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

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 Islip Long Island to Lambert-St Louis

(Round-trip)
Depart: Tue Jun 20 2017 Return: Fri Jun 23 2017 Trip spans 4 days
Southwest
Southwest
ISP
2:00a
STL
6:05a
4h 05m
1 stop
STL
3:35p
ISP
7:25p
3h 50m
1 stop
Depart: Wed Jul 19 2017 Return: Sun Jul 23 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
2:09a
STL
7:46a
5h 37m
1 stop
STL
2:50a
ISP
7:40a
4h 50m
1 stop
Depart: Thu Jul 20 2017 Return: Mon Jul 24 2017 Trip spans 5 days
Southwest
Southwest
ISP
9:00a
STL
1:15p
4h 15m
1 stop
STL
3:35p
ISP
7:25p
3h 50m
1 stop
Depart: Fri Jun 16 2017 Return: Tue Jun 20 2017 Trip spans 5 days
Southwest
Southwest
ISP
9:00a
STL
4:05p
7h 05m
2 stops
STL
3:35p
ISP
7:25p
3h 50m
1 stop
Depart: Fri Jun 2 2017 Return: Wed Jun 7 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
1:55p
STL
6:32p
4h 37m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Sat Jun 3 2017 Return: Wed Jun 7 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
2:09a
STL
7:45a
5h 36m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Mon Jun 5 2017 Return: Wed Jun 7 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
1:55p
STL
6:32p
4h 37m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Thu Jul 6 2017 Return: Sun Jul 9 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:09a
STL
7:46a
5h 37m
1 stop
STL
1:00a
ISP
7:40a
6h 40m
2 stops
Depart: Thu Jun 1 2017 Return: Wed Jun 7 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
1:55p
STL
6:27p
4h 32m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Fri Jul 21 2017 Return: Tue Jul 25 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
1:55p
STL
6:30p
4h 35m
1 stop
STL
7:25a
ISP
12:22p
4h 57m
1 stop
Depart: Tue Jun 27 2017 Return: Tue Jul 4 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
1:55p
STL
6:32p
4h 37m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Tue May 30 2017 Return: Wed Jun 7 2017 Trip spans 9 days
American Airlines
American Airlines
ISP
1:55p
STL
6:27p
4h 32m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Wed May 31 2017 Return: Wed Jun 7 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
1:55p
STL
6:27p
4h 32m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Sun Jun 4 2017 Return: Wed Jun 7 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:09a
STL
7:45a
5h 36m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Thu Jul 13 2017 Return: Sun Jul 16 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:09a
STL
7:46a
5h 37m
1 stop
STL
1:00a
ISP
7:40a
6h 40m
2 stops
Depart: Sat May 27 2017 Return: Thu Jun 1 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
4:30a
STL
9:19a
4h 49m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Sun Jul 2 2017 Return: Tue Jul 4 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
4:40a
STL
9:18a
4h 38m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Thu Jun 29 2017 Return: Tue Jul 4 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
1:55p
STL
6:32p
4h 37m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Fri Jun 30 2017 Return: Wed Jul 5 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
1:55p
STL
10:32p
8h 37m
2 stops
STL
2:50a
ISP
7:40a
4h 50m
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

Islip
$437
Destination

St. Louis
$437