Find Cheap Flights to Lambert-St Louis

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 Oct 17 2017 Return: Tue Oct 24 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
2:15a
STL
7:11a
4h 56m
1 stop
STL
12:10p
ISP
4:56p
4h 46m
1 stop
Depart: Wed Oct 18 2017 Return: Wed Oct 25 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
2:15a
STL
7:11a
4h 56m
1 stop
STL
12:10p
ISP
4:56p
4h 46m
1 stop
Depart: Sat Oct 14 2017 Return: Mon Oct 16 2017 Trip spans 3 days
American Airlines
American Airlines
ISP
2:15a
STL
7:11a
4h 56m
1 stop
STL
12:10p
ISP
4:56p
4h 46m
1 stop
Depart: Sun Oct 15 2017 Return: Mon Oct 16 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
2:15a
STL
7:11a
4h 56m
1 stop
STL
12:10p
ISP
4:56p
4h 46m
1 stop
Depart: Thu Oct 12 2017 Return: Mon Oct 16 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
2:15a
STL
7:11a
4h 56m
1 stop
STL
12:10p
ISP
4:56p
4h 46m
1 stop
Depart: Sat Nov 18 2017 Return: Thu Nov 23 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
1:10a
STL
6:05a
4h 55m
1 stop
STL
1:50a
ISP
6:30a
4h 40m
1 stop
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
2:09p
STL
6:46p
4h 37m
1 stop
STL
12:10p
ISP
5:08p
4h 58m
1 stop
Depart: Fri Oct 13 2017 Return: Mon Oct 16 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:15a
STL
7:11a
4h 56m
1 stop
STL
12:10p
ISP
4:56p
4h 46m
1 stop
Depart: Mon Nov 20 2017 Return: Thu Nov 23 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
1:20p
STL
5:44p
4h 24m
1 stop
STL
1:50a
ISP
6:30a
4h 40m
1 stop
Depart: Tue Aug 1 2017 Return: Wed Aug 2 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:55p
STL
6:30p
4h 35m
1 stop
STL
2:50a
ISP
7:40a
4h 50m
1 stop
Depart: Fri Nov 17 2017 Return: Thu Nov 23 2017 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
STL
5:44p
4h 24m
1 stop
STL
1:50a
ISP
6:30a
4h 40m
1 stop
Depart: Sun Nov 19 2017 Return: Thu Nov 23 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
1:20p
STL
5:44p
4h 24m
1 stop
STL
1:50a
ISP
6:30a
4h 40m
1 stop
Depart: Fri Jul 28 2017 Return: Wed Aug 2 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
1:55p
STL
6:30p
4h 35m
1 stop
STL
2:50a
ISP
7:40a
4h 50m
1 stop
Depart: Fri Aug 4 2017 Return: Sat Aug 5 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:55p
STL
6:30p
4h 35m
1 stop
STL
2:50a
ISP
7:40a
4h 50m
1 stop
Depart: Wed Aug 2 2017 Return: Sat Aug 5 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
1:55p
STL
6:30p
4h 35m
1 stop
STL
2:50a
ISP
7:40a
4h 50m
1 stop
Depart: Tue Jul 25 2017 Return: Wed Jul 26 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:55p
STL
6:30p
4h 35m
1 stop
STL
2:50a
ISP
7:40a
4h 50m
1 stop
Depart: Wed Jul 26 2017 Return: Thu Jul 27 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
1:55p
STL
6:30p
4h 35m
1 stop
STL
2:50a
ISP
7:40a
4h 50m
1 stop
Depart: Tue Aug 15 2017 Return: Sat Aug 19 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 Aug 3 2017 Return: Sun Aug 6 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
2:09a
STL
10:11a
8h 02m
2 stops
STL
1:00a
ISP
7:40a
6h 40m
2 stops
Depart: Mon Oct 16 2017 Return: Tue Oct 17 2017 Trip spans 2 days
American Airlines
American Airlines
ISP
2:15a
STL
7:11a
4h 56m
1 stop
STL
2:50a
ISP
7:36a
4h 46m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
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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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
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
$282
Destination

St. Louis
$282