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Find Flight Deals from Baltimore/Washington to Lambert-St Louis (BWI - STL)

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

Book cheap flights from Baltimore/Washington to Lambert-St Louis

(Round-trip)
Depart: Wed Apr 15 2015 Return: Mon Apr 20 2015 Trip spans 6 days
Delta
Delta
BWI
1:45p
STL
7:41p
5h 56m
1 stop
STL
12:31p
BWI
6:27p
5h 56m
1 stop
Depart: Tue May 5 2015 Return: Mon May 11 2015 Trip spans 7 days
Delta
Delta
BWI
3:00a
STL
6:52a
3h 52m
1 stop
STL
12:30p
BWI
4:09p
3h 39m
1 stop
Depart: Wed May 6 2015 Return: Mon May 11 2015 Trip spans 6 days
Delta
Delta
BWI
3:00a
STL
6:52a
3h 52m
1 stop
STL
12:30p
BWI
4:09p
3h 39m
1 stop
Depart: Thu May 7 2015 Return: Tue May 12 2015 Trip spans 6 days
Delta
Delta
BWI
2:15a
STL
6:39a
4h 24m
1 stop
STL
1:00p
BWI
4:30p
3h 30m
1 stop
Depart: Wed May 13 2015 Return: Wed May 20 2015 Trip spans 8 days
Delta
Delta
BWI
2:15a
STL
6:39a
4h 24m
1 stop
STL
6:20a
BWI
10:33a
4h 13m
1 stop
Depart: Thu May 14 2015 Return: Mon May 18 2015 Trip spans 5 days
Delta
Delta
BWI
2:15a
STL
7:50a
5h 35m
1 stop
STL
2:30p
BWI
6:47p
4h 17m
1 stop
Depart: Wed Apr 1 2015 Return: Tue Apr 14 2015 Trip spans 14 days
United
United
BWI
2:35a
STL
7:29a
4h 54m
1 stop
STL
7:28a
BWI
11:39a
4h 11m
1 stop
Depart: Sat Apr 25 2015 Return: Tue Apr 28 2015 Trip spans 4 days
Delta
Delta
BWI
2:07a
STL
6:36a
4h 29m
1 stop
STL
11:38a
BWI
3:53p
4h 15m
1 stop
Depart: Fri May 8 2015 Return: Mon May 11 2015 Trip spans 4 days
Delta
Delta
BWI
2:15a
STL
6:39a
4h 24m
1 stop
STL
2:30p
BWI
6:47p
4h 17m
1 stop
Depart: Sat May 9 2015 Return: Mon May 11 2015 Trip spans 3 days
Delta
Delta
BWI
9:45a
STL
2:50p
5h 05m
1 stop
STL
12:30p
BWI
4:09p
3h 39m
1 stop
Depart: Sat May 16 2015 Return: Tue May 19 2015 Trip spans 4 days
Delta
Delta
BWI
4:45a
STL
9:17a
4h 32m
1 stop
STL
6:20a
BWI
10:33a
4h 13m
1 stop
Depart: Thu Apr 9 2015 Return: Tue Apr 14 2015 Trip spans 6 days
Delta
Delta
BWI
3:00a
STL
6:46a
3h 46m
1 stop
STL
1:00p
BWI
4:29p
3h 29m
1 stop
Depart: Tue Mar 31 2015 Return: Tue Apr 14 2015 Trip spans 15 days
United
United
BWI
1:09p
STL
5:24p
4h 15m
1 stop
STL
7:28a
BWI
11:39a
4h 11m
1 stop
Depart: Thu Apr 2 2015 Return: Tue Apr 14 2015 Trip spans 13 days
United
United
BWI
2:35a
STL
7:29a
4h 54m
1 stop
STL
7:28a
BWI
11:39a
4h 11m
1 stop
Depart: Thu Apr 16 2015 Return: Sun Apr 19 2015 Trip spans 4 days
Delta
Delta
BWI
4:10p
STL
8:36p
4h 26m
1 stop
STL
2:26p
BWI
6:27p
4h 01m
1 stop
Depart: Fri May 15 2015 Return: Mon May 18 2015 Trip spans 4 days
Delta
Delta
BWI
8:30a
STL
1:13p
4h 43m
1 stop
STL
2:30p
BWI
6:47p
4h 17m
1 stop
Depart: Tue May 12 2015 Return: Wed May 13 2015 Trip spans 2 days
US Airways
US Airways
BWI
1:15a
STL
5:27a
4h 12m
1 stop
STL
5:20a
BWI
9:30a
4h 10m
1 stop
Depart: Wed May 27 2015 Return: Tue Jun 2 2015 Trip spans 7 days
American Airlines
American Airlines
BWI
1:15a
STL
5:27a
4h 12m
1 stop
STL
5:20a
BWI
9:30a
4h 10m
1 stop
Depart: Fri May 29 2015 Return: Tue Jun 2 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
BWI
4:05a
STL
9:10a
5h 05m
1 stop
STL
1:59a
BWI
6:15a
4h 16m
1 stop
Depart: Fri Apr 17 2015 Return: Sun Apr 19 2015 Trip spans 3 days
Delta
Delta
BWI
3:00a
STL
6:46a
3h 46m
1 stop
STL
2:35a
BWI
6:59a
4h 24m
1 stop
Change your search
Select an airline:  Southwest
Direct flights BWI to STL on Southwest
Flight # Depart BWI Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
1658 6:15 am 7:35 am Apr 7 - Apr 7
673 6:15 am 7:35 am Mar 16 - Mar 20
673 6:15 am 7:35 am Mar 9 - Mar 13
673 6:15 am 7:35 am Mar 23 - Apr 6
4166 7:45 am 9:05 am Mar 29 - Apr 5
4166 7:50 am 9:10 am Mar 8 - Mar 22
2455 8:30 am 9:50 am Mar 14 - Apr 4
459 8:30 am 9:50 am Mar 7 - Mar 7
3153 11:35 am 12:50 pm Apr 7 - Apr 7
3946 11:35 am 12:50 pm Mar 9 - Apr 6
4160 1:10 pm 2:25 pm Mar 8 - Apr 5
1587 3:50 pm 5:05 pm Mar 7 - Mar 7
2451 3:50 pm 5:05 pm Mar 14 - Apr 4
1349 4:35 pm 5:55 pm Apr 7 - Apr 7
432 4:35 pm 5:55 pm Mar 9 - Mar 13
432 4:35 pm 5:55 pm Mar 16 - Mar 20
432 4:35 pm 5:55 pm Apr 6 - Apr 6
432 4:35 pm 5:55 pm Mar 23 - Apr 3
4157 4:45 pm 6:05 pm Mar 8 - Apr 5
418 8:30 pm 9:50 pm Mar 14 - Apr 4
425 8:30 pm 9:50 pm Mar 7 - Mar 7
2272 9:55 pm 11:10 pm Mar 16 - Apr 6
2272 9:55 pm 11:10 pm Mar 8 - Mar 15
Airports
Origin

Baltimore
$184
Destination

St Louis
$184