Trip spans 16 days
£822
Select
American Airlines
American Airlines
LHR
13:25
ISP
12:27
23h 02m
1 stop
ISP
04:05
LHR
21:20
17h 15m
1 stop
Depart: Tue 13 Oct 2015 Return: Sat 24 Oct 2015 Trip spans 12 days
£825
Select
American Airlines
American Airlines
LHR
08:45
ISP
22:14
13h 29m
1 stop
ISP
09:53
LHR
23:35
13h 42m
2 stops
Airports
Origin

London
£637
Manchester
£735
Glasgow
£718
Birmingham
£806
Destination

Islip
£637