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: Sat May 20 2017 Return: Mon May 22 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
4:30a
STL
3:15p
10h 45m
2 stops
STL
10:39a
ISP
5:02p
6h 23m
2 stops
Depart: Thu May 4 2017 Return: Sun May 7 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:10a
STL
7:36a
5h 26m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Fri May 19 2017 Return: Mon May 22 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:10a
STL
10:58a
8h 48m
2 stops
STL
10:39a
ISP
5:02p
6h 23m
2 stops
Depart: Thu May 11 2017 Return: Sun May 14 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:10a
STL
7:38a
5h 28m
1 stop
STL
1:00a
ISP
7:41a
6h 41m
2 stops
Depart: Mon May 1 2017 Return: Sun May 14 2017 Trip spans 14 days
American Airlines
American Airlines
ISP
2:10a
STL
7:36a
5h 26m
1 stop
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Wed May 17 2017 Return: Sun May 21 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:07a
STL
5:55p
8h 48m
2 stops
STL
2:50a
ISP
7:41a
4h 51m
1 stop
Depart: Thu May 18 2017 Return: Sat May 20 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
2:10a
STL
7:38a
5h 28m
1 stop
STL
5:35a
ISP
5:02p
11h 27m
2 stops
* 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
$457
Destination

St. Louis
$457