Find Deals on 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: Thu Mar 30 2017 Return: Tue Apr 4 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
2:10a
STL
7:36a
5h 26m
1 stop
STL
7:25a
ISP
12:19p
4h 54m
1 stop
Depart: Fri Mar 31 2017 Return: Wed Apr 5 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
2:10a
STL
7:36a
5h 26m
1 stop
STL
7:25a
ISP
12:19p
4h 54m
1 stop
Depart: Fri Jul 7 2017 Return: Mon Jul 10 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:10a
STL
9:13a
7h 03m
1 stop
STL
10:07a
ISP
4:55p
6h 48m
1 stop
Depart: Sat May 6 2017 Return: Tue May 9 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
4:30a
STL
2:38p
10h 08m
2 stops
STL
7:25a
ISP
12:20p
4h 55m
1 stop
Depart: Fri Mar 24 2017 Return: Sun Mar 26 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
2:10a
STL
7:36a
5h 26m
1 stop
STL
7:30a
ISP
12:15p
4h 45m
1 stop
Depart: Tue Mar 7 2017 Return: Wed Mar 8 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:10a
STL
6:36a
5h 26m
1 stop
STL
8:55a
ISP
3:58p
7h 03m
1 stop
Depart: Sat Mar 4 2017 Return: Sun Mar 5 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:10a
STL
6:33a
5h 23m
1 stop
STL
6:30a
ISP
11:15a
4h 45m
1 stop
Depart: Thu Apr 20 2017 Return: Mon Apr 24 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:10a
STL
4:07p
6h 57m
1 stop
STL
7:25a
ISP
5:01p
9h 36m
1 stop
Depart: Wed Mar 1 2017 Return: Sat Mar 4 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
1:10a
STL
6:33a
5h 23m
1 stop
STL
1:50a
ISP
6:30a
4h 40m
1 stop
Depart: Thu Mar 2 2017 Return: Sun Mar 5 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
1:10a
STL
6:33a
5h 23m
1 stop
STL
6:30a
ISP
11:15a
4h 45m
1 stop
Depart: Fri Mar 3 2017 Return: Sun Mar 5 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
1:10a
STL
6:33a
5h 23m
1 stop
STL
6:30a
ISP
11:15a
4h 45m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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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
$347
Destination

St. Louis
$347