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Find Flight Deals from Washington to St Louis Lambert-St Louis (WAS - STL)

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

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

(Round-trip)
Depart: Sat Feb 7 2015 Return: Mon Feb 9 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
3:30a
STL
5:48a
2h 18m
nonstop
STL
1:30p
DCA
3:24p
1h 54m
nonstop
Depart: Sat Feb 14 2015 Return: Wed Feb 18 2015 Trip spans 5 days
United
United
IAD
12:09p
STL
2:35p
2h 26m
nonstop
STL
8:54a
IAD
10:50a
1h 56m
nonstop
Depart: Mon Feb 9 2015 Return: Sat Feb 14 2015 Trip spans 6 days
American Airlines
American Airlines
DCA
8:59a
STL
11:18a
2h 19m
nonstop
STL
5:28a
DCA
7:20a
1h 52m
nonstop
Depart: Tue Feb 10 2015 Return: Sat Feb 14 2015 Trip spans 5 days
American Airlines
American Airlines
DCA
3:30a
STL
5:48a
2h 18m
nonstop
STL
5:28a
DCA
7:20a
1h 52m
nonstop
Depart: Mon Feb 16 2015 Return: Tue Feb 17 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
3:30a
STL
5:48a
2h 18m
nonstop
STL
1:25p
DCA
3:19p
1h 54m
nonstop
Depart: Tue Feb 17 2015 Return: Wed Feb 18 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
3:30a
STL
5:48a
2h 18m
nonstop
STL
5:28a
DCA
7:20a
1h 52m
nonstop
Depart: Wed Feb 18 2015 Return: Fri Feb 20 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
3:30a
STL
5:48a
2h 18m
nonstop
STL
11:05a
DCA
1:00p
1h 55m
nonstop
Depart: Thu Feb 19 2015 Return: Fri Feb 20 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
8:59a
STL
11:18a
2h 19m
nonstop
STL
1:25p
DCA
3:19p
1h 54m
nonstop
Depart: Fri Feb 20 2015 Return: Mon Feb 23 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
3:30a
STL
5:48a
2h 18m
nonstop
STL
1:25p
DCA
3:19p
1h 54m
nonstop
Depart: Sat Feb 21 2015 Return: Mon Feb 23 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
3:30a
STL
5:48a
2h 18m
nonstop
STL
1:25p
DCA
3:19p
1h 54m
nonstop
Depart: Mon Feb 23 2015 Return: Wed Feb 25 2015 Trip spans 3 days
American Airlines
American Airlines
DCA
8:59a
STL
11:18a
2h 19m
nonstop
STL
5:28a
DCA
7:20a
1h 52m
nonstop
Depart: Tue Feb 24 2015 Return: Wed Feb 25 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
3:30a
STL
5:48a
2h 18m
nonstop
STL
5:28a
DCA
7:20a
1h 52m
nonstop
Depart: Wed Feb 25 2015 Return: Mon Mar 2 2015 Trip spans 6 days
American Airlines
American Airlines
DCA
8:59a
STL
11:18a
2h 19m
nonstop
STL
1:25p
DCA
3:19p
1h 54m
nonstop
Depart: Wed Mar 18 2015 Return: Mon Mar 23 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
IAD
7:30a
STL
2:50p
7h 20m
1 stop
STL
10:23a
IAD
12:20p
1h 57m
nonstop
Depart: Fri May 1 2015 Return: Fri May 15 2015 Trip spans 15 days
United
United
DCA
2:00a
STL
5:35a
3h 35m
1 stop
STL
1:00a
DCA
5:47a
4h 47m
1 stop
Depart: Tue May 26 2015 Return: Tue Jun 2 2015 Trip spans 8 days
Delta
Delta
IAD
2:00a
STL
9:10a
7h 10m
1 stop
STL
12:30p
IAD
4:15p
3h 45m
1 stop
Depart: Sun Mar 15 2015 Return: Mon Mar 23 2015 Trip spans 9 days
Delta
Delta
DCA
2:00a
STL
6:32a
4h 32m
1 stop
STL
12:31p
DCA
6:06p
5h 35m
1 stop
Depart: Mon May 25 2015 Return: Thu May 28 2015 Trip spans 4 days
US Airways
US Airways
DCA
10:05a
STL
12:03p
1h 58m
nonstop
STL
1:59a
DCA
5:52a
3h 53m
1 stop
Depart: Thu Jun 11 2015 Return: Sat Jun 13 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
DCA
5:10a
STL
8:58a
3h 48m
1 stop
STL
11:55a
DCA
1:48p
1h 53m
nonstop
Depart: Tue Jul 28 2015 Return: Tue Aug 4 2015 Trip spans 8 days
American Airlines
American Airlines
IAD
12:15p
STL
5:56p
5h 41m
1 stop
STL
8:40a
IAD
12:28p
3h 48m
1 stop
Change your search
Direct flights WAS to STL on American Airlines
Flight # Depart DCA Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
4285 8:15 am 9:33 am Feb 1 - Feb 8
4285 8:30 am 9:48 am Jan 29 - Feb 13
4285 8:30 am 9:48 am Mar 8 - Mar 28
4285 8:30 am 9:48 am Feb 14 - Mar 7
4369 1:59 pm 3:18 pm Feb 1 - Feb 8
4369 1:59 pm 3:18 pm Mar 9 - Mar 27
4369 1:59 pm 3:18 pm Mar 8 - Mar 22
4369 1:59 pm 3:18 pm Jan 29 - Mar 6
4369 1:59 pm 3:18 pm Feb 15 - Mar 1
4356 4:25 pm 5:43 pm Mar 8 - Mar 27
4356 4:25 pm 5:43 pm Jan 29 - Mar 6
Airports
Origin

Washington
only $227
only $227
Destination

St Louis
$227