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Find Deals on Flights from Boston Logan International to Lambert-St Louis (BOS - STL)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Boston Logan International to Lambert-St Louis

(Round-trip)
Depart: Wed Sep 30 2015 Return: Tue Oct 6 2015 Trip spans 7 days
United
United
BOS
5:15a
STL
10:40a
5h 25m
1 stop
STL
6:00a
BOS
10:46a
4h 46m
1 stop
Depart: Sat Oct 3 2015 Return: Wed Oct 7 2015 Trip spans 5 days
United
United
BOS
5:45a
STL
10:40a
4h 55m
1 stop
STL
1:00a
BOS
5:50a
4h 50m
1 stop
Depart: Wed Oct 7 2015 Return: Sat Oct 10 2015 Trip spans 4 days
United
United
BOS
5:51a
STL
2:58p
9h 07m
1 stop
STL
7:37a
BOS
7:19p
11h 42m
1 stop
Depart: Wed Oct 28 2015 Return: Wed Nov 4 2015 Trip spans 8 days
United
United
BOS
5:35a
STL
12:54p
7h 19m
1 stop
STL
4:54a
BOS
9:37a
4h 43m
1 stop
Depart: Wed Nov 11 2015 Return: Sat Nov 14 2015 Trip spans 4 days
United
United
BOS
8:00a
STL
5:58p
9h 58m
1 stop
STL
4:54a
BOS
11:05a
6h 11m
1 stop
Depart: Sun Sep 6 2015 Return: Tue Sep 15 2015 Trip spans 10 days
American Airlines
American Airlines
BOS
1:05p
STL
6:23p
5h 18m
1 stop
STL
1:05a
BOS
5:31a
4h 26m
1 stop
Depart: Tue Sep 8 2015 Return: Tue Sep 15 2015 Trip spans 8 days
US Airways
US Airways
BOS
7:10a
STL
12:30p
5h 20m
1 stop
STL
1:05a
BOS
5:31a
4h 26m
1 stop
Depart: Wed Sep 9 2015 Return: Fri Sep 11 2015 Trip spans 3 days
American Airlines
American Airlines
BOS
2:00a
STL
9:18a
7h 18m
1 stop
STL
2:10p
BOS
7:18p
5h 08m
1 stop
Depart: Thu Sep 10 2015 Return: Tue Sep 15 2015 Trip spans 6 days
American Airlines
American Airlines
BOS
8:45a
STL
4:21p
7h 36m
1 stop
STL
1:05a
BOS
5:31a
4h 26m
1 stop
Depart: Fri Sep 11 2015 Return: Tue Sep 15 2015 Trip spans 5 days
American Airlines
American Airlines
BOS
10:35a
STL
4:21p
5h 46m
1 stop
STL
1:05a
BOS
5:31a
4h 26m
1 stop
Depart: Sat Sep 12 2015 Return: Tue Sep 15 2015 Trip spans 4 days
American Airlines
American Airlines
BOS
2:00a
STL
9:06a
7h 06m
1 stop
STL
1:05a
BOS
5:31a
4h 26m
1 stop
Depart: Thu Oct 1 2015 Return: Tue Oct 6 2015 Trip spans 6 days
American Airlines
American Airlines
BOS
8:45a
STL
4:21p
7h 36m
1 stop
STL
3:20p
BOS
8:07p
4h 47m
1 stop
Depart: Fri Oct 2 2015 Return: Tue Oct 6 2015 Trip spans 5 days
US Airways
US Airways
BOS
7:05a
STL
12:36p
5h 31m
1 stop
STL
2:30a
BOS
7:02a
4h 32m
1 stop
Depart: Thu Nov 5 2015 Return: Wed Nov 11 2015 Trip spans 7 days
American Airlines
American Airlines
BOS
9:40a
STL
3:13p
5h 33m
1 stop
STL
1:35a
BOS
6:14a
4h 39m
1 stop
Depart: Tue Aug 11 2015 Return: Sat Aug 15 2015 Trip spans 5 days
United
United
BOS
5:12p
STL
5:01a
11h 49m
1 stop
STL
11:32a
BOS
6:13p
6h 41m
1 stop
Depart: Wed Sep 2 2015 Return: Thu Sep 10 2015 Trip spans 9 days
American Airlines
American Airlines
BOS
2:00a
STL
7:14a
5h 14m
1 stop
STL
3:10a
BOS
7:30a
4h 20m
1 stop
Depart: Thu Sep 3 2015 Return: Sat Sep 12 2015 Trip spans 10 days
United
United
BOS
1:45a
STL
6:36a
4h 51m
1 stop
STL
2:40p
BOS
7:35p
4h 55m
1 stop
Depart: Fri Sep 4 2015 Return: Sat Sep 12 2015 Trip spans 9 days
United
United
BOS
2:30a
STL
7:53a
5h 23m
1 stop
STL
2:40p
BOS
7:35p
4h 55m
1 stop
Depart: Sat Sep 5 2015 Return: Sat Sep 12 2015 Trip spans 8 days
United
United
BOS
1:45a
STL
6:32a
4h 47m
1 stop
STL
2:40p
BOS
7:35p
4h 55m
1 stop
Depart: Wed Jul 29 2015 Return: Thu Jul 30 2015 Trip spans 2 days
Delta
Delta
BOS
4:00a
STL
9:05a
5h 05m
1 stop
STL
8:50a
BOS
1:25p
4h 35m
1 stop
Select an airline:  Southwest
Direct flights BOS to STL on Southwest
Flight # Depart BOS Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
1501 6:35 am 8:40 am Jul 11 - Aug 8
267 6:45 am 8:50 am Aug 9 - Sep 4
1496 7:25 am 9:30 am Jun 28 - Aug 2
1496 7:25 am 9:30 am Jul 10 - Aug 7
1174 11:55 am 1:50 pm Jul 10 - Aug 7
3161 4:45 pm 6:50 pm Aug 8 - Aug 8
3161 4:45 pm 6:50 pm Jun 27 - Aug 1
166 6:25 pm 8:30 pm Aug 9 - Sep 4
200 7:10 pm 9:15 pm Jul 10 - Aug 7
Airports
Origin

Boston
$370
Destination

St Louis
$370