Find Cheap Flights from Lambert-St Louis to Islip Long Island (STL - ISP)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Lambert-St Louis to Islip Long Island

(Round-trip)
Depart: Thu Aug 31 2017 Return: Sun Sep 3 2017 Trip spans 4 days
American Airlines
American Airlines
STL
1:02a
ISP
7:30a
6h 28m
2 stops
ISP
2:10a
STL
7:05a
4h 55m
1 stop
Depart: Sun Sep 17 2017 Return: Tue Sep 26 2017 Trip spans 10 days
American Airlines
American Airlines
STL
2:50a
ISP
7:30a
4h 40m
1 stop
ISP
2:10a
STL
7:05a
4h 55m
1 stop
Depart: Fri May 5 2017 Return: Mon May 8 2017 Trip spans 4 days
American Airlines
American Airlines
STL
3:30a
ISP
12:20p
8h 50m
2 stops
ISP
1:55p
STL
6:27p
4h 32m
1 stop
Depart: Sat May 27 2017 Return: Mon Jun 5 2017 Trip spans 10 days
American Airlines
American Airlines
STL
2:50a
ISP
7:41a
4h 51m
1 stop
ISP
1:55p
STL
6:32p
4h 37m
1 stop
Depart: Fri Jun 23 2017 Return: Tue Jun 27 2017 Trip spans 5 days
American Airlines
American Airlines
STL
1:00a
ISP
7:41a
6h 41m
2 stops
ISP
2:09a
STL
7:47a
5h 38m
1 stop
Depart: Mon May 1 2017 Return: Wed May 3 2017 Trip spans 3 days
American Airlines
American Airlines
STL
7:25a
ISP
12:19p
4h 54m
1 stop
ISP
2:10a
STL
7:36a
5h 26m
1 stop
Depart: Wed Jul 12 2017 Return: Sat Aug 12 2017 Trip spans 32 days
American Airlines
American Airlines
STL
2:50a
ISP
7:40a
4h 50m
1 stop
ISP
2:09a
STL
7:43a
5h 34m
1 stop
Depart: Thu Apr 27 2017 Return: Sun Apr 30 2017 Trip spans 4 days
American Airlines
American Airlines
STL
7:25a
ISP
12:19p
4h 54m
1 stop
ISP
2:10a
STL
7:36a
5h 26m
1 stop
Depart: Mon Jul 10 2017 Return: Sat Aug 12 2017 Trip spans 34 days
American Airlines
American Airlines
STL
2:50a
ISP
7:40a
4h 50m
1 stop
ISP
2:09a
STL
7:43a
5h 34m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

St. Louis
$416
Destination

Islip
$416