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Find Flight Deals from United States to Islip Long Island

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights to Islip Long Island

(Round-trip)
Depart: Sat Feb 7 2015 Return: Sun Feb 8 2015 Trip spans 2 days
US Airways
US Airways
DCA
1:00a
ISP
5:28a
4h 28m
1 stop
ISP
2:30a
DCA
6:18a
3h 48m
1 stop
Depart: Mon Feb 9 2015 Return: Tue Feb 10 2015 Trip spans 2 days
US Airways
US Airways
HOU
1:20a
ISP
8:27a
7h 07m
1 stop
ISP
9:50a
HOU
5:17p
7h 27m
1 stop
Depart: Sun Feb 15 2015 Return: Fri Feb 20 2015 Trip spans 6 days
US Airways
US Airways
CLT
2:25a
ISP
6:20a
3h 55m
1 stop
ISP
9:47a
CLT
4:16p
6h 29m
1 stop
Depart: Thu Feb 19 2015 Return: Fri Feb 20 2015 Trip spans 2 days
US Airways
US Airways
BWI
5:40a
ISP
9:27a
3h 47m
1 stop
ISP
6:40a
BWI
9:04a
2h 24m
1 stop
Depart: Mon Mar 9 2015 Return: Mon Mar 16 2015 Trip spans 8 days
US Airways
US Airways
CHS
6:10a
ISP
10:27a
4h 17m
1 stop
ISP
3:40a
CHS
8:06a
4h 26m
1 stop
Depart: Wed Feb 18 2015 Return: Sat Feb 21 2015 Trip spans 4 days
US Airways
US Airways
RDU
12:19a
ISP
6:20a
6h 01m
1 stop
ISP
5:50a
RDU
12:19p
6h 29m
1 stop
Depart: Sun Mar 1 2015 Return: Tue Mar 3 2015 Trip spans 3 days
US Airways
US Airways
PHF
12:30a
ISP
6:20a
5h 50m
1 stop
ISP
2:30a
PHF
5:48a
3h 18m
1 stop
Depart: Tue Mar 3 2015 Return: Wed Mar 11 2015 Trip spans 8 days
US Airways
US Airways
ORF
4:25a
ISP
9:27a
5h 02m
1 stop
ISP
3:40a
ORF
7:02a
3h 22m
1 stop
Depart: Sat Mar 7 2015 Return: Sat Mar 14 2015 Trip spans 7 days
US Airways
US Airways
ORD
10:55a
ISP
3:22p
4h 27m
1 stop
ISP
6:50a
ORD
11:55a
5h 05m
1 stop
Depart: Sat Feb 28 2015 Return: Tue Mar 10 2015 Trip spans 10 days
US Airways
US Airways
MCO
1:30a
ISP
5:28a
3h 58m
1 stop
ISP
10:47a
MCO
4:46p
5h 59m
1 stop
Depart: Wed Apr 15 2015 Return: Mon Apr 27 2015 Trip spans 13 days
US Airways
US Airways
TPA
2:15a
ISP
7:31a
5h 16m
1 stop
ISP
3:40a
TPA
8:35a
4h 55m
1 stop
Depart: Thu Mar 12 2015 Return: Tue Mar 17 2015 Trip spans 6 days
US Airways
US Airways
PBI
2:25a
ISP
7:20a
4h 55m
1 stop
ISP
10:47a
PBI
7:56p
9h 09m
2 stops
Depart: Tue Feb 17 2015 Return: Sun Feb 22 2015 Trip spans 6 days
US Airways
US Airways
FLL
1:00a
ISP
6:20a
5h 20m
1 stop
ISP
9:47a
FLL
3:48p
6h 01m
1 stop
Depart: Wed Apr 1 2015 Return: Tue Apr 14 2015 Trip spans 14 days
US Airways
US Airways
CLE
3:25a
ISP
7:31a
4h 06m
1 stop
ISP
7:56a
CLE
11:18a
3h 22m
1 stop
Depart: Tue Apr 28 2015 Return: Wed May 6 2015 Trip spans 9 days
American Airlines
American Airlines
PIT
5:45a
ISP
10:27a
4h 42m
1 stop
ISP
7:56a
PIT
11:07a
3h 11m
1 stop
Depart: Wed Apr 22 2015 Return: Mon Apr 27 2015 Trip spans 6 days
US Airways
US Airways
DEN
2:55a
ISP
8:27a
5h 32m
1 stop
ISP
10:52a
DEN
6:58p
8h 06m
1 stop
Depart: Wed Apr 8 2015 Return: Fri Apr 10 2015 Trip spans 3 days
American Airlines
American Airlines
ATL
2:30a
ISP
7:31a
5h 01m
1 stop
ISP
10:52a
ATL
4:45p
5h 53m
1 stop
Depart: Sun Feb 8 2015 Return: Wed Feb 18 2015 Trip spans 11 days
US Airways
US Airways
BUF
2:00a
ISP
6:19a
4h 19m
1 stop
ISP
2:30a
BUF
5:53a
3h 23m
1 stop
Depart: Wed Feb 11 2015 Return: Tue Feb 17 2015 Trip spans 7 days
US Airways
US Airways
DFW
3:25a
ISP
8:27a
5h 02m
1 stop
ISP
6:40a
DFW
12:45p
6h 05m
1 stop
Depart: Tue May 5 2015 Return: Sat May 16 2015 Trip spans 12 days
American Airlines
American Airlines
DAY
2:05p
ISP
5:24p
3h 19m
1 stop
ISP
9:53a
DAY
1:37p
3h 44m
1 stop
Change your search
Airports
Origin

Charleston
$232
Charlotte
$230
Newport News
$242
Raleigh
$242
Chicago
$244
Fort Lauderdale
$261
Cleveland
$270
Dayton
$316
Washington
$224
West Palm Beach
$248
Baltimore
$230
Atlanta
$290
Orlando
$246
Denver
$282
Dallas
$295
Tampa
$246
Buffalo
$292
Houston
$228
Norfolk
$242
Pittsburgh
$270
Destination

Islip
$224